Allison 1000 Torque Converter Housing (Bell Housing) - 2007.5-2019 GM 6.6L Duramax LMM/LML/L5P
The Allison 1000 Torque Converter Housing is a replacement transmission bell housing designed for 2007.5-2019 Chevrolet Silverado and GMC Sierra HD trucks equipped with the 6.6L Duramax diesel engine and Allison 1000 6-speed automatic transmission. This later-style housing features the factory configuration without a speed sensor boss and replaces damaged, cracked, or stripped original housings. Supplied with the Allison 1000 transmission cooler line fitting, this assembly provides a replacement solution for restoring the original transmission housing configuration.
Key Features
- Replacement Allison 1000 6-speed automatic transmission torque converter housing.
- GM Part Number: 29549481.
- Later-style bell housing design without a speed sensor boss.
- Designed for 6.6L Duramax LMM, LML, and L5P diesel engine applications.
- Includes preinstalled Allison 1000 transmission cooler line fitting, GM Part Number 88996645.
- Replacement solution for cracked housings, stripped mounting holes, or damage caused by torque converter or flexplate failure.
- Approximate weight: 19.6 lbs.
- Warranty: 1 year.
Benefits
A damaged transmission bell housing can compromise the mounting integrity and alignment of the transmission assembly. Replacing a cracked or damaged Allison 1000 torque converter housing helps restore the factory transmission configuration and provides a reliable solution during transmission repairs or rebuilding. The preinstalled cooler line fitting eliminates the need to source this component separately, while the later-style design matches applications manufactured without a bell housing speed sensor boss.
Fitment
2007.5-2019 Chevrolet Silverado and GMC Sierra 2500 HD and 3500 HD equipped with the 6.6L Duramax V8 diesel engine and Allison 1000 6-speed automatic transmission.
- 2007.5-2010: 6.6L Duramax LMM.
- 2011-2016: 6.6L Duramax LML.
- 2017-2019: 6.6L Duramax L5P.
Important Fitment Information: This housing does not have a speed sensor boss and will not replace earlier Allison 1000 housings equipped with a bell housing speed sensor. Most 2001-early 2007 LB7, LLY, and LBZ applications require the earlier-style housing with a speed sensor boss. For 2007 model-year trucks, verify the existing transmission housing configuration before ordering. This housing is not compatible with 2020 and newer applications.
What's Included
- (1) Allison 1000 Torque Converter Housing without Speed Sensor Boss - GM Part Number 29549481.
- (1) Allison 1000 Transmission Cooler Line Fitting, GM Part Number 88996645.
Recommended Related Products
- Allison 1000 Transmission Bell Housing Bolts - 2007.5-2022.
- Allison 1000 P1 Drive Flange - 2001-2019.
- Torque Converter Removal and Install Tool.