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| Management number | 212947726 | Release Date | 2026/04/12 | List Price | $47.02 | Model Number | 212947726 | ||
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The ACDelco GM Original Equipment Power Brake Booster Vacuum Pump uses engine vacuum and atmospheric pressure to increase hydraulic pressure in the master cylinder to provide power assist. This pump is the GM recommended replacement for your vehicle’s original components. These original equipment power brake booster vacuum pumps have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

| Brand | GM GENUINE PARTS |
|---|---|
| Model | Pump Asm-P/B Boos |
| Exterior | Machined |
| Item Weight | 2.44 pounds |
| Manufacturer | ACDelco |
| OEM Part Number | 55488984 |
| Item model number | 55488984 |
| Product Dimensions | 6 x 7 x 6 inches |
| Manufacturer Part Number | 55488984 |
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