1 0 Mack CRD150 Ring Gear / Pinion Recently Updated $1,430.29 USD 24KH21 GEAR SET MACK CRD 150/151 19/23 TEETH 3.56/3.79/3.98 RATIO , MACK-VOLVO OEM 21130772 ConditionNewFits To Make(s)MACKFits To Model(s)CRD150Stock NumberPAI 808156 MLS Number12232497CategoryRing Gears / Pinions Last Updated12/3/2025 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info