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Chevrolet 89037490 Transmission

2005-2006 Chevrolet

Customer Questions & Expert Answers (3)
89037490 GM Transmission Illustration 1 of 1
  • Part Description
    Transmission, Automatic
  • Replaces
    12491915
  • Manufacturer
    General Motors
Make sure this part fits
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Chevrolet
    Manufacturer Part Number89037490
    Part DescriptionTransmission; Transmission, Automatic
    Item Dimensions45.8 x 24.1 x 22.1 inches
    Item Weight202.00 Pounds
    ConditionRemanufactured
    Fitment TypeDirect Replacement
    Replaces12491915
    ManufacturerGeneral Motors
    SKU89037490
    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
    2005-2006 Chevrolet Avalanche8 Cyl 5.3L, 8 Cyl 5.3L Flex1/2 TON
    2005-2006 Chevrolet Express8 Cyl 5.3L1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS
    2005-2006 Chevrolet Silverado8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB SHORT BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX
    2005-2006 Chevrolet Suburban8 Cyl 5.3L, 8 Cyl 5.3L Flex1/2 TON
    2005-2006 Chevrolet Tahoe8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex4 DOOR 1/2 TON
  • Customer Questions & Expert Answers

    Q:
    Do these parts fit my vehicle?
    A:
    You can Select Your Vehicle to check if 89037490 fits your vehicle.
    Posted and answered by GM Parts Specialist Raul
    Q:
    What should be done with the transmission fluid and exhaust components of the Transmission Assembly for the 2006 Chevrolet Express? Posted by Antonio V.
    A:
    Drain the transmission fluid and remove all exhaust components that may interfere with the transmission removal. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Xavier / Feb 22, 2023
    Q:
    Why must troubleshooting be performed with the Transmission Assembly installed in the 2005 Chevrolet Express? Posted by Khin M.
    A:
    Troubleshooting must be performed with the transmission installed in the vehicle to ensure accurate diagnosis and repair. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Apr 25, 2026

Genuine GM Part 89037490, the Right Choice

To ensure reliability, purchase GM part # 89037490 Transmission. It is sometimes referred to as Chevrolet 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 Express, Silverado, Tahoe models.

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