4 0 Alliance R21-4N Rear Differential Price Drop $750 USD Good used Alliance R21-4N Rear, rear Differential Assembly. 6.14 Ratio. 90 day guarantee for swap or refund ConditionUsedRear End6.14 ratioFits To Make(s)ALLIANCEFits To Model(s)R21-4NStock NumberRyd R21-4N/6.14/46 MLS Number13363031CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 Alliance RT40-4N Rear Differential Recently Updated $1,100 USD Good used Alliance R40-4N Rear, rear Differential Assembly. 3.58 Ratio. 90 day guarantee for swap or refund ConditionUsedRear End3.58 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-4NStock NumberRyd RT-40-4N/3.58/4 MLS Number13235500CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 Alliance R13-2N Rear Differential Recently Updated $750 USD Good used Alliance R13-2N rear, rear differential assembly. 4.30 ratio. 90 day guarantee for swap or refund ConditionUsedRear End4.30 ratioFits To Make(s)ALLIANCEFits To Model(s)R13-2NStock NumberRyd R13-2N/4.30/38 MLS Number12424586CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 Alliance RT40-NFD Rear Differential Recently Updated $1,500 USD Good used Alliance RT40-NFD rear, rear differential assembly. 90 day guarrantee for swap or refund ConditionUsedRear End2.85 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-NFDStock NumberRyd RT40-NFD/2.85/4 MLS Number12355066CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 Alliance DART-400-4N Rear Differential Recently Updated $1,495 USD Good used take out Alliance Dart 400-4N rear, rear differential assembly. 2.85 ratio 90 day guarantee for swap or refund ConditionUsedRear End2.85 ratioFits To Make(s)ALLIANCEFits To Model(s)DART-400-4NStock NumberRyd DART-400-4N/2.8 MLS Number12281044CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 Alliance RT40-4N Rear Differential Recently Updated $750 USD Good used Alliance RT40-4N rear, rear differential assembly. 3.73 ratio. 90 day guarantee for swap or refund. Quantity3ConditionUsedRear End3.73 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-4NStock NumberRyd RT40-4N/3.73/41 MLS Number12188201CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 Alliance R23-4N Rear Differential Recently Updated $850 USD Good used Alliance R23-4N Rear, rear Differential Assembly. 5.88 Ratio. 90 day guarantee for swap or refund, ConditionUsedRear End5.88 ratioFits To Make(s)ALLIANCEFits To Model(s)R23-4NStock NumberRyd R23-4N/5.88/41 MLS Number10644800CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 Alliance R23-4N Rear Differential Recently Updated $850 USD Good used Alliance R23-4N Rear, rear Differential Assembly. 5.81 Ratio. 90 day guarantee for swap or refund, ConditionUsedRear End5.81 ratioFits To Make(s)ALLIANCEFits To Model(s)R23-4NStock NumberRyd R23-4N/5.81/41 MLS Number10524872CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 Alliance RT40-4N Rear Differential Recently Updated $750 USD Good used Alliance RT40-4N Rear, rear Differential Assembly. 2.53 Ratio. 90 day guarantee for swap or refund, Quantity4ConditionUsedRear End2.53 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-4NStock NumberRyd RT40-4N/2.53/41 MLS Number10310478CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 Alliance RT40-4N Rear Differential Recently Updated $750 USD Good used Alliance RT40-4N Rear, rear Differential Assembly. 3.42 Ratio. 90 day guarantee for swap or refund, Quantity3ConditionUsedRear End3.42 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-4NStock NumberRyd RT40-4N/3.42/41 MLS Number10204583CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 Alliance R23-4N Rear Differential Recently Updated $850 USD Good used Alliance R23-4N Rear, rear Differential Assembly. 6.14 Ratio. 90 day guarantee for swap or refund, ConditionUsedRear End6.14 ratioFits To Make(s)ALLIANCEFits To Model(s)R23-4NStock NumberRyd R23-4N/6.14/41 MLS Number12032982CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 Alliance RT40-4N Rear Differential Recently Updated $1,500 USD Good used Alliance RT40-4N Rear, rear Differential Assembly. 3.23 Ratio. 90 day guarantee for swap or refund, Quantity2ConditionUsedRear End3.23 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-4NStock NumberRyd RT40-4N/3.23/41 MLS Number10204608CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 Alliance R23-4N Rear Differential Recently Updated $850 USD Good used Alliance R23-4N Rear, rear Differential Assembly. 3.91 Ratio. 90 day guarantee for swap or refund, ConditionUsedRear End3.91 ratioFits To Make(s)ALLIANCEFits To Model(s)R23-4NStock NumberRyd R23-4N/3.91/46 MLS Number10204607CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 2015 Alliance RT40-4NR253 Rear Differential Recently Updated $950.24 USD ConditionUsedRear End2.53 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-4NR253Stock Number2199420 MLS Number13643999CategoryDifferentials, Rear Last Updated1/1/2026 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 2006 Alliance Rear Differential for a Alliance R21-2NR430 Recently Updated $950.14 USD ConditionUsedRear End3.43 ratioFits To Make(s)ALLIANCEFits To Model(s)R21-2NR430Stock Number2583412 MLS Number14007396CategoryDifferentials, Rear Last Updated1/1/2026 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
10 0 2014 Alliance RT40-4NR478 Rear Differential Recently Updated $950.14 USD CLEAN NO METAL NICE CONDITION....NOT A D.C.L LOCKER ConditionUsedRear End4.78 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-4NR478Stock Number2473347 MLS Number13641429CategoryDifferentials, Rear Last Updated12/30/2025 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
5 0 2018 Alliance Rear Differential for a Alliance RT40-4NR241 Recently Updated $950.14 USD ConditionUsedRear End2.41 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-4NR241Stock Number2248224 MLS Number13784591CategoryDifferentials, Rear Last Updated12/30/2025 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 2018 Alliance RT40-4NR241 Rear Differential $950.14 USD ConditionUsedRear End2.41 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-4NR241Stock Number2234732 MLS Number13644027CategoryDifferentials, Rear Last Updated12/18/2025 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2007 Alliance 3.58 Rear Differential for a Freightliner COLUMBIA Contact for price ConditionUsedFits To Make(s)FREIGHTLINERFits To Model(s)COLUMBIAStock Number1260 MLS Number14022928CategoryDifferentials, Rear Last Updated12/12/2025 LocationORLANDO, FL, US Sold ByUSA Trade & Exports Inc. (844) 484-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 2007 Alliance ARS21.0.4R522 Rear Differential $950.14 USD ConditionUsedRear End5.22 ratioFits To Make(s)ALLIANCEFits To Model(s)ARS21.0.4R522Stock Number2327616 MLS Number13644088CategoryDifferentials, Rear Last Updated12/8/2025 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 2021 Alliance RT40-4NR241 Rear Differential $950.14 USD ConditionUsedRear End2.41 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-4NR241Stock Number2585508 MLS Number14020082CategoryDifferentials, Rear Last Updated12/6/2025 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 2018 Alliance RT40-4NR285 Rear Differential $950.14 USD ConditionUsedRear End2.85 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-4NR285Stock Number2279974 MLS Number13246967CategoryDifferentials, Rear Last Updated12/6/2025 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
5 0 2015 Alliance RT40-4NR308 Rear Differential $950.24 USD LOOKS GOOD CLEAN NO METAL ConditionUsedRear End3.08 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-4NR308Stock Number2389785 MLS Number13683207CategoryDifferentials, Rear Last Updated12/3/2025 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
5 0 2017 Alliance RT40-4NR253 Rear Differential $950.24 USD ConditionUsedRear End2.53 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-4NR253Stock Number2300548 MLS Number13246997CategoryDifferentials, Rear Last Updated11/22/2025 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
5 0 2016 Alliance RT40-4NR308 Rear Differential $950.24 USD ConditionUsedRear End3.08 ratioFits To Make(s)ALLIANCEFits To Model(s)RT40-4NR308Stock Number2204433 MLS Number11919444CategoryDifferentials, Rear Last Updated11/20/2025 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info