Tensioner V Belt (Mercedes-Benz Sprinter / Viano/Vito W639) is an essential component in the accessory belt system of Mercedes-Benz vehicles, specifically designed for Sprinter, Viano, and Vito models within the W639 series. This part plays a critical role in maintaining the correct tension on the V belt that drives various engine accessories such as the alternator, power steering pump, and air conditioning compressor.
The tensioner belt ensures smooth operation and prevents slippage, which can lead to belt wear or failure. When comparing this unit to your existing setup, check the tensioner arm’s condition and the belt’s running tension. Replacing a worn tensioner along with the V belt can help maintain optimal belt drive performance and avoid unexpected breakdowns.
This listing is specifically for Mercedes-Benz vehicles in the Sprinter, Viano, and Vito range identified by the W639 chassis code. When searching for the correct part, confirm the model series and engine layout align with your vehicle’s details to ensure compatibility. If uncertain, consult the vehicle identification or ask the sales desk for advice.
- Category: V – Belt component
- Brand/Vehicle Group: Mercedes-Benz Sprinter range
- SKU Reference: BB-251679
Consider this tensioner as a direct replacement option to restore proper belt tension and maintain accessory function reliability within the specified Mercedes-Benz vehicle models.
Need help matching this item to your vehicle? Use more V – Belt, Vehicle Parts Finder or Request a Part with your VIN, engine number, part number or clear photos.