View 0 Photos View 0 Videos Mack CRD93 Helical Pinion Gear 4.17 Ratio 43 Spline, Part # 56KH425A $285.57 USD 56KH425A HELICAL PINION GEAR RATIO 4.17 RING GEAR SPLINE 43 , MACK CRD93 ConditionNewFits To Make(s)MACKFits To Model(s)CRD93Stock Number2559259 MLS Number13820152CategoryDifferential Misc. Parts Last Updated4/29/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info