Glow Plugs
More informationAt the Global Parts automotive store, we offer a wide selection of original used car parts, including glow plugs for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen and others. The glow plugs we offer undergo quality control so that you can be sure that you are receiving a top-class product.
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Part no. 7810856
BMW E90 E91 E92 LCI F07 GT F10 F11 Glow Plug Preheating Control Unit 7810856
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€23.95
€22.75
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Part no. 110678071R
Glow Plug Mercedes W176 W246 W415 OM607 Relay Unit Module Diesel Engine PDR/8-12
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€28.95
€24.61
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Part no. A6519005602
Glow Module Mercedes W204 W906 OM651.955 Plug Relay Control Unit A6519005602
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€23.95
€22.75
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Part no. 8519472
BMW F10 F11 F30 F31 Glow Plug Module Preheating Control Unit N57N 8519472
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€23.95
€22.75
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Part no. 7805989
Mini Cooper R55 R56 W16 Diesel Intake Oil Pick Up Strainer Tube Pipe
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€23.95
€22.75
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Part no. A6519001300
Mercedes W906 Glow Plug Relay Unit Module OM651 Diesel Engine A6519001300
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€23.95
€22.75
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Part no. A6519005502
Glow Plug Mercedes W204 W212 Vito OM651 Diesel Relay Unit Module A6519005502
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€23.95
€22.75
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Part no. A6511501333
Mercedes W204 W212 W906 Glow Plug Wiring Relay OM651 Diesel A6511501333
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€23.95
€22.75
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Part no. A6429005801
Mercedes W204 OM642 Glow Plug Diesel Relay Unit Control Module A6429005801
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€70.95
€60.31
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Part no. A6519000900
Mercedes W204 Glow Plug Relay Unit Module W906 OM651 Diesel Engine A6519000900
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€23.95
€22.75
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Part no. A6519002203
Glow Plug Mercedes W176 W246 160 180 CDI Relay Unit Module A6519002203
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€28.95
€24.61
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Part no. A6429007701
Glow Plug Mercedes W463 W639 W212 W221 Relay Control Unit Module A6429007701
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€42.95
€36.51
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Part no. AV61-12A343-BA
Land Rover Freelander 2 L359 Glow Plug Relay Module AV61-12A343-BA
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€23.95
€22.75
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Part no. A6461532579
Mercedes W204 Glow Plug Relay Unit Module W211 OM646 Diesel Engine A6461532579
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€189.95
€113.97
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Part no. A6429007801
Glow Plug Mercedes W164 W211 W219 OM642 Relay Control Unit Module A6429007801
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€75.95
€64.56
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Part no. 04L907281
Audi Q3 8U 1.6 TDI Glow Plug Relay Module 04L907281
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€23.95
€22.75
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Part no. 04L907283
VW Volkswagen Transporter T6 Glow Plug Relay Unit Diesel Engine 04L907283
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€32.95
€28.01
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Part no. A6519002303
Mercedes W906 OM651 Diesel Glow Plug Relay Module Control Unit A6519002303
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€23.95
€22.75
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Part no. A4159009003-1
Mercedes W415 Glow Plug Relay Module Control Unit A4159009003 271202380R
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€32.95
€28.01
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Part no. 2036237
Ford Transit Mk8 Glow Plug Cover Trim Panel 2.0 TDCi GK21-12C546-AB
€23.95
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Part no. 1685821
Ford Focus Mk3 Glow Plug Harness Electric Loom 71583580 1733055 AV6Q6M091AA
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€23.95
€22.75
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Part no. A6519008802
Mercedes W156 W176 W246 OM607 Glow Plug Diesel Relay Unit Module A6519008802
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€28.95
€24.61
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If paid before 14:00
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Part no. 9X2Q-12B533-BB
Land Rover Discovery 4 L319 Glow Plug Control Module Relay 9X2Q-12B533-BB
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€23.95
€22.75
Free delivery: Jul 16 – 21
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Part no. MX73-189E2-AA
Range Rover Sport L494 Glow Plug Relay Module MX73-189E2-AA
€23.95
Free delivery: Jul 16 – 21
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Part no. 9803299780
Citroen Peugeot Ford Glow Plug Relay Module 51299058A 9803299780
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€23.95
€22.75
Free delivery: Jul 16 – 21
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Part no. BH4Q-12B533-CA
Range Rover L405 Glow Plug Control Unit Relay Electrical Module BH4Q-12B533-CA
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€23.95
€22.75
Free delivery: Jul 16 – 21
If paid before 14:00
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Part no. A6519003103
Mercedes W906 OM651 Diesel Glow Plug Relay Module Control Unit A6519003103
Promo price
€28.95
€24.61
Free delivery: Jul 16 – 21
If paid before 14:00
Part no. 7798000
BMW 1 3 5 Series E60N E87 LCI E90 N47 Preheating Control Glow Plug Unit Diesel
Product currently unavailable
Part no. A6461538491
Mercedes W203 W639 Glow Plug Relay Control Unit Module A0005453516
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Part no. 7823325
Mini Cooper R55 R56 LCI R60 Preheating Control Glow Plug Relay Unit 7823325
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Part no. 9640469680
Peugeot Partner Glow Plug Relay Control Unit Module 9640469680
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Part no. A6409004200
Mercedes W169 W245 Glow Plug Relay Unit Module OM640 Diesel Engine A6409004200
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Part no. A6409000300
Mercedes W169 Glow Plug Relay Preheating Control Unit A6409000300
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Part no. 7700115078
Renault Trafic Glow Plug Relay Control Unit Module 7700115078
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Part no. A2110021048
Mercedes W211 Glow Plug Diesel Relay Unit Control Module A2110021048
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Part no. 8513152
BMW F20 F21 LCI Mini Cooper D F55 F56 Preheating Control Unit Glow Plug B37
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Part no. 8591724
BMW X5 E70 E90 LCI E92 F10 Preheating Control Glow Plug Unit Diesel N57 7800156
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Part no. A6519003003
Mercedes X253 Glow Plug Relay Unit Module A6519003003
Product currently unavailable
Part no. GX73-12B533-AE
Land Rover Discovery Sport L550 Glow Plug Control Unit Relay GX73-12B533-AE
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Part no. 04L907281B
Volkswagen Crafter Mk2 Audi Q5 8Y Glow Plug Relay Module 2.0 TDI 04L907281B
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Part no. 8200859243
Renault Trafic II Glow Plug Diesel Relay Control Unit Module 8200859243
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Part no. 8591724-2
BMW X5 E70 E90 LCI E92 F10 N57 Preheating Control Glow Plug Unit Diesel
Product currently unavailable
Part no. A6291530679
Mercedes GL420 CDI W164 Diesel OM629 Glow Plug Module Relay A6291530679
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Part no. 2246919
BMW X5 E38 E39 E46 E53 Glow Plug Relay Module 2246919
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Part no. A6569003600
Mercedes W213 W204 Diesel OM656 Preglow Module Glow Plug Control A6569003600
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Part no. A6461532579-1
Mercedes W204 W211 OM646 Glow Plug Relay Unit Module Diesel Engine A6461532579
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Part no. A6421532079
Mercedes W204 W212 OM642 Glow Plug Diesel Relay Unit Control Module A6421532079
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Part no. 7801201-1
BMW E60 E65 E90 E91 M57N2 Preheating Control Unit Spark Glow Plugs 7801201
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Part no. 8591723-1
BMW E61 E81 E84 E87 E88 E92 E93 Preheating Control Unit Module 8591723
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Part no. 271206395R
Glow Plug Mercedes W415 109 CDI OM607 Relay Unit Module Diesel Engine RCS/8-12
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Part no. 7794967
BMW Mini Cooper R55 R56 W16 Diesel Glow Plug Relay Preheating Control Unit
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Part no. A6511530279
Mercedes W906 OM651 Diesel Engine Glow Plug Relay Unit Module A6511530279
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Part no. 9662570880
Peugeot 3008 Preheating Control Glow Plug Unit Relay 9662570880
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Part no. 7801201
BMW E60 E65 E90 E91 M57N2 Preheating Control Unit Spark Glow Plugs
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Part no. 89621-26010
Toyota RAV-4 Diesel Preheating Control Unit Spark Glow Plugs 89621-26010
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Part no. 9666671780
Peugeot Citroen Ford Volvo Relay Glow Plug Module 8 Pins Unit Black 9666671780
Product currently unavailable
Part no. LR022986
Range Rover Autobiography L405 Glow Plug Wiring Loom Right O/S AL3Q12A378BJ
Product currently unavailable
Part no. 8591724-1
BMW X5 E70 E90 LCI E92 F10 N57 Hitachi Preheating Control Glow Plug Unit Diesel
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Part no. A6519007903
Glow Plugs Module Mercedes W205 Diesel OM651 Glow Time Relay A6519007903
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Part no. A6401532779
Mercedes-Benz A B W169 W245 OM640 CDI Glow Plug Relay Unit Module A6401532779
Product currently unavailable
Part no. A0255452832
Mercedes-Benz A C E W168 W203 W210 Diesel Glow Plug Unit Module A0255452832
Product currently unavailable
Part no. 8200558438-A
Mercedes W176 W246 Renault Trafic II Glow Plug Relay Unit Module Diesel Engine
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Part no. Q0003503V003000000
Smart C450 Engine Immobilizer Relay Radio Reciver Q0003503V003000000
Product currently unavailable
Part no. A0025424219
Mercedes SLK R171 C209 Glove Box Plug Relay Module A0025424219
Product currently unavailable
Glow plugs for quick engine starts and lower fuel consumption
Powerful glow plugs accelerating startups and saving fuel
Glow plugs are essential components of the ignition system in diesel engines, responsible for heating the combustion chamber to enable easy engine starting in low temperatures. Efficient glow plugs are necessary for the vehicle's effective operation, especially in winter conditions. In the Global Parts automotive store, you will find a wide selection of used car parts, including glow plugs, perfectly matched to brands such as BMW, Audi, Mercedes, Mini, Volkswagen, and others.
What are the functions of glow plugs?
Glow plugs perform key functions in diesel engines:
- Heating the combustion chamber – They provide the appropriate temperature for the fuel-air mixture, enabling ignition.
- Facilitating engine start – Especially in low temperatures, when heating the combustion chamber is crucial.
- Reducing exhaust emissions – They improve combustion efficiency, reducing the amount of unburned fuel and the emission of harmful substances.
- Supporting exhaust treatment systems – They work with DPF systems and catalytic converters, improving their efficiency. Used car parts, such as glow plugs, allow for an economical solution to engine starting problems.
Construction and purpose of glow plugs
Glow plugs are electrical components mounted directly in the diesel engine cylinder head, near the combustion chamber. A glow plug typically consists of a threaded body, a heating tip, and an electrical connection, and its task is to quickly raise the temperature in the cylinder before starting the unit. In practice, not only the type of plug matters, but also the compatibility of the thread, working length, and OEM number with the specific engine version.
Comparison of glow plug variants
| Variant | Characteristics | What to check before selection |
|---|---|---|
| Metal plugs | Most commonly used in many older and some newer diesel engines, featuring a classic heating construction. | OEM number, working length, thread diameter and pitch, connection type. |
| Ceramic plugs | Found in selected units, they usually reach operating temperature faster and require precise matching. | Compatibility with engine code, control system, operating voltage, and manufacturer reference. |
| Plugs working with a controller | Their operation depends on the glow plug control module and the parameters saved for a given engine version. | Fuel type, OEM part number, interchangeable numbers, and compatibility with the car's installation. |
Why is it worth taking care of glow plugs?
Efficient glow plugs are crucial for the proper operation of a diesel engine. Common problems include:
- Heater wear – Over time, the plug's heating element may stop working, which hinders starting.
- Contamination – Accumulation of soot or oil on the plugs can reduce their efficiency.
- Electrical conductivity problems – Damaged wires or connectors can disrupt plug operation.
- Uneven engine operation – Damaged plugs can cause starting difficulties and unstable engine performance. If replacement is needed, choose used car parts that will ensure high quality and durability.
The role of the controller and cooperating components
The glow plug controller is a module that manages the timing and intensity of heating for individual plugs before and after starting the engine. Its operation integrates with the electrical system, temperature sensors, and the engine management strategy; therefore, during diagnostics, it is worth considering not only the plugs themselves but also components from the Ignition and glow systems category. For parts such as a BMW E90 glow plug controller, you must compare the OEM number, engine version, and compatibility with the module's wiring harness and connector.
How to choose the right glow plugs?
- Matching the vehicle model – At Global Parts, you will find glow plugs perfectly fitting BMW, Audi, Mercedes, Mini, Volkswagen, and others.
- Technical condition – Used glow plugs should be functional, free from mechanical damage and contamination.
- Type of plugs – Choose the appropriate type (ceramic or metal) consistent with your engine's requirements.
- Technical parameters – Ensure the plugs have the correct heating power and warm-up time matched to your vehicle. Auto parts, such as glow plugs, must be selected with the highest precision to ensure reliability and efficiency.
Selection criteria based on OEM number and engine version
The selection of glow plugs should take into account technical data available with the product, such as Brand, Condition, OEM part number, Interchangeable numbers, and Fuel type. When choosing a component like an N47 glow plug controller, compatibility with the specific engine variant, number of control outputs, and electrical installation version is essential. In many cases, it is also helpful to compare cooperating parts from the Ignition coils or Other ignition parts categories when the repair covers a wider range of equipment.
How to maintain glow plugs?
- Regular checking – Monitor the condition of glow plugs during inspections, especially before the winter season.
- Cleaning deposits – Remove accumulated contaminants to ensure effective plug operation.
- Avoiding electrical overloads – Ensure the electrical system is working correctly to prevent plug damage.
- Repair or replacement on time – In case of damage, choose car parts that will quickly restore full functionality to the ignition system.
Symptoms of wear and installation practice
Symptoms of glow plug wear are usually harder cold starts, uneven operation after starting, and increased smoke in the first moments of engine operation. If you are looking for a component such as an E90 glow plug controller, it is worth additionally checking the condition of sockets, wires, and error codes saved in diagnostics. A useful supplement to service knowledge is also the article Steering system and power steering – how it works and what breaks?, which shows how to analyze symptoms and part selection in various vehicle systems step by step.
FAQ
| Question | Answer |
|---|---|
| What is the construction and purpose of glow plugs? | Glow plugs are components mounted in the diesel engine cylinder head, whose task is to heat the combustion space before starting. A typical plug consists of a metal body, thread, heating part, and electrical terminal. Depending on the engine design, they differ in working length, tip type, and the way they interact with the controller. |
| What are glow plugs used for? | Glow plugs are used to facilitate starting a diesel engine, especially at low ambient temperatures. They are also responsible for stabilizing combustion in the first phase of the unit's operation and can support the reduction of unburned fuel emissions. A faulty set affects engine refinement, starting time, and the load on the battery and starter. |
| What is the construction and function of a glow plug controller? | A glow plug controller is an electronic module that manages the power supply to the plugs depending on engine temperature and starting conditions. It is responsible for heating time, operating sequence, and circuit control; therefore, its compatibility with the installation is of great importance. In practice, it works with the wiring harness, sensors, and the software of a given engine version. |
| How to choose glow plugs for a specific car? | It is safest to compare the OEM number, interchangeable numbers, fuel type, and engine code. It is also worth checking the length of the working element, the type of connector, and whether the car uses metal or ceramic plugs. For some versions, the vehicle's equipment and year of manufacture also matter. |
| What symptoms indicate a problem with glow plugs or their control? | Common symptoms include starting problems on a cold engine, momentary uneven RPM after firing up, and smoking after start. Error codes regarding the heating circuit or a specific cylinder may also be recorded. If symptoms return despite replacing one plug, it is worth checking the controller and the installation as well. |
| How to take care of glow plugs after installation? | After installation, it is worth regularly checking the condition of the electrical system and reacting to the first signs of weaker starting. Good practice includes periodic diagnostics of the heating circuit and verification that no deposits or leaks affecting engine operation appear. This makes it easier to maintain the correct operation of the entire system. |
Summary: glow plugs at the Global Parts automotive store
Glow plugs are key components of diesel engines that enable easy starting, improve combustion efficiency, and reduce exhaust emissions. The Global Parts offer includes solutions matched to many brands, including Mercedes, BMW, Unbranded, and others. When choosing, it is worth comparing the OEM number, interchangeable numbers, fuel type, and compatibility with the engine version and equipment. We invite you to contact us – we are here to help you! For more information and interesting facts, we also invite you to visit our automotive blog.