GMC Sierra 3500 Transmission Internals

Looking for aftermarket parts to modify or upgrade your GMC Sierra 3500 with transmission internals? At Tunersports.com we carry a huge selection of the top name brand performance transmission internal parts and accessories for your Sierra 3500.

Whether you have a 2001 or 2006 GMC Sierra 3500 in Base to WT trim we have you covered. We have 6 transmission internals available to mod your Sierra 3500. All parts have free shipping to the Continental US 48 States.

All Sierra 3500 Transmission Internal Parts:

ATS Diesel Billet Shafts

SHIPS FROM MANUFACTURER 3049104248 ATS Diesel Allison Billet Input Shaft 2001-2002 GMC Sierra 3500 SL 2001-2005 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base 2004-2005 GMC Sierra 3500 WT $815.79 Details

ATS Diesel Clutch Packs

SHIPS FROM MANUFACTURER 3088054248 ATS Diesel 2001-2010 ATS manufactured Allison C5 clutch pack 2001-2002 GMC Sierra 3500 SL 2001-2004 GMC Sierra 3500 SLE / SLT 2002-2004 GMC Sierra 3500 Base 2004-2004 GMC Sierra 3500 WT $304.56 Details

ATS Diesel Trim Valve Kits

SHIPS FROM MANUFACTURER 3039044248 ATS Diesel 2001-05 GM LCT1000 5-Speed Trim Valve Kit 2001-2002 GMC Sierra 3500 SL 2001-2004 GMC Sierra 3500 SLE / SLT 2002-2004 GMC Sierra 3500 Base 2004-2004 GMC Sierra 3500 WT $171.16 Details

BD Diesel Built-It Trans Kits

OUT OF STOCK 1062204 Same parts used in our own performance transmissions; All kits include the basic rebuild parts and gaskets; C1 Clutch Pack Raybestos Z-Pack; C2 Clutch Pack Raybestos Z-Pack; C3 Plate Assembly - BD Machined; C3/C4 Friction Plate Allomatic; C3/C4 Piston - BD Machined; C3/C4 Reaction Plate; C3/C4 Sprin... BD Diesel Built-It Trans Kit 2000-2004 LB7 Chevy Allison Stage 4 Master Rebuild Kit 2001-2002 GMC Sierra 3500 SL 2001-2004 GMC Sierra 3500 SLE / SLT 2002-2004 GMC Sierra 3500 Base 2004-2004 GMC Sierra 3500 WT $2,291.60 Details

OUT OF STOCK 1062214 Same parts used in our own performance transmissions; All kits include the basic rebuild parts and gaskets; C1 Clutch Pack Raybestos Z-Pack; C2 Clutch Pack Raybestos Z-Pack; C3 Plate Assembly - BD Machined; C3/C4 Friction Plate Allomatic; C3/C4 Piston - BD Machined; C3/C4 Reaction Plate; C3/C4 Sprin... BD Diesel Built-It Trans Kit 2004-2006 Chevy LLY Allison Stage 4 Master Rebuild Kit 2004-2005 GMC Sierra 3500 Base 2004-2006 GMC Sierra 3500 SLE / SLT / WT 2006-2006 GMC Sierra 3500 SL $2,291.60 Details

OUT OF STOCK 1062224 Same parts used in our own performance transmissions; All kits include the basic rebuild parts and gaskets; C1 Clutch Pack Raybestos Z-Pack; C2 Clutch Pack Raybestos Z-Pack; C3 Plate Assembly - BD Machined; C3/C4 Friction Plate Allomatic; C3/C4 Piston - BD Machined; C3/C4 Reaction Plate; C3/C4 Sprin... BD Diesel Built-It Trans Kit 2006-2007 Chevy LBZ 6spd Allison Stage 4 Master Rebuild Kit 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $2,291.60 Details