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Details
| Specification | Value |
|---|---|
| Brand | HENGST FILTER |
| MPN | as820md850 |
OE numbers (6)
Search by this OE number to find compatible parts
- VAG—06F 129 101 F
- VAG—06F 129 101 K
- VAG—06F 129 101 L
- VAG—06F 129 101 N
- VAG—06F 129 101 Q
- VAG—06F 129 101 R
Where this part fits
Original-fit position for OE 06F129101R. The red ring marks where this part installs on the vehicle.
About this product
HENGST FILTER Oil Separator Crankcase Ventilation (AS820M D850) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Filter type: 20 — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with AUDI, SEAT, SKODA, VW vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 053-028-051, 06F 129 101 F, 06F 129 101 K, 06F 129 101 L and 12 more. Matching these numbers confirms a like-for-like replacement with no loss of function. HENGST FILTER is a recognised supplier of automotive replacement 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 (10)
Oil Separator Crankcase Ventilation HENGST FILTER AS820M D850 — compatible car models
| Car models | AUDI: A3 (8P1), A3 Sportback (8PA), A4 B7 (8EC), A4 B7 Avant (8ED), A4 B7 Convertible (8HE), A6 C6 (4F2), A6 C6 Avant (4F5), TT (8J3), TT Roadster (8J9); SEAT: ALTEA (5P1), ALTEA XL (5P5, 5P8), EXEO (3R2), EXEO ST (3R5), LEON (1P1), TOLEDO III (5P2); SKODA: OCTAVIA II (1Z3), OCTAVIA II Combi (1Z5); VW: EOS (1F7, 1F8), GOLF V (1K1), GOLF VI (5K1), GOLF V Variant (1K5), JETTA III (1K2), PASSAT B6 (3C2), PASSAT B6 Variant (3C5) |
|---|---|
| Engines | 2.0 TFSI; 2.0 TFSI 16V; 2.0 Cupra R; 2.0 GTI; 2.0 GTi |
| Year of manufacture | 2002-2015 |
| Manufacturer article number (MPN) | AS820M D850 |
| OE part numbers | 06F 129 101 F, 06F 129 101 K, 06F 129 101 L, 06F 129 101 N, 06F 129 101 Q, 06F 129 101 R |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
HENGST FILTER as820md850 . Filter type: 20
- 1x Oil Separator Crankcase Ventilation
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 Oil Separator Crankcase Ventilation compatible with my car?
This Oil Separator Crankcase Ventilation 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 HENGST FILTER Oil Separator Crankcase Ventilation have?
This HENGST FILTER Oil Separator Crankcase Ventilation has the following specifications: Filter type: 20. Check the full specifications table above for complete details.
What OE part numbers does this Oil Separator Crankcase Ventilation replace?
This Oil Separator Crankcase Ventilation replaces OE part numbers: 06F 129 101 F, 06F 129 101 K, 06F 129 101 L, 06F 129 101 N, 06F 129 101 Q, 06F 129 101 R. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Oil Separator Crankcase Ventilation cost?
This HENGST FILTER Oil Separator Crankcase Ventilation is available for £45.99. Oil Separator Crankcase Ventilation prices vary depending on brand, specifications, and vehicle compatibility. HENGST FILTER parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Oil Separator Crankcase Ventilation?
Regular inspection of your Oil Separator Crankcase Ventilation is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Oil Separator Crankcase Ventilation?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Oil Separator Crankcase Ventilation fitted by a professional mechanic.
Can I use this part as a replacement for OE 06F 129 101 F?
Yes, this HENGST FILTER Oil Separator Crankcase Ventilation is a direct replacement for OE part number 06F 129 101 F. 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 HENGST FILTER AS820M D850 the same as the HENGST FILTER AS354M02?
No, while both are Oil Separator Crankcase Ventilation parts, they are different products. The HENGST FILTER AS820M D850 has Filter type: 20. The HENGST FILTER AS354M02 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.
