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Details
| Specification | Value |
|---|---|
| Brand | HEPU |
| MPN | 21-0478 |
OE numbers (2)
Search by this OE number to find compatible parts
- VW—03H 109 465
- VW—03H 109 465 A
Where this part fits
Original-fit position for OE 03H109465. The red ring marks where this part installs on the vehicle.
About this product
The HEPU Timing Chain Kit (21-0478) 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: Number of chain links: 70, Chain Type: Rubber, Chain Type: Steel. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit 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: 03H 109 465, 03H 109 465 A, 30109046503H, 30 94 9080 and 6 more. Matching these numbers confirms a like-for-like replacement with no loss of function. HEPU is a recognised supplier of automotive engine timing 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 (8)
Timing Chain Kit HEPU 21-0478 — compatible car models
| Car models | VW: PASSAT B7 (362), PASSAT B7 Variant (365), PHAETON (3D1, 3D2, 3D3, 3D4, 3D6, 3D7, 3D8, 3D9), TOUAREG (7P5, 7P6) |
|---|---|
| Engines | 3.6 FSI 4motion; 3.6 V6 4motion; 3.6 V6 FSI |
| Year of manufacture | 2002-2018 |
| Manufacturer article number (MPN) | 21-0478 |
| OE part numbers | 03H 109 465, 03H 109 465 A |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
HEPU 21-0478 . Chain Type: 1. Chain Type: 5. Number of chain links: 70
- 1x Timing Chain Kit
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 Timing Chain Kit compatible with my car?
This Timing Chain Kit 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 HEPU Timing Chain Kit have?
This HEPU Timing Chain Kit has the following specifications: Number of chain links: 70; Chain Type: 5; Chain Type: 1. Check the full specifications table above for complete details.
What OE part numbers does this Timing Chain Kit replace?
This Timing Chain Kit replaces OE part numbers: 03H 109 465, 03H 109 465 A. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Timing Chain Kit cost?
This HEPU Timing Chain Kit is available for £37.99. Timing Chain Kit prices vary depending on brand, specifications, and vehicle compatibility. HEPU parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Timing Chain Kit?
Replace the full kit — chain, tensioner, guides, and sprockets — when any one component shows wear. A rattling chain on startup, stretched links measured beyond spec, or oil pressure-related tensioner faults are all indicators.
What tools do I need to replace a Timing Chain Kit?
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 Timing Chain Kit fitted by a professional mechanic.
Can I use this part as a replacement for OE 03H 109 465?
Yes, this HEPU Timing Chain Kit is a direct replacement for OE part number 03H 109 465. 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.
