Make sure this part fits

Buick 5638946 Vacuum Pump

1982-1987 Buick

Customer Questions & Expert Answers (2)
5638946 GM Vacuum Pump Illustration 1 of 1
  • Part Description
    Pump Assembly, Vacuum
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Buick
    Manufacturer Part Number5638946
    Part DescriptionVacuum Pump; Pump Assembly, Vacuum
    Item Dimensions7.2 x 4.5 x 4.5 inches
    Item Weight1.70 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU5638946
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    1982-1987 Buick Century4 Cyl 2.5LCUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR
    1982-1985 Buick Skylark4 Cyl 2.5L, 6 Cyl 2.8L2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR
  • Customer Questions & Expert Answers

    Q:
    I want to know whether this will fit my car.
    A:
    You can Select Your Vehicle to check if 5638946 fits your vehicle.
    Posted and answered by GM Parts Specialist Bob
    Q:
    Where is the electric Vacuum Pump mounted for the 1986 Buick Century? Posted by Denny O.
    A:
    The electric vacuum pump is mounted under the battery tray on the left-hand side of the vehicle. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Syed / Aug 25, 2024

Genuine GM Part 5638946, the Right Choice

To ensure reliability, purchase GM part # 5638946 Vacuum Pump. It is sometimes referred to as Buick Vacuum Pump. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Buick Century, Skylark models.

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