Accessory belt tensioner pulley A1772020019

Description

Accessory belt tensioner pulley by MERCEDES, catalog number A1772020019. Confirmed catalog fitment: Mercedes-Benz AMG GT C190 (2014–2021), Mercedes-Benz AMG GT C192 (2023+), Mercedes-Benz AMG GT R190 (2016–2022), Mercedes-Benz G W463 (1987+), Mercedes-Benz G W465 (2024+) 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.

BELT TENSIONER PULLEY. The belt tensioner pulley is a component of the engine accessory drive system designed to maintain proper tension of the serpentine or V-belt that drives the alternator, power steering pump, A⁠/⁠C compressor and other accessories. It consists of a pulley wheel with integrated bearing installed within an automatic or manual tensioner assembly. Proper operation compensates for belt wear and thermal expansion, preventing slippage and noise. Failure symptoms include squealing noise, vibration or premature belt wear. Our catalog includes genuine OEM tensioner pulleys, quality aftermarket replacements and inspected used units tested for smooth rotation and bearing integrity. Selection is based on VIN number, engine type and part number. Timely replacement ensures reliable accessory drive performance and reduced engine noise.

Compatibility

Fits 13 vehicles

Nothing found

About the manufacturer · MERCEDES

Mercedes‑Benz is a German premium automotive brand and one of the oldest automobile manufacturers in the world, with its history dating back to 1886 when Karl Benz created the first gasoline‑powered automobile. Today the...

Mercedes‑Benz is a German premium automotive brand and one of the oldest automobile manufacturers in the world, with its history dating back to 1886 when Karl Benz created the first gasoline‑powered automobile. Today the brand is part of Mercedes‑Benz Group and is recognized globally as a leading manufacturer of passenger cars, commercial vehicles and genuine automotive spare parts. Under the Mercedes‑Benz brand a wide range of original components is produced for the company’s vehicles, including engine parts, cooling system components, suspension elements, braking systems, transmission components, electronic modules, body parts and various maintenance and service items. Genuine Mercedes‑Benz parts are designed according to strict factory engineering standards and undergo comprehensive quality control throughout the production process. This ensures precise fitment, reliable performance and full compatibility with the vehicles they are intended for. According to feedback from car owners and automotive repair professionals, Mercedes‑Benz genuine parts are highly regarded for their excellent build quality, long service life and dependable operation even under demanding driving conditions. Many users also highlight the perfect fit and ease of installation of original components. The most frequently mentioned drawback is the relatively high price compared with many aftermarket alternatives, although many vehicle owners consider the cost justified due to the durability, safety and preservation of the vehicle’s original factory performance.

Additional information

Accessory belt tensioner pulley by MERCEDES, catalog number A1772020019, is listed for vehicle repair or maintenance. The catalog identifies the item as “Accessory belt tensioner pulley”. Confirmed catalog fitment: Mercedes-Benz AMG GT C190 (2014–2021), Mercedes-Benz AMG GT C192 (2023+), Mercedes-Benz AMG GT R190 (2016–2022), Mercedes-Benz G W463 (1987+), Mercedes-Benz G W465 (2024+), Mercedes-Benz GLE W167 (2018+) 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 A1772020019 and manufacturer MERCEDES. 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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