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GM 22503678 Engine Exhaust Manifold

1982-1990 GM

Customer Questions & Expert Answers (8)
GM 22503678 Engine Exhaust Manifold
GM 22503678 Engine Exhaust Manifold
  • Part Description
    Manifold, Engine Exhaust Manifold
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers

  • Related Parts

    Shop for related parts for your vehicle

  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number22503678
    Part DescriptionManifold, Engine Exhaust Manifold
    Other NamesExhaust Manifold, Manifold
    Item Dimensions17.3 x 6.1 x 5.3 inches
    Item Weight10.60 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU22503678
    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
    1982-1989 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 Regal8 Cyl 5.0L2 DOOR, 4 DOOR, REGAL, STATION WAGON
    1982-1985 Buick Riviera8 Cyl 5.0LCONVERTIBLE COUPE, RIVIERA, T TYPE
    1987-1990 Cadillac Brougham8 Cyl 5.0LBROUGHAM 4 DOOR, BROUGHAM 4 DOOR RWD
    1986 Cadillac Fleetwood8 Cyl 5.0LBROUGHAM 4 DOOR RWD
    1986-1990 Chevrolet Caprice8 Cyl 5.0L4 DOOR, BROUGHAM 4 DOOR, CLASSIC 2 DOOR, CLASSIC 4 DOOR, CLASSIC STATION WAGON, STATION WAGON
    1986-1987 Chevrolet El CaminoEL CAMINO, MONTE CARLO
    1986-1987 Chevrolet Monte CarloEL CAMINO, MONTE CARLO
    1982-1990 Oldsmobile Custom Cruiser8 Cyl 5.0L2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 4 DOOR, BROUGHAM LS 4 DOOR, RWD, STATION WAGON
    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. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 22503678 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    What are the steps for exhaust manifold removal and installation on the 1986 Buick Regal? Posted by Customer
    A:
    The steps for exhaust manifold removal on these Buick engines involve raising the car, disconnecting the exhaust crossover pipe, removing various components depending on the specific side you're working on, and then removing the manifold-to-cylinder head bolts. Installation follows in reverse order, using lockbolts.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What is the first step in the process for the 1986 Chevrolet Caprice? Posted by Customer
    A:
    Raise the vehicle and support it on jack stands, then disconnect the battery ground cable.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be done if the engine has been removed from the car for the 1986 Chevrolet Caprice? Posted by Customer
    A:
    If the engine has been removed from the car, disregard the following steps which do not apply.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    How should spark plug wires be removed for the 1987 Chevrolet El Camino? Posted by Customer
    A:
    Mark each spark plug wire with a strip of coded tape (numbered 1-8) before removing them, ensuring to pull on the rubber boot and not the wire itself to avoid mixing up the order.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What additional components need to be disconnected for the 1986 Chevrolet El Camino? Posted by Customer
    A:
    Disconnect the EFE pipe (231) and remove the carburetor heat stove pipe on the 200/229 engine.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What are the steps for removing the left-hand manifold with a 260, 305, or 350 cu in engine for the 1987 Oldsmobile Cutlass? Posted by Customer
    A:
    1. Disconnect the negative battery cable. 2. Remove the air cleaner assembly, hot-air pipe, and hot-air shroud. 3. Remove the generator or air conditioning brackets where they attach to the exhaust manifold. 4. Disconnect the exhaust pipe where it connects to the exhaust manifold flange, using penetrating oil if needed. 5. Pry back the metal retainers from the bolt heads. 6. Remove each of the bolts securing the exhaust manifold. 7. Remove the manifold from above, noting that on some late models it may be necessary to disconnect the intermediate shaft of the steering column for better access.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What is the next step after handling the spark plug wires for the 1984 Oldsmobile Cutlass? Posted by Customer
    A:
    Disconnect the EFE pipe and remove the exhaust manifold bolts along with the manifold.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 22503678, the Right Choice

To ensure reliability, purchase GM part # 22503678 Engine Exhaust Manifold. It is sometimes referred to as GM Exhaust Manifold. 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 Lesabre, Regal, Riviera models. It fits Cadillac Brougham, Fleetwood. It also fits Chevrolet Caprice, El Camino, Monte Carlo. This also fits Pontiac Parisienne, Safari.

GMPartsGiant.com is a leading supplier of genuine GM parts and accessories such as GM 22503678 Engine Exhaust Manifold. 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 Chevrolet parts information, click here.

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