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Buick 25036378 Switch Package, Oil Pressure

1982-1990 Buick

Customer Questions & Expert Answers (2)
25036378 GM Switch Package, Oil Pressure Illustration 1 of 1
  • Part Description
    SWITCH KIT
  • 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 Number25036378
    Part DescriptionSWITCH KIT
    Other NamesOil Pressure Sending Unit, Oil Pressure Switch
    Item Dimensions3.3 x 1.5 x 1.5 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU25036378
    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
    1982-1990 Buick Century4 Cyl 2.5L, 6 Cyl 3.8LCUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR
    1985-1988 Buick Electra6 Cyl 3.0L, 6 Cyl 3.8L2 DOOR, 4 DOOR, COUPE 2 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR, SEDAN 4 DOOR, T-TYPE COUPE 2 DOOR, T-TYPE SEDAN 4 DOOR
    1986 Buick Lesabre6 Cyl 3.8LCUSTOM 2 DOOR, CUSTOM 4 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR
    1984-1987 Buick Regal6 Cyl 3.8L2 DOOR, 4 DOOR, REGAL
    1984-1985 Buick Riviera6 Cyl 3.8LCONVERTIBLE COUPE, RIVIERA, T TYPE
    1982-1985 Buick Skylark4 Cyl 2.5L2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR
  • Customer Questions & Expert Answers

    Q:
    I would like to confirm if this is the correct part number for my vehicle. Please advise. Thank you.
    A:
    You can Select Your Vehicle to check if 25036378 fits your vehicle.
    Posted and answered by GM Parts Specialist Henry
    Q:
    What should be done after installing the Oil Pressure Switch for the 4.6L engine for the 1991 Cadillac Fleetwood? Posted by Abiah K.
    A:
    After installation, lower the vehicle and check for leaks. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Feb 22, 2026

Genuine GM Part 25036378, the Right Choice

To ensure reliability, purchase GM part # 25036378 Switch Package, Oil Pressure. It is sometimes referred to as Buick Oil Pressure Switch. 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, Lesabre, Regal models.

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