Description
Fuel accumulator for Bosch K-Jetronic and KE-Jetronic injection systems
This high-quality fuel accumulator is suitable for various classic vehicles equipped with a Bosch K-Jetronic or KE-Jetronic mechanical injection system. The accumulator ensures that the fuel system remains under pressure after the engine is switched off, contributing to a reliable warm start and stable operation of the injection system.
The fuel accumulator is an essential component of the fuel system. Maintaining residual pressure after the engine is switched off prevents fuel from evaporating in hot lines and air bubbles from forming. This ensures that the fuel supply remains reliable even after a period of inactivity.
Main function of the fuel accumulator
• Maintains residual pressure in the fuel system.
• Prevents pressure loss after switching off the engine.
• Reduces the risk of vapor formation in hot fuel lines.
• Supports a fast and reliable warm start.
• Contributes to the stable operation of the injection system.
Suitable for the following models, among others
Bentley
• T2 Series Sedan 6.75
Ferrari
• 208 GTB
• 208 GTS
• 308 GTB
• 308 GTS
• 400i
• 412i
• 512 BB
• Mondial
• Mondial Convertible
Lamborghini
• Countach
Rolls-Royce
• Silver Shadow Sedan
Puch
• G-Modell (licensed version)
Suitable for Mercedes models
• Mercedes SL (R107)
• Mercedes SLC (C107)
• Mercedes S-Class (W116)
• Mercedes G-Class (W460)
• Mercedes G-Class Convertible (W460)
• Mercedes W123 Sedan
• Mercedes C123 Coupé
• Mercedes S123 T-Model (Estate)
Always check the OEM or Bosch part number before ordering to determine the correct application.
Symptoms of a defective fuel accumulator
• Difficulty starting with a warm engine.
• Long start time after a short standstill.
• Loss of fuel pressure.
• Irregular engine running immediately after starting.
• Residual pressure disappears too quickly after switching off the engine.
Important regarding replacement
- Work cleanly and prevent contamination of pipes and connections.
- Check the fuel lines for leaks and aging.
- Check the operation of the fuel pump and the fuel filter.
- After installation, check all connections under system pressure.
- Check whether the fuel system maintains the prescribed residual pressure.
Advice
A defective fuel accumulator is not the only possible cause of hot start problems. A worn fuel pump, a defective check valve, leaking injectors, or a malfunctioning pressure regulator can also cause similar symptoms. Therefore, always check the entire fuel system during diagnosis.
Similar part numbers
• Mercedes: A0004760121 / 0004760121
• Bosch: 0 438 170 004
• Puch: 7211491012
• Ferrari: 113978
• Rolls-Royce: UR21822
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