# Belt Tensioner Assembly

Full listing title: Accessory Drive Belt Tensioner Assembly Direct Replacement Belt Tensioner Assembly with Pulley OEM Specification for Auto Mechanics

- SKU: DCD-10001557496
- Price: 46.69 USD (excludes sales tax; tax calculated at checkout). Price valid until 2026-10-31.
- Availability: In stock (20 available; up to 10 per order)
- Shipping: free standard shipping, United States only; delivered in 12-22 days from order (leaves the warehouse within 4 business days)
- Estimated delivery if ordered today (2026-10-01): 2026-10-13 to 2026-10-23
- Returns: 30 days from delivery for unused items in original packaging; customer pays return shipping unless the item is damaged, defective or not as described; refund to the original payment method within 5 business days of receiving the return (https://suntekstore.com/returns/)
- Category: Garage & Ride (Vehicles & Parts > Vehicle Parts & Accessories)
- Condition: new; brand: SuntekStore
- Package size: 20 x 15 x 12 cm (7.9 x 5.9 x 4.7 in)
- Weight: 1.90 kg (4.19 lb)
- Material: Metal, Plastic
- In the box: Belt Tensioner Pulley ×1
- Product size: 18.5 x 13 x 10.5 cm (7.3 x 5.1 x 4.1 in)
- Finish: Silver-gray metal
- Pulley: Black multi-rib pulley
- Mechanism: built-in tensioning mechanism
- Mounting: Mounting points
- Fastener: Central fastener

## Description

Product Identity: This belt tensioner assembly is a expertly crafted automotive part designed for accessory drive systems, featuring a cast-metal tensioner body, built-in mechanism, and matching part numbers 25182787 and 25192084 for verified fitment.
Core Function: As a dedicated belt tensioner, it maintains consistent, proper tension on the engine's accessory drive belt slippage, misalignment, and premature wear of the belt and connected pulleys during engine
Construction Features: This accessory drive tensioner boasts a silver-gray cast-metal body, a black multi-rib pulley for smooth belt touch, central fastener, and clearly defined mounting points for secure, stable installation.
Replacement Value: This belt tensioner with pulley serves as a direct, OEM-specification replacement unit, combining the tensioner mechanism and pulley in single-assembled package to save time and simplify repair work for both professionals and hobbyists.
Vehicle Compatibility: This belt tensioner assembly is engineered for use with compatible GM and Vauxhall compact sedan and SUV vehicles, renewing correct belt routing and tension to keep accessory systems running reliably under normal driving conditions.

When your car's accessory drive belt starts to slip, squeal, or show uneven wear, a worn tensioner is often the cause — and this belt tensioner assembly offers a reliable, complete solution to get your engine accessories running smoothly again. As a expertly crafted automotive part, it combines a cast-metal tensioner body, an built-in tensioning mechanism, and matching part numbers 25182787 and 25192084, so you can cross-reference your original part for a confident fit. At it rates, this belt tensioner does exactly what the name suggests: it applies stable, calibrated tension to the engine's accessory drive belt, keeping it properly seated on every pulley it travels across. By maintaining consistent tension, it reduces belt slippage under speed increase and load, cuts down on unwanted noise, and helps extend the service life of both the belt and the driven accessories. Built for durability, this accessory drive tensioner features a sturdy silver-gray cast-metal body that resists vibration and warm under the hood, paired with a black multi-rib pulley designed for smooth, low-friction touch with the belt. The assembly also includes a central fastener and clearly marked mounting points, so the structure feels solid and properly aligned once mountedFor anyone tackling under-hood maintenance, this belt tensioner with pulley is a practical time-efficient: instead of sourcing the tensioner body and pulley separately, you get a pre-assembled unit built to OEM specifications, ready to bolt into place. Whether you're an automotive technician working through a busy repair schedule or a DIY car owner handling routine maintenance at home, the single-assembly design simplifies the task reduces the chance of mismatched components. Formulated for specific vehicle applications, this belt tensioner assembly is suitable for select GM and Vauxhall compact sedan and SUV models. By renewing proper belt routing and tension, it helps ensure reliable performance from accessories like the alternator, water pump, and air conditioning compressor, drive per drive.

Option: Belt Tensioner

## How to buy

Open https://suntekstore.com/buy/DCD-10001557496?qty=1 (change qty to 1-10). It redirects to Stripe Checkout; the shopper enters a US shipping address and pays there. No account or cart needed.

## Links

- Product page: https://suntekstore.com/p/DCD-10001557496/
- JSON: https://suntekstore.com/products/DCD-10001557496.json
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- Store policies: https://suntekstore.com/llms.txt