4 0 Meritor-Rockwell RT40145 Front Differential for a 2010 Peterbilt 389 $1,300 USD Livraison partout au Canada États-Unis. We ship anywhere in Canada USA. - Stock: 30739D - Meritor Rockwell 40145, ratio 3.90 - 40 000lbs, Avant, Pas Lock, Pas Échange + 500$ - 40... ConditionUsedRear End3.90 ratioFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2010Stock Number30739D MLS Number13544069CategoryDifferentials, Front Last Updated10/23/2025 LocationBeauceville, QC, Canada Sold ByCamions Gilbert (888) 595-___ SHOWNUMBERCall Seller Email Seller Save More Info