View 3 Photos View 0 Videos Dana-Spicer DSP40 Front Differential for a 2003 Peterbilt 379 Recently Updated $1,995 USD REBUILT DSP40 3.55. 12 MONTH PARTS AND LABOR WARRANTY. EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Core Charge: 250.00 EXCHANGE, Ratio: 355 ConditionRemanufacturedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)2003Part Number51126-4Stock Number51126-4 MLS Number14424366CategoryDifferentials, Front Last Updated9/23/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Dana-Spicer DSP40 Front Differential for a 2005 Peterbilt 379 Recently Updated $1,695 USD RECON DSP40 3.55. 1ST 6 MONTH PARTS AND LABOR WARRANTY LAST 6 MONTH PARTS ONLY WARRANTY. EXTENDED WARRANTY AVAILABLE, Axle Spline Count: 41, Core Charge: EXCHANGE CRITICAL CORE 250.00, Ratio... ConditionRemanufacturedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)2005Part Number40626-3Stock Number40626-3 MLS Number14307794CategoryDifferentials, Front Last Updated9/23/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Dana-Spicer DSP40 Front Differential for a 2012 Kenworth T660 Recently Updated $1,995 USD REBUILT DSP40 3.36 12 MONTH PARTS AND LABOR WARRANTY. EXTENDED WARRANTY AVAILABLE, Core Charge: 250.00 EXCHANGE, Ratio: 336 ConditionRemanufacturedRear End3.36 ratioFits To Make(s)KenworthFits To Model(s)T660Will Fit Year(s)2012Part Number12426-2Stock Number12426-2 MLS Number14240460CategoryDifferentials, Front Last Updated9/23/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info