ALLISON 1000/2000 VALVE BODY 7 SOLENOIDS W/ 2 TUBES (2006-2009)
The 2006–2009 Allison 1000/2000/2400 series valve body with 7 solenoids and 2 tubes is designed for 6-speed automatic transmissions in GM trucks equipped with 6.6L Duramax (LBZ/LMM) engines. This unit fits 2006-2009 Chevrolet Silverado/Kodiak and GMC Sierra/Topkick models,, often identified by casting #29543340.
Key Vehicle & Transmission Fitment (2006–2009):
- Makes: Chevrolet, GMC
- Models: Silverado 2500HD/3500, Kodiak, Sierra 2500HD/3500, Topkick (C4500/C5500)
- Transmissions: Allison 1000, 2000, 2400 (6-Speed)
- Engine: 6.6L Duramax Diesel (LBZ/LMM)
Identification Features:
- Tubes: Two tubes located on the bottom.
- Solenoids: Seven (7) solenoids.
- Casting Numbers: Upper casting #29542971, Lower casting #29543340.
- Years: Mid-2005 to Mid-2009/2010.
This valve body is used to replace units in 6-speed automatic transmissions, specifically fixing issues like harsh shifts or slipping.
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