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Details
| Specification | Value |
|---|---|
| Brand | ESEN SKV |
| MPN | 31skv409 |
| Weight [kg] | 0.11 kg |
OE numbers (2)
Search by this OE number to find compatible parts
- VAG / AUDI / SEAT / SKODA / VW—023 129 101
- VAG / AUDI / CUPRA / SEAT / SKODA / VW—23 129 101
Where this part fits
Original-fit position for OE 023129101. The red ring marks where this part installs on the vehicle.
About this product
When oil separator crankcase ventilation performance matters, the ESEN SKV 31SKV409 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Fitting Position: 74, Weight [kg]: 0, Bronze kg, Guarantee: Cast Iron. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with 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: 023 129 101, 023129101, 23 129 101, 23129101 and 10 more. Matching these numbers confirms a like-for-like replacement with no loss of function. ESEN SKV 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 (13)
Oil Separator Crankcase Ventilation ESEN SKV 31SKV409 — compatible car models
| Car models | VW: GOLF II (19E, 1G1), JETTA II (19E, 1G2, 165), LT 28-35 I Bus (281-363), LT 28-35 I Platform/Chassis (281-363), LT 28-35 I Van (281-363), LT 40-55 I Van (291-512), PASSAT B3/B4 (3A2, 35I), PASSAT B3/B4 Variant (3A5, 35I), TRANSPORTER T4 Bus (70B, 70C, 7DB, 7DK, 70J, 70K, 7DC, 7DJ), TRANSPORTER T4 Platform/Chassis (70E, 70L, 70M, 7DE, 7DL, 7D (+1 more) |
|---|---|
| Engines | 1.8; 2.4; 2.0; 2.4 D |
| Year of manufacture | 1975-2004 |
| Manufacturer article number (MPN) | 31SKV409 |
| OE part numbers | 023 129 101, 23 129 101 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
ESEN SKV 31skv409 . Fitting Position: 74. Guarantee: 3. Weight [kg]: 0,11 kg
- 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 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 ESEN SKV Oil Separator Crankcase Ventilation have?
This ESEN SKV Oil Separator Crankcase Ventilation has the following specifications: Fitting Position: 74; Weight [kg]: 0,11 kg; Guarantee: 3. 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: 023 129 101, 23 129 101. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Oil Separator Crankcase Ventilation cost?
Oil Separator Crankcase Ventilation prices vary depending on brand, specifications, and vehicle compatibility. Check the current price above for this ESEN SKV Oil Separator Crankcase Ventilation. All parts come with 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 023 129 101?
Yes, this ESEN SKV Oil Separator Crankcase Ventilation is a direct replacement for OE part number 023 129 101. 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.
