View 1 Photo View 0 Videos Meritor-Rockwell Helical Gear Thrust Washer for 145, Part # 1229S4985 Recently Updated $13.86 USD HELICAL GEAR THRUST WASHER, Serial#: 1229S4985, Core Charge: N/A, Casting#: 1229S4985 ConditionNewPart Number1229S4985 1229-D-4788, 1229-P-4072, 1229-S-4985, 1229A4785, 1229S4985WEL, 31470, 81171084, 81171317,Stock Number1229S4985 MLS Number11710094CategoryDifferential Misc. Parts Last Updated10/16/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info