Injection systems and parts
More informationAt Global Parts, we offer a wide selection of original used car parts, including injection systems and parts for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each injection system and part we offer undergoes quality control to ensure you receive a top-quality product.
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In Stock
Price
Part no. 7798446
BMW E81 E87 LCI E90 E91 F20 F30 N47 RP Injector Fuel Jet Nozzle 7798446
€28.95
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 7805428-4
BMW E81 E87 LCI E90 E91 F10 Fuel Injector N47 N57 Diesel 7805428
Promo price
€75.95
€64.56
Free delivery: Jul 22 – 27
If paid before 14:00
Part no. A6510702387
Mercedes W176 W204 W212 W246 Diesel OM651 Fuel Injector A6510702387
€94.95
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 8506902-2
Mini One Cooper D R55 R56 R57 LCI R60 R61 Diesel N47N Fuel Injector 8506902
Promo price
€28.95
€24.61
Free delivery: Jul 22 – 27
If paid before 14:00
Part no. 03L130277
Audi A4 B8 A5 8T Q5 8R 2.0 TDI Diesel Fuel Injector 03L130277
€37.95
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. A6420701187
Mercedes-Benz ML E Class W164 W207 OM642 Fuel Injector A6420701187
Promo price
€42.95
€36.51
Free delivery: Jul 22 – 27
If paid before 14:00
Part no. 7809127
BMW E81 E87 LCI E90 Set Fuel Injection System Diesel N47 118d 318d
€398.95
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 7810702-2
BMW F10 F11 F20 F30 120d 320d 520d N47N 184HP Diesel Set Fuel Injection System
Promo price
€522.95
€444.51
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 7823461
BMW F10 F20 F30 F36 Fuel Injector 125d 325d 525d N47 Diesel 7823461
Promo price
€56.95
€48.41
Free delivery: Jul 22 – 27
If paid before 14:00
Part no. 7792721
BMW E60 E61 E65 X5 E70 X3 E83 E92 E93 Injector Diesel M57N2 7792721 0445115048
€94.95
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. A2660700895
Mercedes W169 W245 M266 Petrol Fuel Injector Rail Line A2660700595
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
Part no. 06F906036F
VW Golf MK6 Scirocco Audi A1 8X A3 8P Fuel Injector Injection Nozzle 06F906036F
€66.95
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 7805428-6
BMW E87 LCI E90 120d 320d Diesel N47 Set Injector Fuel Pump Injection System
Promo price
€664.95
€565.21
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 7797877
BMW E81 E87 LCI E90 E91 120d 320d 520d Diesel N47 Injector 7797877
Promo price
€32.95
€28.01
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. A6510702887
Fuel Injector Mercedes W204 W212 W221 W222 Diesel OM651 Common Rail A6510702887
Promo price
€47.95
€40.76
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 8577649
BMW F20 F21 F30 N47N Fuel Injection System Set 116d 118d 318d Diesel
Promo price
€360.95
€306.81
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. A6510700587
Fuel Injector Mercedes W204 C207 W212 W221 W639 W906 Diesel OM651 A6510700587
Promo price
€51.95
€44.16
Free delivery: Jul 22 – 27
If paid before 14:00
Part no. 7808089
BMW X3 E83 3.0sd X5 E70 3.0d E90 E91 335d M57N2 Injector Fuel Diesel 7808089
€132.95
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 8514146-5
BMW F20 F21 F30 F31 LCI Injection System Set Injector Fuel Pump 118d 318d B47
Promo price
€474.95
€403.71
Free delivery: Jul 22 – 27
If paid before 14:00
Part no. A6510703087
Mercedes Sprinter W906 Diesel OM651 Fuel Injector A6510703087
€66.95
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 7810702-4
BMW F20 F30 120d 320d N47N 184HP Diesel Set Fuel Injection System
Promo price
€569.95
€484.46
Free delivery: Jul 22 – 27
If paid before 14:00
-40%
Part no. 05L130277E
Audi Q2 GA 2.0 TDI DTTC Diesel Fuel Injector Rail Line 05L130277E
Promo price
€56.95
€34.17
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 7798446-6
BMW E81 E87 LCI 116d 118d E90 318d N47 Fuel Pump Injector Injection System Set
Promo price
€417.95
€355.26
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. H8201636333
Nissan Qashqai Fuel Injector 0445110800 H8201636333
Promo price
€47.95
€40.76
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 7809798
BMW 1 3 5 Series E81 E90 F10 F20 F30 N47 Clamping Jaw Fuel Injector Set of 4
Promo price
€28.95
€24.61
Free delivery: Jul 22 – 27
If paid before 14:00
-40%
Part no. 04L130277AE
Audi A5 8T Engine Fuel Injector Injection 04L130277AE
Promo price
€51.95
€31.17
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. A6420701387
Mercedes-Benz M-Class ML W164 OM642 Fuel Injector Injection Nozzle A6420701387
Promo price
€66.95
€56.91
Free delivery: Jul 22 – 27
If paid before 14:00
Part no. 7550387
BMW E81 E87 LCI E90 E91 N43 Fuel Tank Ventilation Valve With Pipe 7550387
€28.95
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 8577647-1
BMW X1 E84 18d 18dX Diesel N47 143HP Set Fuel Pump Injector Injection System
Promo price
€569.95
€484.46
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 7543286
Mini R55 R56 Fuel Injection Tank Breather Valve N12 N16 7543286
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 8596875
BMW F30 F31 F32 F33 High Pressure Fuel Line Pipe Tube N57 8596875
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
Part no. 7794435
BMW E60 E87 E90 Fuel Injector 118d 325d 525d M47N2 M57N2 7794435
€23.95
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 7562264-2
BMW Mini Cooper One R50 R52 W10 2 Petrol Injection Tube Fuel Rail 7562264
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 7792722
BMW E60 E61 E90 E91 Fuel Injector Clamp Flange Diesel M57N2 7792722
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 7805423-1
Fuel Rail BMW E90 E91 E92 LCI F30 F10 F01 N57 Diesel High Pressure 7800124
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 03L130089Q
Audi A4 B8 Q5 8R 2.0 TDI Diesel Fuel Rail Injection Rail Line 03L130089Q
Promo price
€80.95
€68.81
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 7810702-6
BMW F10 F11 520d N47N 184HP Diesel Fuel Pump Injector Injection System Set
Promo price
€569.95
€484.46
Free delivery: Jul 22 – 27
If paid before 14:00
Part no. 7787142
BMW X3 E46 E60 E87 E90 Intake Manifild Pressure Sensor 7787142
€23.95
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 0445110340
Peugeot 207 1.6 HDI Diesel Engine Fuel Injector Bosch 0445110340
Promo price
€28.95
€24.61
Free delivery: Jul 22 – 27
If paid before 14:00
Part no. 7787804
BMW E60 E87 E90 Pressure Hose Assy Injector Fuel System Diesel M47
€23.95
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 8506902-1
Mini One Cooper D R55 R56 R57 LCI R60 Diesel N47N Set Fuel Injection System
Promo price
€313.95
€266.86
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 8577650-1
BMW F20 F21 114d 116d ed N47N 116HP Set Injector Fuel Pump Injection System
Promo price
€237.95
€202.26
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. A6420700587
Fuel Injector Mercedes W164 W204 W211 OM642 Diesel Injection Nozzle A6420700587
Promo price
€56.95
€48.41
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. A6070700400
Fuel Injection Rail Mercedes W176 W246 OM607 High Pressure Fuel Rail A6070700400
Promo price
€42.95
€36.51
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 7787215
BMW 1 3 X3 Series E46 E60 E87 E90 E91 Diesel Engine Fuel Injector Clamp Flange
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 04L130277AD
Audi A3 8V A1 8X Fuel Injector Injection Diesel Engine 04L130277AD
Promo price
€47.95
€40.76
Free delivery: Jul 22 – 27
If paid before 14:00
-40%
Part no. 8577648-2
High Pressure Fuel Pump BMW E90 LCI F20 F21 F30 F31 F32 316d 318d N47N 7823452
Promo price
€66.95
€40.17
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 7804238
Pressure Hose BMW E60 E61 E65 E90 E91 M57N2 Assy Injector Fuel 7804238
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
-40%
Part no. 0445110546
Nissan Qashqai Renault Trafic III Fuel Injector Injection Nozzle 0445110546
Promo price
€56.95
€34.17
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 7528178-1
Mini R55 R56 R57 R60 Petrol Fuel Rail Injection Tube 7528178
Promo price
€28.95
€24.61
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 8577649-4
BMW F20 F21 N47N 116d 118d F30 318d Fuel Pump Injector Injection System Set
Promo price
€332.95
€283.01
Free delivery: Jul 22 – 27
If paid before 14:00
Part no. 7809127-1
BMW E81 E87 LCI E90 F20 F30 N47 Diesel Fuel Injector Rail 7809127
€28.95
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 7552890
BMW E81 E87 E88 E90 E91 Fuel Supply Hose Pipe Line 7552890
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 7528176
MINI Cooper One R55 R56 R57 R58 R59 R60 R61 Petrol Fuel Injector 7528176
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
Part no. 7562264
BMW Mini Cooper One R50 R52 W10 Petrol Injection Tube Fuel Rail Injectors
€28.95
Free delivery: Jul 22 – 27
If paid before 14:00
Part no. 7823461-3
Fuel Pump BMW F20 F30 F31 F32 125d N47S1 Injector Injection System Set 7823461
€759.95
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 9X2Q9K546DB
Land Rover Range Sport L320 3.0d Fuel Injector Injection Nozzle 9X2Q-9K546-DB
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
Part no. 7575646-1
BMW MINI Cooper One R55 R56 R57 R58 R59 R60 R61 Petrol Fuel Rail Injection Tube
€37.95
Free delivery: Jul 22 – 27
If paid before 14:00
Part no. 7809127-4
BMW E81 E87 LCI 116d 118d E90 318d N47 Fuel Pump Injector Injection System Set
€379.95
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 7804978
Mini Cooper D R55 R56 W16 Fuel Injector 13537804978 7804978 328480
Promo price
€55.95
€47.56
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 7809128
BMW E81 E87 LCI E90 E91 320d N47 Fuel Pressure Accumulator 7809128
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. A6510703287
Injector Mercedes W212 OM651 Diesel Fuel Injection Injector Nozzle A6510703287
Promo price
€66.95
€56.91
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 7787215-1
BMW E46 E60 E87 E90 E91 Diesel Engine Fuel Injector Clamp Flange 7787215
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. A6420701987
Mercedes W221 OM642 CDI Diesel Engine Fuel Injector Injection Nozzle A6420701987
Promo price
€47.95
€40.76
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 7624542
Mini Cooper S R55 R56 LCI N18 Fuel Injection Tank Breather Valve 7624542
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 059130216J
Injector Holder Audi Q7 4L A7 4G8 A6 C7 Diesel 3.0 TDI Injector Bracket 059130216J
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 8596876
BMW F30 F31 F32 F33 N57 Fuel Pump High Pressure Fuel Line Pipe Tube 8596875
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 8514148-3
BMW 1 3 Series F20 F21 F30 LCI 120d 320d Diesel B47 Set Fuel Injection System
Promo price
€569.95
€484.46
Free delivery: Jul 22 – 27
If paid before 14:00
Part no. A6510706381
Fuel Feed Lines Mercedes W204 OM651 Injector Tank Fuel Pipes Diesel A6510706381
€23.95
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 7810702-5
BMW X3 F25 18d 20dX N47N Diesel Engine Fuel Injection Injector System Set
Promo price
€569.95
€484.46
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 7528351
Mini Cooper S R55 R56 R57 N14 1.6 Petrol Fuel Injector 7528351 0261500029
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 7810702
BMW E90 E91 E92 LCI 320d N47N 184HP Diesel Set Fuel Injection System
Promo price
€522.95
€444.51
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 7797877-5
BMW E81 E87 E90 E91 E92 120d 320d Diesel N47 Set Fuel Injector Injection System
Promo price
€569.95
€484.46
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. A6510702987
Mercedes W176 W204 W212 W246 Diesel Engine OM651 Fuel Injector A6510702987
Promo price
€94.95
€80.71
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 7575646
MINI Cooper One R55 R56 R57 R58 R59 R60 R61 Petrol Fuel Rail Injection Tube
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 8577648-3
BMW E90 LCI F20 F21 F30 F31 F32 High Pressure Fuel Pump 316d 318d N47N 7823452
Promo price
€75.95
€64.56
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. A2820701100-1
Fuel Rail Mercedes W177 Petrol M282 Fuel Distributor Injectors A2820701100
Promo price
€32.95
€28.01
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 7800609
BMW 1 3 Series E81 E87 LCI E90 120d 320d 520d N47 Injector Pipe Pressure Hose
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
Part no. A6510160238-1
Injector Bracket Mercedes W204 W212 W221 W906 OM651 Holder Nozzle Mount
€37.95
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 03L130216
VW Volkswagen MK6 2.0 TDI Diesel Engine Fuel Injector Clamp 03L130216
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
Part no. 7799610-1
BMW E60 E61 LCI E90 E91 E92 Fuel Pressure Sensor Regulation Valve Rail 7799610
€23.95
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 06H905110P
VW Volkswagen Golf 5G 2.0 TFSI CHHA Fuel Injector Ignition Coil 06J905110G
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 7541452-1
BMW E46 E60 E61 E65 X3 E83 M54 Fuel Injector Line Injectorts 1437442
Promo price
€37.95
€32.26
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 2757169
Mini Cooper One D Diesel W16 R55 R56 W16 Fuel Pipe Overflow 2757169
Promo price
€28.95
€24.61
Free delivery: Jul 22 – 27
If paid before 14:00
-40%
Part no. 03L130755AC
VW Audi A4 B8 A5 8T Q5 8R 2.0 TDI Diesel High Pressure Fuel Pump 03L130755AC
Promo price
€113.95
€68.37
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 7823460
Mini R56 LCI R58 R59 Cooper D 2.0 SD Diesel N47N Set Fuel Injection System
Promo price
€170.95
€145.31
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. LR073710
Land Rover Discovery Sport L550 Fuel Injector Nozzle 2.0 204DTD G4D3-9K546-AA
Promo price
€99.95
€84.96
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. A6400701287
Fuel Injector Mercedes W169 W245 Diesel OM640 Common Rail A6400701287
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 1521390
BMW MINI Cooper S R52 R53 Fuel Injector Petrol Injection Valve 1521390
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 8577644-1
BMW E81 E87 LCI 123d Diesel N47S 204HP Set Injector Fuel Pump Injection System
Promo price
€664.95
€565.21
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. 6H4Q-9K546-DB
Range Rover L322 Fuel Injector 3.6 TDV8 Diesel 6H4Q-9K546-DB
Promo price
€80.95
€68.81
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 8514166
Fuel Rail BMW F20 F21 114d 116d ed Mini R60 R61 N47N Injector System 8514166
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. A2720780249
Mercedes W164 W203 W204 W211 M272 Fuel Injector Injection Nozzle A2720780249
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
-40%
Part no. 7805424-1
BMW E90 LCI F10 Pressure Hose Set Fuel Injector Pipe Line Assy N57 Diesel
Promo price
€94.95
€56.97
Free delivery: Jul 22 – 27
If paid before 14:00
-15%
Part no. A6460700787
Mercedes W203 W211 OM646 Diesel Fuel Injector A6460700787
Promo price
€47.95
€40.76
Free delivery: Jul 22 – 27
If paid before 14:00
Part no. A2720701695
Mercedes W204 C219 W221 CGI Fuel Distributor Injection Petrol Engine A2720701695
€113.95
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 7809127-3
BMW E81 E87 LCI E90 F20 F21 F30 Injector Fuel Rail Diesel N47 7809127
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
-40%
Part no. A6070700500
Mercedes Citan W415 OM607 Diesel Fuel Injector Injection Nozzle 0445110652
Promo price
€56.95
€34.17
Free delivery: Jul 22 – 27
If paid before 14:00
-5%
Part no. 7805425
BMW 3 5 7 E90 E91 E92 LCI F10 F01 N57 Pressure Hose Assy Pipe Fuel Injector
Promo price
€23.95
€22.75
Free delivery: Jul 22 – 27
If paid before 14:00
Used fuel injection system parts – injectors, pumps, rails, and fuel system elements
The main components of the injection system and their functions
The fuel injection system is the heart of a modern engine, responsible for the precise dosing of fuel into the combustion chamber. It is thanks to this system that your vehicle can achieve excellent results in terms of power, fuel economy, and exhaust emissions. In the Global Parts automotive store, you will find a wide selection of used car parts for fuel injection systems, perfectly matched to brands such as BMW, Audi, Volkswagen, Mercedes, or Mini. Our parts are a guarantee of quality and durability, which will allow your vehicle to perform at the highest level.
How does a fuel injection system work?
The fuel injection system is an advanced system that works with other engine components to ensure optimal combustion of the air-fuel mixture. Its key elements include:
- Other fuel injection system parts – additional components necessary for the proper functioning of the fuel system.
- Injector nozzles – responsible for the precise atomization of fuel in the combustion chamber, which affects combustion efficiency and vehicle performance.
- High-pressure fuel pumps – key elements of the injection system that deliver fuel at the appropriate pressure to the injectors. An efficiently operating fuel injection system means not only more power and economy but also a longer engine lifespan and lower emissions of harmful substances.
Construction and purpose of fuel injection systems
Fuel injection systems are a set of components responsible for drawing fuel, generating the appropriate pressure, and delivering it to the cylinders at the right moment. A typical set includes a fuel pump, lines, a fuel rail, a regulator, and injectors, and in many versions, also sensors that work with the engine control unit. This system is located between the fuel tank and the combustion chamber and must work with the intake equipment and control electronics. If you are looking for a subassembly such as an Audi A4 B8 injection pump, it is worth comparing the OEM number, pump drive type, engine version, and electrical connector type before installation.
Definition and types of fuel injection systems
Fuel injection systems can be divided into several types, depending on the technology used by the manufacturer. The most common are the Common Rail system, injection pump with a fuel rail, and direct injection (GDI). In Common Rail systems, fuel pressure can reach up to 2000 bar, which allows for very accurate dosing and reduces fuel consumption by up to 10–15%. These systems are installed in many modern models, including the BMW 3 Series (E90), Audi A4 B8, or Volkswagen Golf VI.
Differences between types of fuel injection system components
| Component type | Main function | What to check before purchase | Cooperating elements |
|---|---|---|---|
| Injector | Doses and atomizes fuel at the right moment | OEM number, injection code, connector type, engine version | Fuel rail, engine ECU, seals |
| High-pressure pump | Generates the pressure needed to supply the rail and injectors | OEM number, mounting method, drive gear, engine compatibility | Fuel lines, pressure regulator, rail |
| Fuel rail | Stores fuel under pressure and distributes it to the injectors | Port layout, pressure sensor, engine version | Injectors, pressure sensor, lines |
| Regulator or control valve | Stabilizes the operating parameters of the entire system | Control type, connector, compatibility with pump or rail | Pump, fuel rail, ECU |
Why is it worth taking care of the fuel injection system?
Regular maintenance and replacement of worn fuel injection system components are essential for achieving optimal engine performance and reliability. A neglected system can lead to:
- Uneven engine operation.
- Increased fuel consumption.
- Difficulty starting the vehicle.
- Higher exhaust emissions. At Global Parts, we offer original used car parts that undergo thorough quality checks, ensuring their full functionality.
Fuel dosing function and the importance of operating pressure
Fuel dosing serves to maintain the correct mixture proportions depending on the load, temperature, and engine speed. In practice, this means that even a small leak or pressure drop can worsen starting, smoothness of operation, and throttle response. In diagnostics, components from the Fuel filters and Lines, hoses, and pipes categories are often checked, as they affect the tightness and stability of the supply.
Table of symptoms and fuel injection system components
| Symptom | Possible cause | Component to check |
|---|---|---|
| Uneven engine operation | Injector leak | Fuel injector |
| Engine power loss | Worn high-pressure pump | Injection pump / pressure regulator |
| Difficulty starting | Contaminated fuel filter | Filter / fuel rail |
| Engine smoking | Incorrect injection pressure | Nozzles or control valves |
How to choose the right parts for fuel injection systems?
When choosing fuel injection system parts, such as injectors, injection pumps, or pressure regulators, it is worth paying attention to:
- Vehicle model compatibility – every car manufacturer and model has its own unique requirements. At Global Parts, you will find parts perfectly matched to BMW, Audi, Volkswagen, Mercedes, or Mini.
- Technical condition – check that the components are free from damage and ready for further use.
- Type of fuel injection system – for example, common rail systems require precise injectors that are adapted to high operating pressures.
Compatibility and fitment
When choosing fuel injection system parts, it is worth paying attention to OEM compatibility – every element, such as a high-pressure pump or fuel rail, has its equivalent in manufacturer catalogs. At Global Parts, you can select a part based on the VIN, which guarantees perfect fitment and simple installation. This avoids the risk of incorrect component selection, and the replacement is faster and cheaper. It is worth knowing that most pumps and injectors can be used interchangeably in various VAG group models.
Selection of cooperating equipment and installation check
The fuel rail is a collector element that distributes fuel to individual injectors and often works with a pressure sensor and a control valve. When selecting, you must check not only the part number itself but also the number of outlets, the position of the ports, the thread type, and the presence of equipment. When completing a repair for a specific model, e.g., BMW E90, it is good to also verify related Fuel pumps and level sensors and Air and fuel intake sensors.
Why choose used fuel injection system parts?
Used car parts are an excellent solution for those looking for savings without sacrificing quality. By choosing used injectors, pumps, or regulators, you gain:
- Lower costs – used components are cheaper than new ones but offer equally high quality.
- Ecology – you support recycling, reducing the amount of automotive waste.
- Wide selection – in our offer, you will find fuel injection system elements for the most popular car brands.
Technical data and performance of fuel injection systems
Injectors in modern diesel engines operate with a frequency of up to 5–7 injections per cylinder cycle, which allows for very smooth acceleration and lower fuel consumption. In turn, injection pumps can maintain operating pressure in the range of 1500–2500 bar. Such parameters guarantee the highest efficiency and long life of the entire system. When choosing an element like Audi A4 B8 injectors, it is important to compare the manufacturer's marking, performance class, correction code, and compatibility with the specific engine version.
How to take care of your vehicle's fuel injection system?
To ensure the fuel injection system works efficiently for a long time, it is worth remembering a few key rules:
- Regularly clean and maintain fuel injectors to avoid clogging.
- Use high-quality fuel and apply cleaning additives that improve system operation.
- Check and replace injection pumps and pressure regulators according to the manufacturer's recommendations. In case of failure or wear of components, at Global Parts you will find suitable used auto parts that will help restore your vehicle to full efficiency.
Benefits of regular service
Regular inspection of the fuel injection system not only increases engine life but also reduces fuel consumption by an average of 5–8%. Well-maintained injectors and pumps guarantee smooth operation of the power unit and less load on other subassemblies, such as the turbocharger or EGR valves. A practical supplement to knowledge about equipment and design changes in popular models is the article Hot-hatch legend: the evolution of the VW Golf GTI from Mk1 to Mk8 – design changes and VW car parts.
FAQ
| Question | Answer |
|---|---|
| What is the construction and purpose of fuel injection systems? | Fuel injection systems are sets of components responsible for transporting, compressing, and precisely dosing fuel into the engine. They usually consist of a pump, lines, a fuel rail, injectors, and pressure control elements. They are mounted between the fuel tank and the combustion chamber and work with the engine electronics. |
| What are fuel injection systems used for? | Fuel injection systems are used to deliver the appropriate dose of fuel at the right moment of engine operation. Their task is to maintain proper combustion, performance, and smoothness of the power unit. When they malfunction, problems with starting, power loss, and increased fuel consumption may occur. |
| What is the construction and function of a fuel rail? | A fuel rail is an element that distributes fuel to individual injectors at a set pressure. Depending on the design, it may work with a pressure sensor and a control valve. Its proper tightness and compatibility with the system affect the even supply of the cylinders and the stability of engine operation. |
| How to choose parts for fuel injection systems for a specific engine version? | It is best to compare the OEM number, engine code, connector type, and factory-installed equipment version. It is also worth checking whether the part is intended for the pre-facelift or facelift version and whether it fits the specific control type. For elements such as pumps and injectors, verification by VIN is also helpful. |
| What symptoms indicate a problem with the fuel injection system? | The most common are uneven engine operation, difficulty starting, power loss, and increased smoke. Symptoms can result from an injector leak, unstable fuel pressure, or dirt in the system. In diagnostics, it is also worth checking the fuel filter, lines, and cooperating sensors. |
| What should be paid attention to when installing used fuel injection system parts? | Before installation, compare catalog numbers, mounting points, ports, threads, and the type of electrical plug. In many cases, you also need to assess the condition of the seals and check whether the part works with the remaining fuel equipment. Proper selection limits the risk of leaks and speeds up the installation itself. |
Summary: fuel injection systems and parts at the Global Parts automotive store
Fuel injection systems are the foundation of the efficiency and reliability of every engine. By taking care of their proper operation, you ensure your vehicle has optimal performance, fuel economy, and a longer lifespan. In the Global Parts offer, you will find proven components for many car models, including BMW, Audi, Volkswagen, Mercedes, Mini, and others. Properly selected pumps, injectors, rails, and regulators help maintain correct engine supply parameters and simplify repairs in accordance with the OEM number and car version. We invite you to contact us – we are here to help you! For more information and interesting facts, we also invite you to our automotive blog.