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GM 17803789 Transmission

2008 GM

Customer Questions & Expert Answers (3)
17803789 GM Transmission Illustration 1 of 1
  • Part Description
    Transmission, Automatic
  • Replaces
    17803912
  • Manufacturer
    General Motors
Make sure this part fits
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number17803789
    Part DescriptionTransmission; Transmission, Automatic
    Item Dimensions46.2 x 24.9 x 23.0 inches
    Item Weight230.10 Pounds
    ConditionRemanufactured
    Fitment TypeDirect Replacement
    Replaces17803912
    ManufacturerGeneral Motors
    SKU17803789
    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
    2008 Chevrolet Avalanche8 Cyl 5.3L, 8 Cyl 5.3L Flex1/2 TON
    2008 Chevrolet Silverado8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L FlexCREW CAB 1/2 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON
    2008 Chevrolet Suburban8 Cyl 5.3L, 8 Cyl 5.3L Flex1/2 TON
    2008 Chevrolet Tahoe8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex4 DOOR 1/2 TON
    2008 GMC Sierra8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L FlexCREW CAB 1/2 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON
    2008 GMC Yukon8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex1/2 TON, YUKON/DENALI/ESCALADE
  • 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 17803789 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What are the initial steps to remove the Transmission Assembly for the 2008 Chevrolet Tahoe? Posted by Serhii M.
    A:
    Disconnect the battery cable and raise the vehicle on jackstands. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Julian / Dec 04, 2023
    Q:
    What needs to be done with the Transmission Assembly before removing the driveshaft for the 2008 Chevrolet Avalanche? Posted by Gifford S.
    A:
    Remove the torque converter-to-drive plate bolts. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Fernando / Jan 11, 2025

Genuine GM Part 17803789, the Right Choice

To ensure reliability, purchase GM part # 17803789 Transmission. It is sometimes referred to as GM Transmission Assembly. 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 Avalanche, Silverado, Tahoe models. It fits GMC Sierra, Yukon.

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