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Bosch Fuel Injector; With Seal | 0437502043

Audi 200 Quattro, 90 Quattro, 5000, Coupe, 100, 5000 Quattro, 90, 100 Quattro, 80, 80 Quattro & more
VW Jetta, Passat, Golf
Low Stock Status
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Leaves warehouse within 1-2 business days, if still available when processed.

Make Sure It Fits

P/N: 0437502043 Bosch OEM
With Seal
For models with Motronic fuel injection system.
Cross References:
  • 035133551C
  • 035133551F
  • 0437502032
  • W01331619573

Fuel injectors deliver fuel to internal combustion engines without carburetors. They may be mechanical or electronic and inject fuel into a manifold to deliver fuel to the cylinders or deliver fuel to each cylinder individually, either directly or indirectly.

Fuel injectors fail when they are unable to deliver fuel to the engine or when they leak fuel into the engine when they should not. Fuel injectors not delivering fuel may be clogged with debris from the fuel system not removed by the fuel filter, have a mechanical valve stuck closed, or have a shorted solenoid preventing the injector from opening. Fuel injectors leaking fuel may have deteriorated internal seals, stuck open mechanical valves, or grounded solenoids keeping the injector open. Fuel injectors not delivering fuel will cause cylinders to misfire and the engine to run rough or not at all. Fuel injectors leaking fuel will cause the engine to run rich, produce black smoke, run rough, and stall.

Replacing Your Fuel Injectors

When replacing a failed fuel injector, it is a good idea to replace them all. Whether the fuel injector is clogged, has a mechanical failure, has an electrical failure, or has an internal failure of seals, the remaining injectors will often experience the same failure soon. Additionally, making sure to replace the fuel filter when replacing fuel injectors is vital for ensuring only clean fuel is flowing to the fuel injectors to prevent any sort of premature failure.

View more Bosch Fuel Injectors.

Bosch is the world's largest supplier of components to the automotive industry. The Bosch product line includes alternators & starters, brakes, electronic controls and sensors, fuel system parts and management, ignition system components, and steering system components. All Bosch automotive parts are either OEM (Original Equipment Manufacturer) or made to their specs as a replacement part for the OEM unit.
Left = Driver side and Right = Passenger side.
All parts are priced individually unless identified as a set or kit. "Per car" notes identify how many of a given part your car has and "Left/Right or Front/Rear" notes means the part fits the left or right side of the car. These parts are still sold individually and you'll need to select the appropriate quantity if you plan to replace more than one of this item.

Frequently Viewed Together

We found 10 additional part(s) that are frequently viewed together.

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What This Bosch Fuel Injector Fits?

Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.

89-91 - 100 Base, E
89-91 - 100 Quattro
89-91 - 200
89-91 - 200 Quattro
91-91 - 200 Quattro 20v
Engine VIN: D
88-88 - 5000 CS, S
87-87 - 5000 CS, S
For models with chassis serial number from 039768, approximately 10/1986.
87-88 - 5000 Quattro CS, S
87-87 - 5000 Quattro CS
For models with chassis serial number from 100001, approximately 10/1986.
88-92 - 80
88-92 - 80 Quattro
88-91 - 90
88-91 - 90 Quattro Base, 20v
87-87 - Coupe Base, GT
For models with production date from 2/1987.
90-92 - Golf GTI 16-Valve
90-92 - Jetta GLI 16-Valve
90-93 - Passat Base, CL, GL, GLS