Setup, Compatibility & Care
Compatibility Verification:
Before purchasing, it is imperative to verify that this fuel supply unit is compatible with your specific vehicle. Consult your vehicle's owner's manual or a qualified mechanic. Cross-reference the part number (8TF 358 303-971) and carefully check the measurements and dimensions against your existing unit or the vehicle's specifications. Pay close attention to the compatibility list provided:
- Mercedes-Benz VITO / MIXTO Van (W639) 2007-2014 (Models: 111 CDI 4x4, 109 CDI)
- Mercedes-Benz VITO Bus (W639) 2007-2014 (Models: 109 CDI 4x4, 111 CDI 4x4)
- Mercedes-Benz VIANO (W639) 2005-2006 (Models: CDI 2.2, CDI 2.2 4-matic)
Setup:
Installation of a fuel supply unit should be performed by a qualified automotive technician. It typically involves:
- Safely relieving fuel system pressure.
- Accessing the fuel tank and removing the old unit.
- Installing the new Hella fuel supply unit, ensuring all seals and connections are secure.
- Reinstalling components and refilling the fuel tank.
- Checking for leaks and testing system operation.
Care:
Fuel supply units are generally maintenance-free components. However, ensuring the cleanliness of your fuel is paramount. Regularly replace your fuel filter as per your vehicle manufacturer's recommendations to prevent contaminants from reaching the fuel supply unit and potentially causing premature wear or blockages. Using high-quality fuel from reputable sources also contributes to the longevity of the unit.