Product overview
Genuine OEM Volkswagen Belt Tensioner, part number 03D903305F. This complete assembly is a vital part of the accessory drive system, responsible for automatically maintaining the correct tension on the serpentine belt. Proper belt tension is crucial for the efficient and reliable operation of engine accessories like the alternator, power steering pump, and air conditioning compressor. Constructed from durable metal and plastic components, it weighs approximately 0.737 kg. Installing a genuine OEM belt tensioner ensures optimal belt life, prevents slippage, and reduces noise, contributing to the overall longevity and smooth operation of the engine.
Catalogue entry: B TENSIONR.
Fitted with: N10683301 BOLT, 03D145933AG PLY-V-BELT, 03E260849A PLY-V-BELT.
Technical details
- Category
- Belts, Chains & Tensioners
- Country of origin
- Slovakia
- Customs (HS) code
- 85119000
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 13.5 × 10.8 × 7 cm
- Shipping weight
- 0.74 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- T70
PR codes identify the factory option a part belongs to; your vehicle’s are listed on the data sticker in the boot well or service booklet.
Why buy from WW Spares?
- ✓ Genuine OEM inventory sourced directly from factory networks
- ✓ Fitment support from workshop-seasoned parts specialists
- ✓ Global logistics with customs-ready documentation
Need help confirming compatibility? Talk to a specialist
Replaces older part numbers
This is the current manufacturer number. Older numbers on this road are no longer supplied.
- 03D903305BNot stocked
Aug 2004 - 03E903133Not stocked
May 2006 - 03E903133ANot stocked
Feb 2010 - 03E903133BNot stocked
Oct 2010 - 03D903305FThis pageCurrent number