Parts FILTERS Current Filters RESET Truck Make: GMC Engine Model: 7.4 L CATEGORIES Transmission Assys1 Transmission Make Allison 1 Transmission Model AT545 1 Truck Make GMC 1 Truck Model C6500 1 Engine Make GM/Chev (HD) 1 Engine Model 7.4 L 1 Condition Used 1 Search 1 results for "GMC", "7.4 L" 1-1 of 1 1 --select-- 10/page 15/page 25/page 50/page 100/page Allison 545 (Stock # 804-14) Transmission Assys $850.00 Transmission Make: Allison Transmission Model: 545 Serial#: N/A Casting#: N/A Description: GOOD 1-1 of 1 1