Allison 1000 6 speed 4x4 - $250 (Ada)

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Rebuild-able transmission out of a 2007 classic gmc sierra 2500hd 4x4. Will also fit a 2006 with the 6 speed. Was going into shift range inhibited in 1st gear. I believe the c1 clutch packs are shot.

post id: 7942661679

posted: 2026-06-22 16:28

updated: 2026-06-26 22:40

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Allison 1000 6 speed 4x4 - auto parts - by owner - vehicle...

Rebuild-able transmission out of a 2007 classic gmc sierra 2500hd 4x4. Will also fit a 2006 with the 6 speed. Was going into shift range inhibited in 1st gear. I believe the c1 clutch packs are shot.