1 0 Eaton-Spicer DSP40 Ring Gear / Pinion $641.27 USD GEAR SET EATON DSP40 RATIO 3.42 , RING GEAR OD 15.4 INCH ConditionNewRear End3.42 ratioFits To Make(s)EATON-SPICERFits To Model(s)DSP40Stock NumberSST 504056 MLS Number12665847CategoryRing Gears / Pinions Last Updated9/25/2025 LocationJackson, MS, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info