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Details
| Specification | Value |
|---|---|
| Brand | DELPHI |
| MPN | hdf661 |
| Diameter [mm] | 88 mm |
| Height [mm] | 131 mm |
OE numbers (2)
Search by this OE number to find compatible parts
- SEAT / SKODA / VAG / AUDI / VW—6C0 127 400
- AUDI / SKODA / VAG / VW / SEAT—6R0 127 400 C
Where this part fits
Original-fit position for OE 6C0127400. The red ring marks where this part installs on the vehicle.
About this product
The DELPHI Fuel Filter (HDF661) 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: Diameter [mm]: 88 mm, Height [mm]: 131 mm, Material: Plastic, Filter type: 23. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit AUDI, SEAT, SKODA, VW 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: 100 323 0025, 24.016.00, 4499-FP, 4975 and 26 more. Matching these numbers confirms a like-for-like replacement with no loss of function. DELPHI 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.
About DELPHI
Delphi Technologies, with roots dating back to 1994 as part of General Motors, is a globally recognised supplier of fuel injection, ignition, and engine management systems. Delphi specialises in diesel injectors, fuel pumps, ignition coils, lambda sensors, and engine management components. As an OE supplier to major manufacturers worldwide, Delphi products are engineered to original factory specifications. With deep expertise in both petrol and diesel fuel systems, Delphi is the professional's choice for precision engine and fuel system components.
Suitable cars
Equivalent products (30)
Show all 30 OE numbers
Fuel Filter DELPHI HDF661 — compatible car models
| Car models | AUDI: A1 (8X1, 8XK), A1 Sportback (8XA, 8XF); SEAT: IBIZA IV (6J5, 6P1), IBIZA IV Hatchback Van (6J1), IBIZA IV SC (6J1, 6P5), IBIZA IV ST (6J8, 6P8), TOLEDO IV (KG3); SKODA: FABIA II (542), FABIA II Combi (545), FABIA III Estate (NJ5), FABIA III (NJ3), FABIA III Praktik (NJ5), RAPID (NH3, NK3, NK6), RAPID Spaceback (NH1), ROOMSTER (5J7), ROOMSTER Praktik (5J); VW: POLO V (6R1, 6C1), POLO Van V (6R1, 6C1), XL1 (6Z1) |
|---|---|
| Engines | 1.4 TDI; 1.2 TDI; 1.2 TDi; 0.8 TDI E-Hybrid |
| Year of manufacture | 2006-2022 |
| Manufacturer article number (MPN) | HDF661 |
| OE part numbers | 6C0 127 400, 6R0 127 400 C |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
DELPHI hdf661 . Diameter [mm]: 88 mm. Filter type: 23. Height [mm]: 131 mm. Material: 6
- 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 AUDI, SEAT, SKODA, VW 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 DELPHI Fuel Filter have?
This DELPHI Fuel Filter has the following specifications: Diameter [mm]: 88 mm; Height [mm]: 131 mm; Material: 6; Filter type: 23. 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: 6C0 127 400, 6R0 127 400 C. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Fuel Filter cost?
This DELPHI Fuel Filter is available for £20.99. Fuel Filter prices vary depending on brand, specifications, and vehicle compatibility. DELPHI 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 6C0 127 400?
Yes, this DELPHI Fuel Filter is a direct replacement for OE part number 6C0 127 400. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
