0 0 Allison AT1545 Transmission for a 2001 Gm/Chev (Hd) C6500 Contact for price ., Serial#: 3211104046, Engine Make: Caterpillar, Engine Model: 3126, Casting#: 3211104046 ConditionUsedEngine ModelCaterpillar 3126Fits To Make(s)GM/Chev (HD)Fits To Model(s)C6500Will Fit Year(s)2001Stock Number505917-2 MLS Number9464720CategoryTransmissions Last Updated5/11/2023 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info