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GM 12557825 Valve Assembly, Secondary Air Injection Shutoff

1998-2001 GM

Customer Questions & Expert Answers (2)
12557825 GM Valve Assembly, Secondary Air Injection Shutoff
  • Part Description
    VALVE, Emission Control System
  • 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 Number12557825
    Part DescriptionVALVE, Emission Control System
    ConditionNew
    ManufacturerGeneral Motors
    SKU12557825
    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
    1999-2000 Cadillac Escalade8 Cyl 5.7L1/2 TON, 4 DOOR 1/2 TON, CLASSIC 4 DOOR 1/2 TON, YUKON/DENALI/ESCALADE
    2001 Chevrolet Express6 Cyl 4.3L, 8 Cyl 5.7L1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS
    1998-1999 Chevrolet Suburban8 Cyl 5.7L1/2 TON
    1998-2000 Chevrolet Tahoe8 Cyl 5.7LCLASSIC 4 DOOR 1/2 TON
    2001 GMC Savana6 Cyl 4.3L, 8 Cyl 5.7L1/2 TON CARGO SAVANA, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER SAVANA
    1998-1999 GMC Suburban8 Cyl 5.7L1/2 TON
    1998-2000 GMC Yukon8 Cyl 5.7LCLASSIC 2 DOOR 1/2 TON, CLASSIC 4 DOOR 1/2 TON
  • Customer Questions & Expert Answers

    Q:
    I'm wondering if this is complete and correct part for my vehicle.
    A:
    You can Select Your Vehicle to check if 12557825 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What is the purpose of the Secondary Air Injection Check Valve in the AIR system for the 2001 Chevrolet Express? Posted by Mariusz Z.
    A:
    The check valves prevent the backflow of exhaust gases into the AIR system. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Julian / Feb 23, 2022

Genuine GM Part 12557825, the Right Choice

To ensure reliability, purchase GM part # 12557825 Valve Assembly, Secondary Air Injection Shutoff. 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 Cadillac Escalade models. It fits Chevrolet Express, Suburban, Tahoe. It also fits GMC Savana, Suburban, Yukon.

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