Hard Parts

Allison 1000 2000 2400 Heavy Duty Billet Main Intermediate Shaft by TCS

Part number: 109700Fits: Allison 1000 / 2000 / 2400 (Duramax) TCS heavy-duty billet main/intermediate shaft for Duramax Allison 1000, 2000 and 2400 transmissions, added as Duramax power levels keep...

Allison 1000 4×4 Output Shaft 2001-2010

Part number: 109100Fits: 2001-2010 An output shaft for four-wheel-drive Allison 1000 applications, built 2001-2010, made by TCS from 300M billet steel and precision ground for dimensional accuracy...

Allison 1000 C-2 Clutch Hub

Part number: 109300Fits: Allison 1000 TCS billet steel C-2 clutch hub for the Allison, made to stop early failure of the C-2 clutch hub in high torque and horsepower applications. It comes with a...

Allison 1000 2000 Input Shaft

Part number: 109600 Input shaft for the Duramax Allison 1000/2000 transmission, made by TCS for heavy duty service. The shaft is made from 9310 Vacumelt steel and precision ground for dimensional...

Allison 1000 2000 2400 Manual Valve (Gently Oversized)

Part number: ALLISON-MV Gently oversized manual valve for Allison 1000, 2000, 2400 automatic transmissions, part number ALLISON-MV. No tools are required to install it in place of the stock manual...