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GM 8646939 PUMP, Transmission Oil Pump

1984-1986 GM

Customer Questions & Expert Answers (2)
GM 8646939 PUMP, Transmission Oil Pump
  • Part Description
    PUMP, 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
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number8646939
    Part DescriptionPUMP, Transmission Oil Pump
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU8646939
    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 Century4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 3.0L, 6 Cyl 3.8L, 6 Cyl 4.3L DieselCUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR
    1985-1986 Buick Electra6 Cyl 3.0L, 6 Cyl 3.8L, 6 Cyl 4.3L Diesel, 8 Cyl 5.0L2 DOOR, 4 DOOR, COUPE 2 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
    1985-1986 Cadillac Deville6 Cyl 4.3L Diesel, 8 Cyl 4.1L2 DOOR, 4 DOOR, BROUGHAM 2 DOOR FWD, BROUGHAM 4 DOOR FWD, FUNERAL COACH, LIMOUSINE 4 DOOR, LIMOUSINE 4 DOOR CTR PART
    1985-1986 Cadillac Fleetwood6 Cyl 4.3L Diesel, 8 Cyl 4.1L, 8 Cyl 5.0L, 8 Cyl 5.7L Diesel2 DOOR, 4 DOOR, BROUGHAM 2 DOOR FWD, BROUGHAM 4 DOOR FWD, FUNERAL COACH, LIMOUSINE 4 DOOR, LIMOUSINE 4 DOOR CTR PART
    1984-1986 Chevrolet Celebrity4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 4.3L Diesel2 DOOR, 4 DOOR, STATION WAGON
    1985-1986 Oldsmobile 986 Cyl 3.0L, 6 Cyl 3.8L, 6 Cyl 4.3L DieselREGENCY 2 DOOR, REGENCY 4 DOOR, REGENCY BROUGH 2 DOOR, REGENCY BROUGH 4 DOOR
    1984-1986 Oldsmobile Cutlass4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 3.0L, 6 Cyl 3.8L, 6 Cyl 4.3L Diesel2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 2 DOOR NOTCHBACK, BROUGHAM 4 DOOR, BROUGHAM SL 2 DOOR, LS 2 DOOR, LS 2 DOOR NOTCHBACK, LS 4 DOOR, LS STATION WAGON, S 2 DOOR
    1986 Oldsmobile Delta 886 Cyl 3.0L, 6 Cyl 3.8L2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 4 DOOR
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  • Customer Questions & Expert Answers

    Q:
    Do these parts fit my vehicle? Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 8646939 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    How can gear tip wear be measured for the 1977 Buick Century? Posted by Customer
    A:
    By passing a narrow feeler gauge between the oil pump housing wall and the tips of the gear teeth.
    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 8646939, the Right Choice

To ensure reliability, purchase GM part # 8646939 PUMP, Transmission Oil Pump. It is sometimes referred to as GM 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 Buick Century, Electra, Lesabre models. It fits Cadillac Deville, Fleetwood. It also fits Chevrolet Celebrity. This also fits Pontiac 6000.

GMPartsGiant.com is a leading supplier of genuine GM parts and accessories such as GM 8646939 PUMP, 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.

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