×
Contact Us Live Chat or 1-888-737-9766
My Garage
My Account
Cart
Search Bar
Search by Part Number, Part Name, or Vehicle
Track Order Help Center
Make sure this part fits

Chevrolet 8638922 Body Asm,Automatic Transmission Oil Pump

1982-1987 Chevrolet

Customer Questions & Expert Answers (24)
GM 8638922 Body Asm,Automatic Transmission Oil Pump
GM 8638922 Body Asm,Automatic Transmission Oil Pump
  • Part Description
    BODY, Transmission Oil Pump
  • 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 Chevrolet
    Manufacturer Part Number8638922
    Part DescriptionBODY, Transmission Oil Pump
    Item Weight7.20 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU8638922
    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
    1982-1983 Chevrolet Camaro4 Cyl 2.5L, 6 Cyl 2.8L, 8 Cyl 5.0L2 DOOR, 4 DOOR
    1984-1987 Chevrolet Caprice6 Cyl 3.8L, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 5.7L Diesel4 DOOR, BROUGHAM 4 DOOR, CLASSIC 2 DOOR, CLASSIC 4 DOOR, CLASSIC STATION WAGON, STATION WAGON
    1982-1984 Chevrolet Chevette4 Cyl 1.6L, 4 Cyl 1.8L Diesel2 DOOR, 4 DOOR, CS 2 DOOR, CS 4 DOOR, SCOOTER 2 DOOR, SCOOTER 4 DOOR
    1982-1987 Chevrolet El Camino6 Cyl 3.8L, 6 Cyl 4.3L, 8 Cyl 4.4L, 8 Cyl 5.0L, 8 Cyl 5.7L DieselCLASSIC 4 DOOR, CLASSIC STATION WAGON, EL CAMINO, MONTE CARLO
    1984-1985 Chevrolet Impala6 Cyl 3.8L, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 5.7L Diesel4 DOOR, CLASSIC 2 DOOR, CLASSIC 4 DOOR, CLASSIC STATION WAGON
    1982-1983 Chevrolet Malibu6 Cyl 3.8L, 6 Cyl 4.3L Diesel, 8 Cyl 4.4L, 8 Cyl 5.0L, 8 Cyl 5.7L DieselCLASSIC 4 DOOR, CLASSIC STATION WAGON, EL CAMINO, MONTE CARLO
    1982-1987 Chevrolet Monte Carlo6 Cyl 3.8L, 6 Cyl 4.3L, 6 Cyl 4.3L Diesel, 8 Cyl 4.4L, 8 Cyl 5.0L, 8 Cyl 5.7L DieselCLASSIC 4 DOOR, CLASSIC STATION WAGON, EL CAMINO, MONTE CARLO
    1982-1984 Chevrolet S104 Cyl 1.9L, 4 Cyl 2.0L, 4 Cyl 2.2L Diesel, 6 Cyl 2.8L2 DOOR, PICKUP

  • Customer Questions & Expert Answers

    Q:
    Do these parts fit my vehicle? Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 8638922 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    How do you remove the pressure regulator valve during the overhaul for the 1980 Buick Skylark? Posted by Customer
    A:
    Remove the pressure regulator valve retaining pin using needle-nose pliers, followed by the regulator valve and its related parts.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Oil Pump
    Q:
    What should be done after removing the necessary bolts for the 1985 Buick Skylark? Posted by Customer
    A:
    Lift off the oil pump and screen as an assembly.
    Posted by GMPartsGiant Specialist
    Q:
    What should be done with the gears after removal for the 1986 Buick Regal? Posted by Customer
    A:
    They should be cleaned and inspected for any defects.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Oil Pump
    Q:
    Where is the oil pump located in the 1987 Buick Century? Posted by Customer
    A:
    It is located in the timing chain cover and connected to the oil screen housing and pipe assembly in the oil pan.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Oil Pump
    Q:
    What is the final step in the process for the 1984 Pontiac Firebird? Posted by Customer
    A:
    Reinstall the oil pan.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Oil Pump
    Q:
    What is the order of reassembly for the oil pump components for the 1995 Oldsmobile Cutlass? Posted by Customer
    A:
    Install the pressure regulator valve and related parts, followed by the drive gear and shaft in the pump body, and then the idler gear with the smooth side facing the pump cover opening, lubricating the parts with engine oil.
    Posted by GMPartsGiant Specialist
    Q:
    What should be checked on the drive gear shaft and pump cover for the 1986 Chevrolet Caprice? Posted by Customer
    A:
    Check the drive gear shaft for looseness in the pump body and inspect the inside of the pump cover for wear that could allow oil leakage.
    Posted by GMPartsGiant Specialist
    Q:
    What is the acceptable clearance for the oil pump for the 1977 Chevrolet Caprice? Posted by Customer
    A:
    The oil pump clearance should be between 0.0025 to 0.0050 inches; if it exceeds 0.0050 inches, measure the gears and pocket to find the issue.
    Posted by GMPartsGiant Specialist
    Q:
    What should be checked regarding the oil pump screen during installation for the 1985 Chevrolet Caprice? Posted by Customer
    A:
    Ensure that the oil pump screen is parallel with the oil pan rails for proper fitting into the oil pan.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Oil Pump
    Q:
    What should be checked regarding the oil pump screen during installation for the 1978 Chevrolet El Camino? Posted by Customer
    A:
    Ensure the oil pump screen is parallel with the oil pan rails for proper fitment into the oil pan.
    Posted by GMPartsGiant Specialist
    Q:
    What condition should the filter by-pass valve be in for the 1979 Chevrolet Caprice? Posted by Customer
    A:
    Ensure the filter by-pass valve is flat and free of nicks, cracks, warping, or scratches.
    Posted by GMPartsGiant Specialist
    Q:
    What is the order of installation for the components during reassembly for the 1982 Chevrolet El Camino? Posted by Customer
    A:
    Install the pressure regulator valve and related parts first, followed by the drive gear and shaft in the pump body, then the idler gear with the smooth side facing the pump cover opening, lubricating the parts with engine oil.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Oil Pump
    Q:
    What should be done after installing the pump cover assembly for the 1978 Chevrolet El Camino? Posted by Customer
    A:
    Install the oil filter and check the oil level with the dipstick.
    Posted by GMPartsGiant Specialist
    Q:
    What should be inspected on the relief valve for the 1987 Chevrolet El Camino? Posted by Customer
    A:
    Inspect the relief valve for wear and scoring, and check that the relief valve spring is not collapsed or worn on its side.
    Posted by GMPartsGiant Specialist
    Q:
    Why is it important to ensure petroleum jelly fills every cavity of the gear pocket and between the teeth for the 1993 Oldsmobile Cutlass? Posted by Customer
    A:
    The pump may not prime without it.
    Posted by GMPartsGiant Specialist
    Q:
    What should be checked regarding the oil pump screen during installation for the 1993 Oldsmobile Cutlass? Posted by Customer
    A:
    Ensure that the oil pump screen is parallel with the oil pan rails for proper fitting into the oil pan.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Oil Pump
    Q:
    What final steps should be taken after reassembly for the 1980 Oldsmobile Omega? Posted by Customer
    A:
    Finally, install the cover and torque tighten the screws. Then, turn the driveshaft to ensure that the pump operates freely.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Oil Pump
    Q:
    What is the next step after removing the screws for the 1990 Oldsmobile Cutlass? Posted by Customer
    A:
    Remove the cover assembly and slide out the oil pump gear.
    Posted by GMPartsGiant Specialist
    Q:
    What is the order of reassembly for the oil pump components for the 1981 Pontiac Phoenix? Posted by Customer
    A:
    Install the pressure regulator valve and related parts first, followed by the drive gear and shaft in the pump body, then the idler gear with the smooth side toward the pump cover opening, lubricating the parts with engine oil.
    Posted by GMPartsGiant Specialist
    Q:
    What should be done after removing the necessary bolts for the 1983 Oldsmobile Omega? Posted by Customer
    A:
    Lift off the oil pump and screen as an assembly.
    Posted by GMPartsGiant Specialist
    Q:
    What is the first step in the installation process for the 1983 Pontiac Firebird? Posted by Customer
    A:
    For installation, align the shaft to mate with the oil pump driveshaft tang.
    Posted by GMPartsGiant Specialist
    Q:
    What is the final step in the process for the 1985 Pontiac Firebird? Posted by Customer
    A:
    Reinstall the oil pan.
    Posted by GMPartsGiant Specialist
    Q:
    What is the next step for L4 engines after positioning the oil pump for the 1982 Pontiac Phoenix? Posted by Customer
    A:
    Install the oil pump screen bracket over the main bearing cap bolt and secure it with the nut.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Oil Pump
    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 8638922, the Right Choice

To ensure reliability, purchase GM part # 8638922 Body Asm,Automatic Transmission Oil Pump. It is sometimes referred to as Chevrolet Oil Pump. 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 Chevrolet Camaro, Chevette, S10 models.

GMPartsGiant.com is a leading supplier of genuine GM parts and accessories such as GM 8638922 Body Asm,Automatic Transmission Oil Pump. 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.

Why choose GM Parts Giant

  • Dedicated Service

    Your complete satisfaction is our #1 goal

  • Lowest Prices

    Best deals on genuine OE parts from dealerships

  • Fast Delivery

    Orders are processed and delivered promptly