Allison 1000 & 2000 Rebuild Kit Automatic Transmission Master Overhaul Isuzu Chevrolet GMC GM HD LCT

OPT Product Code: OPT-T1000-RB

$429.99
Allison 1000 & 2000 Rebuild Kit Automatic Transmission Master Overhaul Isuzu Chevrolet GMC GM HD LCT

Product Details


Master rebuild box kit for the Allison LCT1000 and LCT2000 automatic transmission

Transmission models: Allison 1000, T-1000, LCT-1000, 2000, T-2000, LCT-2000, 2400, T-2400, LCT-2400

HD Truck makes: Chevrolet, GMC and Isuzu trucks

Transmission speeds: Fits 5 and 6 speed transmissions

Year range: 2001-up

This master overhaul 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
  • HD Teflon coated Front pump bushing
  • Internal oil filter
  • External oil filter
  • New torque converter bolts

The Transtec overhaul gasket set contained within this kit includes every rubber seal, gasket, o-ring, metal clad seals, and Teflon sealing rings that you'll need to complete your rebuild. Transtec is the highest rated kit available and used by most rebuild shops.

Additionally, you can add the following upgrades to this banner box set:

  • Raybestos steel plates - *Pictured
  • Molded rubber, bonded clutch piston set - *Pictured
  • Transgo Shift kit, or RatioTek valve body shift correction kit
  • Transgo Shift valves
  • Torrington bearing set
  • Electronics kit
  • HD Billet housing torque converter
  • Assembly grease - Lubegard, Life Smart Blend, or Transjel
  • Platinum Lubegard - Insider tip: Many shops use this synthetic supplement in every freshly rebuilt transmission to keep them on the road past the warranty.
  • Cooler line flush - Lubegard Kooler Kleen or Brand One
  • ATSG rebuild manual
  • ATSG PASS Book II – Pressure-Applications-Solenoids-Sensors
  • ATSG Checkball Book

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

This automatic transmission rebuild kit fits the following years: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, and 2019.

Remember to soak all of your friction clutch plates in transmission fluid 30 minutes before installation.

Allison 1000 & 2000 Rebuild Kit Automatic Transmission Master Overhaul Isuzu Chevrolet GMC GM HD LCT

OPT Product Code: OPT-T1000-RB

$429.99

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