Accessory belt tensioner 55569399

Description

Accessory belt tensioner by GM, catalog number 55569399. Confirmed catalog fitment: Opel ASTRA J GTC (2011–2018), Opel ASTRA K (2015–2022), Opel ASTRA K (2015–2022), Opel ASTRA K (2015–2022), Opel ASTRA J 69 (2012–2015) and other body variants. For an accurate match, compare the number and identification with the removed part and confirm the vehicle specification by VIN. The fitment list is a reference and does not replace a vehicle-specific compatibility check.

DRIVE BELT TENSIONER

A drive belt tensioner is an engine accessory component designed to maintain proper tension of the auxiliary drive belt. It ensures stable operation of the alternator, power steering pump, air conditioning compressor, water pump, and other belt-driven systems.

The tensioner is mounted at the front of the engine and works together with the accessory belt, pulleys, alternator, pumps, and AC compressor. Depending on design, it may be mechanical, spring-loaded, or hydraulic, and is often supplied as an assembly with a pulley.

A faulty tensioner may cause belt squeal, vibration, uneven operation of accessories, abnormal noise, belt misalignment, accelerated pulley wear, or belt breakage.

Our catalog includes drive belt tensioners for many vehicle brands. Available options include genuine factory accessory drive components, reliable aftermarket replacements, and tested used tensioners without critical wear. Assemblies with pulley, versions for different engines, and configurations for various belt drive systems are available.

Used parts are inspected for housing condition, absence of excessive play, pulley wear, bearing quality, and mechanism performance.

Selection is available by VIN number, engine code, belt drive configuration, part number, and vehicle year. Replacing a worn belt tensioner restores proper accessory operation and extends belt service life.

Compatibility

Fits 10 vehicles

Nothing found

About the manufacturer · GM

GM (General Motors) is one of the largest automotive corporations in the world, founded in 1908 in the United States by entrepreneur William C. Durant. The company объединяет several well‑known automotive brands includin...

GM (General Motors) is one of the largest automotive corporations in the world, founded in 1908 in the United States by entrepreneur William C. Durant. The company объединяет several well‑known automotive brands including Chevrolet, GMC, Cadillac and Buick and is a major manufacturer of vehicles, powertrains and genuine automotive components. Under the GM brand a wide range of original spare parts and components is produced for vehicles of the group, including engine parts, cooling system components, transmission elements, suspension parts, braking systems, electronic modules, sensors, fuel system components and body parts. Genuine GM parts are developed according to factory technical specifications and undergo strict quality control at every stage of production. This ensures precise compatibility with GM vehicles, reliable operation of vehicle systems and preservation of factory performance characteristics. According to feedback from vehicle owners and automotive service professionals, GM genuine components are known for consistent manufacturing quality, solid reliability and long service life. Many users report precise fitment without the need for modifications and stable vehicle performance after replacing components. The most commonly mentioned drawback is the relatively higher price compared with some aftermarket alternatives, although many vehicle owners consider genuine GM parts a justified choice due to their reliability, durability and compliance with manufacturer standards.

Additional information

Accessory belt tensioner by GM, catalog number 55569399, is listed for vehicle repair or maintenance. The catalog identifies the item as “Accessory belt tensioner”. Confirmed catalog fitment: Opel ASTRA J GTC (2011–2018), Opel ASTRA K (2015–2022), Opel ASTRA K (2015–2022), Opel ASTRA K (2015–2022), Opel ASTRA J 69 (2012–2015), Opel Cascada W13 (2013–2019) and other body variants. Fitment is based on the catalog links between the part and vehicle bodies. It helps narrow the search, but final compatibility must be confirmed for the exact vehicle specification. The primary ordering references are part number 55569399 and manufacturer GM. Parts can differ within the same vehicle model by production year, engine, transmission, installation side, or position. Before purchase, compare the number and identification with the removed component and verify body, year, and specification by VIN. Also compare appearance, connectors, mountings, dimensions, and included items whenever those details are relevant to this part.

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