View 1 Photo View 0 Videos Fuller Mainshaft Reduction Gear 18 Spline 46 Teeth RT12509/12513, Part # CCT 19783 FUL $287.20 USD MAINSHAFT REDUCTION GEAR 18 SPLINE 46 TEETH FULLER RT12509/12513 ConditionNewFits To Make(s)FULLERFits To Model(s)RT12509Stock NumberCCT 19783 FUL MLS Number11337149CategoryMiscellaneous Truck Parts Last Updated3/29/2026 LocationWatseka, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info