View 3 Photos View 0 Videos 2007 Eaton RSP41 Rear Differential for a Peterbilt 340 $574 USD (USED) Eaton RSP41 Ratio: 5.29 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)340Stock Number25731575 MLS Number13300156CategoryDifferentials, Rear Last Updated5/14/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2007 Eaton RSP41 Rear Differential for a Kenworth T600 $375 USD (USED) Eaton RSP41 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)KenworthFits To Model(s)T600Stock Number25678366 MLS Number13059005CategoryDifferentials, Rear Last Updated8/22/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos 2015 Eaton RSP41 Rear Differential for a Peterbilt 579 $350 USD (USED) Eaton RSP41 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: - COULD NOT VERIFY THE CAST NUMBER. ID TAG IDENTIFIED CRR. GOUGE ON LIP OF CASING. SPLINE GEARS ARE SHOWING WEAR. ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25784650 MLS Number13541367CategoryDifferentials, Rear Last Updated4/26/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2010 Eaton RSP41 Rear Differential for a Peterbilt 340 $574 USD (USED) Eaton RSP41 Ratio: 4.63 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)340Stock Number25730326 MLS Number13313232CategoryDifferentials, Rear Last Updated1/6/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2009 Eaton RSP41 Rear Differential for a Peterbilt 387 $375 USD (USED) Eaton RSP41 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 511328 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)387Stock Number25378790 MLS Number14254173CategoryDifferentials, Rear Last Updated3/19/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2009 Eaton RSP41 Rear Differential for a Peterbilt 388 $495 USD (USED) Eaton RSP41 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 511331 Ref# 511331 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)388Part Number511331Stock Number25960844 MLS Number14242048CategoryDifferentials, Rear Last Updated3/18/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2015 Eaton RSP41 Rear Differential for a Peterbilt 365 $574 USD (USED) Eaton RSP41 Ratio: 4.33 Side Gear Splines: 41 W/ Locker: NO Cast#: 511333 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)365Stock Number25839567 MLS Number13743158CategoryDifferentials, Rear Last Updated8/6/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info