Description
Vacuum pump by GM, catalog number 55578091. Confirmed catalog fitment: Buick Cascada (2015+), Opel ASTRA J (2009–2016), Opel ASTRA J GTC (2011–2018), Opel ASTRA K (2015–2022), Opel ASTRA K (2015–2022) 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.
A vacuum pump is an engine and auxiliary system component designed to generate vacuum in the vehicle’s vacuum circuit. It supports operation of the brake booster, turbo control system, EGR valves, intake flaps, and other vacuum-driven components.
The pump is mounted on the engine and is driven by the camshaft, gears, or an independent drive system. It works together with the braking system, turbo control mechanisms, vacuum valves, actuators, and vacuum lines.
A faulty vacuum pump may cause increased brake pedal effort, reduced turbo performance, unstable engine behavior, system warning lights, or abnormal engine noise.
Our catalog includes vacuum pumps for many vehicle brands. Available options include genuine factory vacuum system components, reliable aftermarket replacements, and tested used pumps without critical wear. Mechanical and combined pumps, versions for petrol and diesel engines, and models with different drive types and sensor configurations are available.
Used parts are inspected for sealing quality, housing condition, absence of excessive play, drive wear, and operational performance.
Selection is available by VIN number, engine code, drive type, part number, and vehicle year. Replacing a faulty vacuum pump restores braking assistance and proper operation of vacuum-controlled systems.
Compatibility
Fits 14 vehicles
Nothing found
Which car this part came from
Photos, VIN and details of the donor car.
- VIN
- W04WT3N58GG112788
- Make
- Buick
- Model
- Cascada
- Body type
- convertible
- Year
- 2016
- Engine
- 1.6 L · petrol · LWC
- Gearbox
- automatic
- Drive
- front-wheel
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...
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...