Fuel Filter - Hengst - H405WK
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HENGST In-Line Fuel Filter H405WKFree delivery in 1–3 days£53.75Visit shop →
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Fuel filter In-Line Filter H405WK HENGST FILTER for MERCEDES-BENZ INFINITIFree delivery in 1–3 days£59.50Visit shop →
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HENGST FILTER H405WK Fuel Filter for MERCEDES-BENZFree delivery in 1–3 days£70.80Visit shop →
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Fits HENGST FILTRY H405WK FUEL FILTERFree delivery in 1–3 days£71.79Visit shop →
HENGST FILTER H405WK Fuel Filter for MERCEDES-BENZFree delivery in 1–3 days£72.29Visit shop →
AutodocHENGST FILTER Fuel Filter MERCEDES-BENZ,INFINITI H405WK 2137200000,6420903152,6420905352 6420906052,6420906352,A6420903152,A6420905352,A6420906052
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£62.35
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Product Information
Full details
The Hengst H405WK fuel filter is an essential maintenance component designed for vehicle owners who prioritize engine longevity and fuel system reliability. It is ideal for those performing their own vehicle servicing on compatible Mercedes-Benz and Infiniti models, offering high-efficiency filtration that meets original equipment (OE) standards to keep injectors and fuel lines clear of debris. While the filter provides excellent protection, users must exercise caution to verify exact fitment using the part number H405WK, as automotive compatibility can vary significantly even within the same make and model year.
All features
| Model Part Number | H405WK |
|---|---|
| Brand | Hengst |
Extended Product Information
FAQs
How often should I replace the Hengst H405WK?
Follow the interval recommended in your vehicle's owner manual, typically every 30,000 to 50,000 miles.
Does this filter fit my specific car?
Check your current filter for the part number H405WK or cross-reference your vehicle's VIN with the part catalog to ensure compatibility.
Can I install this myself?
Yes, if you have experience with automotive fuel systems and the proper tools to relieve fuel pressure safely.
What are the dimensions of this filter?
The filter has an outer diameter of 87mm and a height of 125mm.
Is it normal to see residual fuel when removing the old filter?
Yes, some residual fuel in the lines is normal. Use a shop towel to catch spills and dispose of fuel according to local regulations.
Troubleshooting
Engine experiences misfires or hesitation after installation
Verify that the fuel lines are securely connected and that the filter was installed in the correct directional flow orientation.
Fuel leakage detected at the connection points
Check that all fittings are tightened to the manufacturer's torque specifications and inspect O-rings or gaskets for damage.
Pros and Cons
Pros
- Meets strict OE manufacturing standards
- Protects vital engine components from impurities
- Ensures consistent engine efficiency
- Reliable and precise fitment for compatible models
Cons
- Requires careful verification of part number H405WK before purchase
- Installation requires basic mechanical knowledge of fuel systems
- Limited compatibility compared to universal-fit aftermarket filters
Setup, Compatibility & Care
Before installation, confirm that the H405WK part number matches your vehicle’s specific requirements. Because fuel systems are under pressure, always follow these safety steps: relieve the fuel system pressure prior to opening the line, wear protective eyewear, and keep a fire extinguisher nearby. Ensure the filter is oriented correctly according to the flow direction markings on the canister. Care for the unit involves adhering to your vehicle manufacturer's recommended fuel filter replacement intervals. If you notice a sudden drop in engine power or difficulty starting, inspect the filter housing for leaks or signs of debris buildup.