View 4 Photos View 0 Videos 2011 Eaton S21-170 Rear Differential for a Peterbilt 337 $1,816 USD (USED) Eaton S21-170 Ratio: 5.38 Side Gear Splines: 46 W/ Locker: NO Cast#: Could Not Verify ConditionUsedFits To Make(s)PeterbiltFits To Model(s)337Stock Number25635655 MLS Number12800679CategoryDifferentials, Rear Last Updated5/14/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2008 Eaton S21-170 Rear Differential for a Peterbilt 384 $1,816 USD (USED) Eaton S21-170 Ratio: 3.73 Side Gear Splines: 46 W/ Locker: NO Cast#: RUSTED Ref# 512508 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)384Part Number512508Stock Number25727848 MLS Number13283723CategoryDifferentials, Rear Last Updated5/14/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2018 Eaton S21-170 Rear Axle Housing for a Peterbilt 337 $1,250 USD (USED) Eaton S21-170 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AG400L Track Width : 72 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)337Stock Number25744568 MLS Number13368295CategoryAxle Housings, Rear Last Updated4/12/2025 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2009 Eaton S21-170 Rear Axle Housing for a Kenworth T270 $1,250 USD (USED) Eaton S21-170 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: HENDRICKSON Track Width : 72 ConditionUsedFits To Make(s)KenworthFits To Model(s)T270Stock Number25912666 MLS Number14093936CategoryAxle Housings, Rear Last Updated7/18/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info