View 1 Photo View 0 Videos Used Inspected Eaton 17121 Rear Rear Differential Assembly, 6.14 Ratio $495 USD Part type: Differential - Rear Rear - USED INSPECTED 17121 DIFFERENTIAL ASSEMBLY WITH 6.14 GEAR RATIO., Core Charge: 0.00, Ratio: 6.14 ConditionUsedRear End6.14 ratioFits To Make(s)EATONFits To Model(s)17121Stock Number655 MLS Number10274683CategoryMiscellaneous Truck Parts Last Updated3/28/2026 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton 17121 Rear Rear Differential Assembly 6.57 Ratio, 41 Spline, Used Inspected $495 USD Part type: Differential - Rear Rear - USED INSPECTED 17121 DIFFERENTIAL ASSEMMBLY WITH 6.57 GEAR RATIO. splinecount: 41, Core Charge: 0.00, Ratio: 6.57, Casting#: 0 ConditionUsedRear End6.57 ratioFits To Make(s)EATONFits To Model(s)17121Stock Number615 MLS Number10274672CategoryMiscellaneous Truck Parts Last Updated3/28/2026 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton 17121 Rear Rear Differential Assembly, Used Inspected, 6.50 Ratio $495 USD Part type: Differential - Rear Rear - USED INSPECTED 17121 DIFFERENTIAL ASSEMBLY WITH 6.50 GEAR RATIO., Core Charge: 0.00, Ratio: 6.50, Casting#: 0 ConditionUsedRear End6.50 ratioFits To Make(s)EATONFits To Model(s)17121Stock Number652 MLS Number10274669CategoryMiscellaneous Truck Parts Last Updated3/28/2026 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton 17121 Rear Rear Differential Assembly, 6.50 Ratio, Used Inspected $495 USD Part type: Differential - Rear Rear - USED INSPECTED 17121 DIFFERENTIAL ASSEMBLY WITH 6.50 GEAR RATIO., Core Charge: 0.00, Ratio: 6.50 ConditionUsedRear End6.50 ratioFits To Make(s)EATONFits To Model(s)17121Stock Number656 MLS Number10274660CategoryMiscellaneous Truck Parts Last Updated3/28/2026 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 1985 Eaton 17121 Rear Differential $255 USD 6 Month Warranty,17121,5.57,SPJNT,T-O,B700,T1, 39 SPLINE,,,1 SPEED ConditionUsedStock NumberR03242303 MLS Number13092887CategoryDifferentials, Rear Last Updated9/5/2024 LocationSpokane Valley, WA, US Sold BySpalding Truck Parts (833) 432-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton 17121 Rear Differential for a 1981 Chevrolet C70 $695 USD GOOD INSPECTED TAKEOUT. 5.57 RATIO. 90 DAY WARRANTY, Axle Spline Count: N/A, Serial#: N/A, Core Charge: EXCHANGE, Ratio: 5.57 ConditionUsedFits To Make(s)ChevroletFits To Model(s)C70Will Fit Year(s)1981Stock Number112518-8 MLS Number9581695CategoryDifferentials, Rear Last Updated12/17/2023 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Eaton 17121 Rear Differential for a 1981 Chevrolet C-65 $1,000 USD GOOD USED, Core Charge: 0, Ratio: 6.14 ConditionUsedRear End6.14 ratioFits To Make(s)CHEVROLETFits To Model(s)C-65Will Fit Year(s)1981Stock Number2A1E51929 MLS Number11634200CategoryDifferentials, Rear Last Updated1/23/2025 LocationSte-Julie, QC, Canada Sold ByCamions Lussier-Lussicam inc. (844) 503-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton 17121 Rear Differential for a 1974 Ford L800 $695 USD GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY., Axle Spline Count: NA, Serial#: NA, Core Charge: NA, Ratio: 6.14 ConditionUsedFits To Make(s)FordFits To Model(s)L800Will Fit Year(s)1974Part Number17121Stock Number52820-8 MLS Number10217964CategoryDifferentials, Rear Last Updated5/19/2023 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton 17121 6.50 Ratio Gear Set, Part # 96628 Contact for price Used 17121 6.50 Ratio Gear Set, Part # 96628 ConditionUsedRear End6.50 ratioStock Number4542092 MLS Number13903729CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton 17121 6.50 Ratio Gear Set, Part # 66843 Contact for price NEW 17121 6.50 Ratio Gear Set - Part # 66843 ConditionNewRear End6.50 ratioStock Number4540778 MLS Number13896131CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info