Make sure this part fits

GM 22050642 Valve Assembly, Check

1982-1993 GM

Customer Questions & Expert Answers (3)
22050642 GM Valve Assembly, Check Illustration 1 of 1
  • Part Description
    VALVE, Emission Control System
  • Replaces
    22099019
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number22050642
    Part DescriptionVALVE, Emission Control System
    Other NamesCheck Valve, Diverter Valve
    Item Dimensions3.5 x 2.6 x 2.2 inches
    Item Weight0.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces22099019
    ManufacturerGeneral Motors
    SKU22050642
    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
    1984-1986 Buick Century6 Cyl 2.8L, 6 Cyl 3.0LCUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR
    1982-1985 Buick Electra6 Cyl 3.0L, 8 Cyl 5.0L2 DOOR, 4 DOOR, COUPE 2 DOOR, ELECTRA ESTATE WAGON, LIMITED 2 DOOR, LIMITED 2 DOOR RWD, LIMITED 4 DOOR, LIMITED 4 DOOR RWD, SEDAN 4 DOOR, T-TYPE COUPE 2 DOOR, T-TYPE SEDAN 4 DOOR
    1982-1989 Buick Estate Wagon8 Cyl 5.0LCUSTOM 2 DOOR, CUSTOM 4 DOOR, ELECTRA ESTATE WAGON, ESTATE WAGON, LIMITED 2 DOOR, LIMITED 2 DOOR COLLECT SP EDIT, LIMITED 4 DOOR, LIMITED 4 DOOR COLLECT SP EDIT
    1988-1990, 1982-1985 Buick Lesabre8 Cyl 5.0LCUSTOM 2 DOOR, CUSTOM 4 DOOR, ELECTRA ESTATE WAGON, ESTATE WAGON, LIMITED 2 DOOR, LIMITED 2 DOOR COLLECT SP EDIT, LIMITED 4 DOOR, LIMITED 4 DOOR COLLECT SP EDIT
    1982-1987 Buick Regal6 Cyl 3.8L, 8 Cyl 5.0L2 DOOR, 4 DOOR, REGAL, STATION WAGON
    1982-1985 Buick Riviera8 Cyl 5.0LCONVERTIBLE COUPE, RIVIERA, T TYPE
    1982-1984 Buick Skyhawk4 Cyl 1.8L, 4 Cyl 2.0L2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR, LIMITED WAGON, STATION WAGON, T-TYPE 2 DOOR
    1983-1985 Buick Skylark6 Cyl 2.8L2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR
    1987-1988 Cadillac Allante8 Cyl 4.1LALLANTE
    1987-1990 Cadillac Brougham8 Cyl 5.0L, 8 Cyl 5.7LBROUGHAM 4 DOOR, BROUGHAM 4 DOOR RWD
    View More
  • 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 22050642 fits your vehicle.
    Posted and answered by GM Parts Specialist Henry
    Q:
    How does the AIR system, including the Secondary Air Injection Check Valve, achieve its purpose for the 1985 Buick Skylark? Posted by Vianka Y.
    A:
    The AIR system achieves its purpose by injecting air into the exhaust ports or catalytic converter. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Xavier / Aug 04, 2022
    Q:
    What maintenance is required for the AMS, including the Secondary Air Injection Check Valve, for the 1982 Buick Regal? Posted by Lue S.
    A:
    Regular checks for leaks, cracks, or deterioration in the check valves and hoses are essential. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jeremy / Jan 30, 2025

Genuine GM Part 22050642, the Right Choice

To ensure reliability, purchase GM part # 22050642 Valve Assembly, Check. It is sometimes referred to as GM Air Inject Check Valve, GM Diverter Valve, GM Secondary Air Injection Check 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, Lesabre, Regal models. It fits Cadillac Allante, Brougham, Deville. It also fits Chevrolet Blazer, Camaro, P30. This also fits GMC C2500, Suburban, Yukon.

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