Make sure this part fits

Buick 25521841 Exhaust Valve

1985-1988 Buick

Customer Questions & Expert Answers (3)
25521841 GM Exhaust Valve Illustration 1 of 1
  • Part Description
    VALVE, Exhaust
  • 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 Number25521841
    Part DescriptionVALVE, Exhaust
    Other NamesExhaust Valve, Valve
    Item Dimensions5.3 x 2.1 x 2.2 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Require Quantity6
    ManufacturerGeneral Motors
    SKU25521841
    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
    1986-1988 Buick CenturyCUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR
    1986-1988 Buick Electra6 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 3.0L, 6 Cyl 3.8LCUSTOM 2 DOOR, CUSTOM 4 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR
    1986 Buick Riviera6 Cyl 3.8LRIVIERA, T TYPE
    1986-1988 Buick Skylark6 Cyl 3.0L2 DOOR, CUSTOM, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR, SKYLARK, SOMERSET, T-TYPE
    1985-1987 Buick Somerset6 Cyl 3.0L2 DOOR, CUSTOM, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR, REGAL, REGAL LIMITED, SOMERSET, T-TYPE
  • 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 25521841 fits your vehicle.
    Posted and answered by GM Parts Specialist Henry
    Q:
    What should be done after removing the Exhaust Valves during the valve reconditioning process for the 1987 Buick Century? Posted by Josh L.
    A:
    After removing the valves, they should be arranged numerically for reinstallation. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Oct 15, 2025
    Q:
    What should be done if significant pitting or burning is present on the Exhaust Valve of the 1988 Oldsmobile Cutlass? Posted by Yushkova O.
    A:
    If significant pitting or burning is present, the valve should be refaced by a dealer and the seat recut. If refacing reduces the valve head edge to below specifications, the valve must be replaced. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Syed / Oct 15, 2023

Genuine GM Part 25521841, the Right Choice

To ensure reliability, purchase GM part # 25521841 Exhaust Valve. It is sometimes referred to as Buick Exhaust Valve. 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, Electra, Lesabre models.

GMPartsGiant.com is a leading supplier of genuine GM parts and accessories such as GM 25521841 Exhaust Valve. You're certainly in the right place if you're searching for the great cost-effective OEM GM parts. Look no further than our vast inventory of genuine GM parts offered at unbeatable online prices, all of which are backed by the manufacturer's warranty. Not to forget, our hassle-free return policy and quick delivery service ensure a smooth shopping experience for you. For detailed Buick parts information, click here.
Find low prices on genuine OE parts from GM dealerships with fast delivery and dedicated service at GMPartsGiant.com.