Allison 1000 & 2000 Rebuild Kit Automatic Transmission Master Overhaul Isuzu Chevrolet GMC GM HD LCT
OPT Product Code: OPT-T1000-RB
Product Details
Master rebuild box kit for the Allison 1000 and 2000 automatic transmission
Chevrolet, GMC and Isuzu trucks
Fits 5 and 6 speed transmission models
2001-up
This master rebuild kit includes
- A high quality Transtec overhaul set with every rubber seal, gasket, o-ring, metal clad seals, and Teflon sealing rings that you'll need to complete your rebuild
- Raybestos HD High Energy clutches
- Raybestos steel plates
- Molded rubber clutch piston set
- HD Teflon coated Front pump bushing
- Internal oil filter
- External oil filter
- New torque converter bolts
Additionally, you can add the following recommended items.
- ATSG rebuild manual
- Shift kit
- Shift valves
- Torrington bearing set
- Electronics kit
- HD Billet housing torque converter
The Allison LCT-1000 transmission was found in the heavier GM, Chevy, and GMC truck models from 2001-up with the 6.6L Duramax diesel or the 8.1L gas engine. These transmissions are also found in the larger Isuzu trucks with the 7.8L Diesel. The T-1000 Allison was in the 8.1L GM trucks as an option. The Allison can be identified by its external fluid filter.
The following models were fitted with this transmission:
- Isuzu FTR Diesel 2005-2009
- Isuzu FVR Diesel 2005-2009
- Isuzu HTR Diesel 2005-2008
- Isuzu HVR Diesel 2005-2008
- GMC Sierra 2500 HD 2001-up
- GMC Sierra 3500 2001-up
- GMC Sierra 3500 HD 2001-up
- Chevrolet Silverado 2500 HD 2001-up
- Chevrolet Silverado 3500 2001-up
- Chevrolet Silverado 3500 HD 2001-up
This transmission is known by multiple names, including: Allison 1000, T-1000, LCT-1000, T1000, Allison 2000, T-2000, LCT-2000, T2000, Allison 2400, T-2400, LCT-2400, and T2400
Remember to soak all of your friction clutch plates in transmission fluid 30 minutes before installation