View 12 Photos View 0 Videos Mack / Volvo Rear Trunnion Stand Tower Assembly 63QF431M-1, Casting Part # 330506, Bracket Part # 80D43A $2,950 USD (GOOD USED) Mack / Volvo Rear Mechanical Trunnion Stand Tower Assembly 63QF431M-1 For Sale, Model: 63QF431M1, Bracket Part # 80D43A, Casting # 330506, Heavy-Duty Tandem Axle Rear Suspension... ConditionUsedPart Number80D43AStock Number10297 MLS Number14444985CategoryTrunnions Last Updated6/23/2026 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info