View 2 Photos View 0 Videos Eaton RS381 Rear Differential for a 1987 Western Star 4900 Recently Updated $695 USD RS381 3.55 WILL INSPECT IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)Western StarFits To Model(s)4900Will Fit Year(s)1987Part NumberRS381Stock Number5910 MLS Number13511588CategoryDifferentials, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS381 Rear Differential for a 1983 Gm/Chev (Hd) GENERAL Recently Updated $795 USD RS381 3.70 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE. CHECK S.G. COUNT, Axle Spline Count: GET, Core Charge: 250, Ratio: 3.7 ConditionUsedRear End3.70 ratioFits To Make(s)GM/Chev (HD)Fits To Model(s)GENERALWill Fit Year(s)1983Part NumberRS381Stock Number92423-8 MLS Number12330391CategoryDifferentials, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Eaton RS381 Rear Differential for a 1978 GMC Brigadier Recently Updated $1,095 USD RS380 RECONDITIONED 3.70. 1ST 6 MONTH PARTS AND LABOR WARRANTY. LAST 6 MONTH PARTS ONLY WARRANTY. EXTENDED WARRANTY AVAILABLE., Ratio: 3.7 ConditionRemanufacturedRear End3.70 ratioFits To Make(s)GMCFits To Model(s)BrigadierWill Fit Year(s)1978Stock Number42923-8 MLS Number12027857CategoryDifferentials, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS381 Rear Differential Recently Updated $525 USD RS380 4.11 INSPECTED TAKEOUT. 90 DAY PARTS ONLY WARRANTY. EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 16 2 1/8, Serial#: 111215, Core Charge: EXCHANGE, Ratio: 4.11 ConditionUsedPart Number111215Stock Number111215 MLS Number11544614CategoryDifferentials, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS381 Rear Differential for a 1986 International F-9370 Recently Updated $550 USD INSPECTED RS381 3.70 90 DAY WARRANTY, Ratio: 3.7 ConditionUsedRear End3.70 ratioFits To Make(s)InternationalFits To Model(s)F-9370Will Fit Year(s)1986Stock Number110420-7 MLS Number10530477CategoryDifferentials, Rear Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Eaton RS381 Rear Differential for a 1986 Peterbilt 362 Recently Updated $495 USD INSPECTED TAKEOUT RS381 3.55, 90 DAY WARRANTY, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)362Will Fit Year(s)1986Stock Number30820-9 MLS Number10151058CategoryDifferentials, Rear Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS381 Rear Differential for a 1985 Volvo COE Recently Updated $550 USD RS381 411 GOOD INSPECTED TAKEOUT,90 DAY WARRANTY, Ratio: 4.11 ConditionUsedRear End4.11 ratioFits To Make(s)VolvoFits To Model(s)COEWill Fit Year(s)1985Stock Number113017-4 MLS Number9293989CategoryDifferentials, Rear Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS381 Rear Differential for a 1985 Freightliner FLT866 Recently Updated Contact for price -, Ratio: 370, Part Make: Eaton ConditionUsedRear End3.70 ratioFits To Make(s)FreightlinerFits To Model(s)FLT866Will Fit Year(s)1985Stock Number250309-5 MLS Number9389245CategoryDifferentials, Rear Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Eaton RS381 Rear Differential $1,685 USD RS381 - 3.36 Ratio - Rebuilt. ConditionRemanufacturedRear End3.36 ratioStock NumberRS381-336-REB MLS Number13896136CategoryDifferentials, Rear Last Updated4/14/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RS381 Rear Differential for a 1987 Freightliner FLC Recently Updated $795 USD RS381 3.55 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY, Axle Spline Count: GET, Core Charge: 200, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)FreightlinerFits To Model(s)FLCWill Fit Year(s)1987Part NumberRS--381Stock Number81222-8 MLS Number11538011CategoryDifferentials, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info