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07eins GmbH

07eins Performance Fuel Supply Kit

Regular price €199,00 EUR
Regular price Sale price €199,00 EUR
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Specially designed mechanical valve control unit which prevents the fuel lines to the cylinder head from running dry when the engine is shut off.

The fuel valve kit is designed to support the function of the pre-feed pump and replace missing/damaged or worn components of the factory fuel return system.

  • Easy, tool-less installation in minutes thanks to matching fuel quick disconnects.
  • Improved starting performance, especially after long periods of inactivity
  • Reduced diesel entry into the engine oil during longer starting procedures


While driving, fuel from the tank continuously circulates through the cylinder head and heats up the entire fuel supply via the quantity returned in the circuit. After the engine has been switched off, the physical effects of the cooling of the fuel can cause the fuel in the delivery lines to withdraw from the cylinder head, despite the tank venting being intact.

The result is delayed starting with a longer running time of the starter until the engine is started.

Viewed over a longer period of time, minimal quantities of fuel, which were not burned during the delayed starting process, enter the crankcase and can thus contribute to the known oil increases with the associated consequential damage.

The fuel valve kit uses threshold pressure valves to isolate both the forward and return fuel lines from the tank and diesel filter after shutdown, ensuring that sufficient fuel is always available directly in the cylinder head to guarantee an immediate, clean engine start.


Scope of delivery:

Ready-assembled valve control unit with quick-coupling connections, suitable for diesel filter with four connections.