6L80 Valve body Assembly
OE/OEM Part Number: 6U138
The 6L80 Valve Body Assembly (often associated with remanufactured units for 2006–2009 or 2006–2020 applications) generally fits various GM vehicles equipped with 6L80/6L90 transmissions. Key models include 2006-2020 Chevrolet Silverado 1500, Tahoe, Suburban, and GMC Sierra, as well as 2010-2019 Camaro, 2006-2014 Corvette, and Cadillac Escalade.
Key Vehicle Applications (6L80/6L90):
- Chevrolet: Silverado 1500 (2006–2020), Tahoe (2007–2020), Suburban 1500 (2007–2014), Camaro (2010–2019), Corvette (2006–2014), Express Van, Colorado.
- GMC: Sierra 1500, Yukon, Yukon XL, Canyon.
- Cadillac: Escalade (2007–2014), CTS, STS.
- Other: Hummer H2, Pontiac G8.
Important Compatibility Notes:
- Year Range: While some kits cover 2006-2020, many specifically remanufactured valve bodies with this number apply to 2006–2009 or 2010-2015 models.
- Generation Differences: Earlier models (pre-2013) typically have one bolt hole on top, while later models (up to 2020) may have two, requiring confirmation of the casting numbers (e.g., Upper 9404, Lower 9581).
- TCM: The assembly often includes the Transmission Control Module (TCM), which may require programming.
It is highly recommended to verify the specific casting numbers and, if applicable, the “C” code on the valve body to ensure it matches the vehicle’s production year.
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