1 0 Eaton Cutoff for a 2006 Peterbilt 378 $7,995 USD GOOD USED PETERBILT AIRTRAC SUSPENSION CUT OFF WITH EATON D40-170P IN A 3.91 RATIO., Axle Spline Count: N/A, Serial#: N/A, Core Charge: N/A, Hub Bolts: 10 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2006Stock Number42019-7 MLS Number9725445CategoryCutoffs Last Updated7/22/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info