Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
Make
Category
Subcategory
Condition
In Stock
Price
-15%
Part no. 9345374
BMW F10 LCI Light Control Footwell Module ECU Unit FRM3 9345374
Promo price
€70.95
€60.31
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A1669004402
Door Module Mercedes W176 W246 Front Right O/S Control Unit Module A1669004402
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A0045429118
ECU Module Mercedes W169 W211 W245 Yaw Rate Sensor Unit ESP A0045429118
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 4F7910401L-1
Audi A6 C6 2.7 TDI CANC Quattro 190HP Engine Control Unit ECU Kit 4F7910401L
Promo price
€284.95
€170.97
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 8514577
BMW X3 F25 Diesel N47N Engine Gearbox Wiring Loom Harness 8514577
Promo price
€42.95
€25.77
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9274021
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9274021
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9210863
BMW X3 F25 Fuse Box Power Distribution Module Relay Unit 9210863
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 8809737
PDC Wiring BMW X4M F98 G02 Rear Bumper Parking Assistance Sensor Harness 8809737
Promo price
€89.95
€53.97
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 6954007
BMW E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6978232
Promo price
€113.95
€96.86
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. 1742690-1
BMW E60 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 94520-4H0004X
Hyundai H-1 Dashboard Panel Digital Clock Watch Unit 94520-4H0004X
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 4H0951253A
Seat Skoda Audi VW Polo 6R Multi Use Control Module Relay 4 Pin 645 4H0951253A
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 3416765
Mini Cooper One R56 Antenna Amplifier Aerial Diversity Module 3416765
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9670855680
Peugeot Partner Diesel Glow Plug Wiring Loom Cable Wiring 9670855680
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. V23134-J59-X431
Mazda 6 GJ TYCO Relay Black Unit Module 4 Pin 12V V23134-J59-X431
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9322122-2
Display Screen BMW F20 F21 F22 Central Information Sat Nav Monitor 6,5" 9322122
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2466200018
Mercedes-Benz A-Class W176 Battery Frame Holder Bracket Mount Plate A2466200018
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2218208202
Mercedes W221 Front Centre Dashboard Tweeter Speaker A2218208202
Promo price
€33.95
€28.86
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 7648785
BMW i3 i01 Battery Cell Module Supervision Circuit Control Unit 7648785
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. LHD-HC-8613-R56
LHD-HC-8613-R56
Promo price
€284.95
€170.97
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9337656
Mini Cooper One F55 F56 F57 Sensor For Pedestrian Protection PTS 9337656
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 6871062
BMW F01 F07 F10 F12 VDC Module Rear Suspension Level Control Unit 6871062
Promo price
€47.95
€40.76
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 9335350
BMW F30 F31 F34 GT Radio Professional DAB CD Player 9335350
Promo price
€284.95
€170.97
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2128204713
Seat Wiring Mercedes W212 Front Loom Harness Passenger Side A2128204713
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A9068270005
Mercedes W639 W906 Voltage Stabilizer Control Unit Module A9068270005
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 8793254
Door Wiring BMW X3 G01 F97 X4 G02 F98 Cable Harness Rear Left Right N/O/S
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9374510
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9374510
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2139062202
Mercedes W213 W222 Fuse Box Rear Electrical Fuse Unit Module A2139062202
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9810737980
Citroen Relay 35 L Fuel Pump Carrier Bracket Holder Housing 9810737980
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2129008818
Keyless Go Module Mercedes W207 W212 W218 ECU Door Lock Control Unit A2129008818
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 8578945-3
BMW F20 118d F30 318d N47N 143HP ECU Engine Contol Unit DDE 8578945 Manual
Promo price
€89.95
€53.97
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A1679009011
Mercedes W205 C213 X253 Rear Door Control Module Unit ECU Left N/S A1679009011
Promo price
€42.95
€36.51
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 7557027
BMW X5 E70 X6 E71 E72 Battery Earth Cable Wiring Loom 7557027
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. 1K0971250AL
Audi A3 8P Negative Battery Terminal Cable Wiring Battery Wire 1K0971250AL
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9199491
BMW Mini Clubman R55 Cable Wiring Loom Splitdoor Door Rear Left N/S 9199491
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. 9166667
BMW X5 E70 Footwell ECU Light Control Unit Module FRM II Lear 9166667
€170.95
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2113231226
Mercedes-Benz E Class W211 Front Right Anti Roll Bar Clamp Bracket A2113231226
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6906070
BMW X5 E53 Roof Antenna Amplifier Trap Circuit 6906070
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 8379094
BMW X5 Series E53 Rear Right Door Stereo Audio Loudspeaker O/S 8379094
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A1408207126
Mercedes C140 Blinker Hazard Trailer Relay Module Control Unit A1408207126
Promo price
€227.95
€136.77
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 141951253B-1
VW Volkswagen Audi Seat Skoda Relay Unit 4 Pins 12V 40A 141951253B
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7075943-2
BMW E60 E61 E65 Front Left N/S Seat Height Adjustment Drive 7075943
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 1K0907530K
Audi A3 8P Central Gateway Control Unit Module Relay ECU 1K0907530K
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 8516246
BMW F10 LCI F20 F22 F30 F32 B37 Wiring Harness Engine Glow Plug Module 8516246
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 8679840
BMW F80 M3 F82 F83 M4 431HP Engine Unit Module ECU DME 8679840 Dual Clutch
Promo price
€379.95
€227.97
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 7569969
BMW X5 X6 E70 E71 Control Unit Module Transfer Box 7569969
Promo price
€80.95
€68.81
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 8K0971228B
Audi A5 8T Battery Starter Alternator Harness Wiring Cable 8K0971228B
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 9897879-4
Mini Cooper F55 F56 F60 B38C 1.5 136HP Engine Module ECU DME 9897879 Manual
Promo price
€227.95
€136.77
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 6851242
ICM Module BMW F01 F02 Integrated Chassis Management QL ES Control Unit 6851242
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9383181
BMW F20 F21 F22 F30 F31 F32 F36 Fuse Box Body Module Control Unit FEM 9383181
Promo price
€123.95
€105.36
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A1729008500-1
Mercedes W166 W204 Display Screen Information Navigation Dashboard A1729008500
Promo price
€42.95
€25.77
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A0005463704
Mercedes C118 Positive Pole Battery Insulating Cap Cover Trim A0005463704
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2048204697
Mercedes W204 Dashboard Dash Navigation Central Display Screen Monitor
Promo price
€142.95
€121.51
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A0014460340
Mercedes W245 B150 CDI OM266.920 Engine Control Unit Module ECU A0014460340
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7187221
BMW F01 F02 F03 LCI Rear Third Stoplamp Stop Lamp Brake Light 7187221
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9176878
BMW E81 Body Control Module Unit BCM ECU L2 9176878
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. 6946947
BMW X5 E53 Basic Body Control Unit Module GM3 6946947
€37.95
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 4H0951253C
Seat Skoda Audi VW Polo 6R Multi Use Control Module Relay 4 Pin 646 4H0951253C
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 5WA980653D
Volkswagen Golf CD1 Camera Lane Assist Control ECU Module Unit 5WA980653D
Promo price
€89.95
€53.97
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 8387541
BMW X5 E39 E53 Fuse Box Housing 8 Fold Voltage Regulator Boot 8387541
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. 8W0971687BR
Audi A4 B9 Rear Right O/S Door Wiring Loom Harness 8W0971687BR
€56.95
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7551559
BMW E60 E61 E63 E64 Ground Cable Alternator Petrol 7551559
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 8515900
BMW X5 E70 LCI X6 E71 F01 F02 Starter Motor N57 Engine 8515900
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. 7928461
BMW G11 G12 G29 G31 G38 Radio Remote Control Receiver Module Unit 7928461
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A4479002405
Head Unit Mercedes W447 Radio Navigation Audio 15 Control Unit A4479002405
Promo price
€218.95
€131.37
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9174269-1
BMW F07 F10 F11 Speakers Amplifier Bracket Holder Mount Unit Module 9174269
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A9079001403
Mercedes Sprinter W907 Module Control Unit Radar Sensor A9079001403
Promo price
€237.95
€142.77
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7254970
BMW E92 LCI Grille Trim Panel Chrome Frame Front Right O/S 7254970
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. 7928682
Radio Receiver BMW F40 F44 G20 G26 Radio Remote Control Unit 434 MHZ 7928682
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A6541592501
Mercedes W213 OM654 Engine Wiring Cable Cover Duct Bracket Channel A6541592225
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A9078209400
Mercedes Sprinter W907 W910 Radio Stereo Player Head Unit A9078209400
Promo price
€104.95
€89.21
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A2039000000-1
Mercedes CL203 Head Unit CD Player Radio Audio Controller Unit A2039000000
Promo price
€85.95
€51.57
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 9207075
BMW X3 X5 Series E83 E53 Telematics Control Unit Module 9207075
Promo price
€80.95
€48.57
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 6989082-TS
BMW X3 E60 E83 Front PDC Parking Distance Sensor Titansilber Silver 6989082
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 8584816
Engine Wiring BMW G20 G21 X3 G01 B57 Injectors Module Harness Loom 8584816
Promo price
€66.95
€40.17
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 1486455080
Peugeot Expert Citroen Jumpy Negative Battery Terminal Cable Wiring 1486455080
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9247088
BMW X1 Series E84 Wiring Loom Harness Passenger Side 9233559
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9255048
BMW 1 Series E81 E87 E87N Battery Wire Cable Negative Earth Lead 9255048 6929705
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6861026
BMW I01 F45 F46 Mini F55 F56 Parking Assistant PDC Control Unit Module 6861026
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. 05E903026B
Volkswagen Golf Mk7 Audi A3 8V Alternator 14V 140A 1.5 TSI 05E903026B
€61.95
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9343687
BMW F01 LCI F07 F10 F11 F25 Safety Control Unit Air Module Bag ECU 9343687
Promo price
€42.95
€36.51
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2118703889
Mercedes W164 W169 W211 W245 W906 6 Disc CD Changer Player A2118703889
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 8W0959595E
Audi A4 B9 Rear Door Control Module ECU Left Right N/O/S 8W0959595E
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 8573260-2
BMW F20 F21 116d ed Diesel N47N 116HP Engine Control Unit DDE 8573260 Manual
Promo price
€47.95
€28.77
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. 9187011
BMW F01 F07 GT Console Lightning Centre LED Lamp Light Cable Wiring 9187011
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6864927
BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Air Module 6864927
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 8580389
BMW F40 F45 X1 F48 Mini F55 F56 F57 F60 Diesel Engine Starter Motor 8580389
Promo price
€61.95
€37.17
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 06J903023BX
Audi A1 8X Seat Leon Mk3 Cupra 5F Alternator Generator Petrol Engine 06J903023BX
Promo price
€94.95
€80.71
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A9079005303
Mercedes Sprinter W907 W910 Control Unit Module ECU A9079005303
Promo price
€89.95
€53.97
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. A2139008330
Mercedes W177 W213 W247 Automatic Gearbox Control Unit Module ECU A2139008330
€94.95
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. A2129000217
Mercedes W212 Radio Head Unit Navi CD Player Control Unit A2129000217
€256.95
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. KV6T-14B060-AAF
Ford Transit Connect Battery Cable Engine Wiring Harness Loom KV6T-14B060-AAF
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2049001813-1
Mercedes W204 CD Player Radio Stereo Navigation Sat Nav Head Unit A2049001813
Promo price
€89.95
€76.46
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9177981
BMW E90 ECU Body Control Module H1 PL2 JBBFE2 9177981
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2469009112
Control Unit Mercedes W176 W246 Body Control Module BCM ECU A2469009112
Promo price
€44.95
€38.21
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A2054402834
Mercedes W205 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2054402834
Promo price
€56.95
€34.17
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2205401124-1
Fuse Box Unit Mercedes CL S C215 W220 1 Front Right O/S ECU A2205401124
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6819651
BMW X5 F15 Rear Fuse Box Distribution Relay Module Control ECU Unit 6819651
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A0045423918
Yaw Sensor Mercedes ML W164 W221 W251 ESP Rotation Rate Unit Module A0045423918
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .