View 1 Photo View 0 Videos Eaton-Spicer 17121/18121 Ring & Pinion Gear Set 4.56 Ratio, Rear Single Axle Recently Updated $427.10 USD RING PINION GEAR SET RATIO 4.56 EATON 17121/18121 REAR SINGLE AXLE 16IN SPIRAL RING GEAR 41/9 TEETH ConditionNewRear End4.56 ratioFits To Make(s)EATON-SPICERFits To Model(s)17121Stock NumberG7 96622 MLS Number10963642CategoryDifferential Misc. Parts Last Updated4/8/2026 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info