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Details
| Specification | Value |
|---|---|
| Brand | PURFLUX |
| MPN | fcs797 |
| Height [mm] | 124 mm |
| Diameter 3 [mm] | 8 mm |
| Diameter 4 [mm] | 10 mm |
| Outer Diameter [mm] | 86 mm |
OE numbers (12)
Search by this OE number to find compatible parts
- INFINITI / NISSAN—16401HG00A
- MERCEDES-BENZ—6420903152
- MERCEDES-BENZ—6420904852
- MERCEDES-BENZ—6420904952
- MERCEDES-BENZ—6420905352
- MERCEDES-BENZ—6420906052
- MERCEDES-BENZ—6420906352
- MERCEDES-BENZ—A6420903152
- MERCEDES-BENZ—A6420904852
- MERCEDES-BENZ—A6420905352
- MERCEDES-BENZ—A6420906052
- MERCEDES-BENZ—A6420906352
Where this part fits
Original-fit position for OE 6420906052.
About this product
The PURFLUX Fuel Filter (FCS797) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Height [mm]: 124 mm, Diameter 3 [mm]: Carbon mm, Diameter 4 [mm]: Brass mm, Outer Diameter [mm]: 86 mm, Filter type: Stainless Steel. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit INFINITI, MERCEDES-BENZ models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 100470, 100471, 16401HG00A, 1643625780 and 35 more. Matching these numbers confirms a like-for-like replacement with no loss of function. PURFLUX is a recognised supplier of automotive filtration components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Suitable cars
Equivalent products (28)
Show all 28 OE numbers
Fuel Filter PURFLUX FCS797 — compatible car models
| Car models | INFINITI: Q30, QX30; MERCEDES-BENZ: A-CLASS (W176), B-CLASS Sports Tourer (W246, W242), C-CLASS Coupe (C204), C-CLASS T-Model (S204), C-CLASS (W204), CLA Coupe (C117), CLA Shooting Brake (X117), CLS (C218), CLS Shooting Brake (X218), E-CLASS All-Terrain (S213) (+18 more) |
|---|---|
| Engines | 2.2 D; 2.2 D AWD; A 180 CDI (176.000); B 180 (246.242); C 220 CDI (204.302); C 220 CDI (204.202); C 220 CDI (204.002); CLA 200 CDI (117.301); CLA 200 CDI / d (117.908); CLS 350 BlueTEC / d (218.326); CLS 350 BlueTEC / d (218.926); E 350 d 4-matic (213.237); E 350 BlueTEC (207.426); E 350 d 4-matic (238.434); E 350 BlueTEC (207.326) (+15 more) |
| Year of manufacture | 1989-2023 |
| Manufacturer article number (MPN) | FCS797 |
| OE part numbers | 16401HG00A, 6420903152, 6420904852, 6420904952, 6420905352, 6420906052, 6420906352, A6420903152, A6420904852, A6420905352, A6420906052, A6420906352 |
Compatibility check
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Please wait while we load vehicle compatibility information.Description and what's included
PURFLUX fcs797 . Diameter 3 [mm]: 8 mm. Diameter 4 [mm]: 10 mm. Filter type: 9. Height [mm]: 124 mm. Outer Diameter [mm]: 86 mm
- 1x Fuel Filter
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — ships the next working day
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Fuel Filter compatible with my car?
This Fuel Filter fits INFINITI, MERCEDES-BENZ vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this PURFLUX Fuel Filter have?
This PURFLUX Fuel Filter has the following specifications: Height [mm]: 124 mm; Diameter 3 [mm]: 8 mm; Diameter 4 [mm]: 10 mm; Outer Diameter [mm]: 86 mm; Filter type: 9. Check the full specifications table above for complete details.
What OE part numbers does this Fuel Filter replace?
This Fuel Filter replaces OE part numbers: 16401HG00A, 6420903152, 6420904852, 6420904952, 6420905352, 6420906052, 6420906352, A6420903152 and 4 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Fuel Filter cost?
This PURFLUX Fuel Filter is available for £83.99. Fuel Filter prices vary depending on brand, specifications, and vehicle compatibility. PURFLUX parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Fuel Filter?
Signs include difficulty starting, engine stalling, hesitation during acceleration, reduced fuel economy, or the check engine light illuminating.
What tools do I need to replace a Fuel Filter?
Tools needed: fuel line quick-release disconnect tools (plastic clip set), drip tray, fuel-safe gloves, new filter with fittings. Difficulty: Moderate DIY. Safety warning: Relieve fuel system pressure before opening any line (run engine until it stalls or use the Schrader valve if present). No open flames or sparks -- petrol vapour is highly flammable.
Can I use this part as a replacement for OE 16401HG00A?
Yes, this PURFLUX Fuel Filter is a direct replacement for OE part number 16401HG00A. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the PURFLUX FCS797 the same as the PURFLUX C112?
No, while both are Fuel Filter parts, they are different products. The PURFLUX FCS797 has Height [mm]: 124 mm, Diameter 3 [mm]: 8 mm, Diameter 4 [mm]: 10 mm. The PURFLUX C112 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
