View 4 Photos View 0 Videos Eaton DD463/RD463 Cutoff for a 2003 Peterbilt 378 Contact for price 46K CHALMERS DS463 SPICER,SUSPENSIONPARTS ONLY/LESS BEAM/OK FOR PARTS, Serial#: NA, Hub Bolts: 10, Ratio: 4.33, Speed: SINGLE ConditionUsedRear End4.33 ratioFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2003Part NumberCHALMERS 46KStock Number42022-16 MLS Number11363120CategoryFront & Rear Cutoffs (Clip Cuts) Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info