View 3 Photos View 0 Videos 1999 Used Meritor RR20145 Differential - Ratio: 4.11 - Non-Locker Newly Listed $795 USD Used RR20145 Differential - Ratio: 4.11 - Non-Locker ConditionUsedFits To Make(s)MeritorFits To Model(s)RR-20-145Will Fit Year(s)1999Part Number3200S1865Stock Number700-15548 MLS Number14625271CategoryDifferentials, Unspecified Last Updated9/25/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2010 Used Meritor RR20145 Differential - Ratio: 6.43 - Locker Newly Listed $950 USD Used RR20145 Differential - Ratio: 6.43 - Locker ConditionUsedFits To Make(s)MeritorFits To Model(s)RR-20-145Will Fit Year(s)2010Part Number2602918C91Stock Number700-15516 MLS Number14619071CategoryDifferentials, Unspecified Last Updated9/23/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos Reconditioned Meritor RR-20-145 Chalmers Rear Axle Housing $2,450 USD Reconditioned RR-20-145 Chalmers Rear Axle Housing, Position: Rear ConditionRemanufacturedPart Number3121E2111Stock Number300-24787 MLS Number14577308CategoryAxle Housings Last Updated9/1/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Reconditioned Meritor RR-20-145 Walking Beam Axle Housing $2,150 USD Reconditioned RR-20-145 Walking Beam Axle Housing, Position: Rear ConditionRemanufacturedFits To Make(s)MeritorFits To Model(s)MR2014XPart Number3121L1728Stock Number300-25731 MLS Number14577300CategoryAxle Housings Last Updated9/1/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos 2016 Reconditioned Meritor RR-20-145 Chalmers Axle Housing $2,450 USD Reconditioned RR-20-145 Chalmers Axle Housing, Position: Rear ConditionRemanufacturedFits To Make(s)MeritorFits To Model(s)14XWill Fit Year(s)2016Part Number3121P1966Stock Number300-27468 MLS Number14570130CategoryAxle Housings Last Updated8/28/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Reconditioned Meritor RR-20-145 AG-380 Flex Air Axle Housing $2,150 USD Reconditioned RR-20-145 AG-380 Flex Air Axle Housing, Position: Rear ConditionRemanufacturedFits To Make(s)MeritorFits To Model(s)MR2014XPart Number3121L1728Stock Number300-27288 MLS Number14483172CategoryAxle Housings Last Updated8/26/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2011 Reconditioned Meritor RR-20-145 RD-20-145 Rear Air Ride Axle Housing $2,150 USD Reconditioned RR-20-145 RD-20-145 Rear Air Ride Axle Housing, Position: Rear ConditionRemanufacturedFits To Make(s)MeritorFits To Model(s)RR-20-145Will Fit Year(s)2011Part Number3121L1728Stock Number300-27312 MLS Number14530934CategoryAxle Housings Last Updated8/8/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2016 Reconditioned Meritor RR-20-145 Air Ride/Dual Trac Axle Housing $2,150 USD Reconditioned RR-20-145 Air Ride/Dual Trac Axle Housing, Position: Rear ConditionRemanufacturedFits To Make(s)MeritorFits To Model(s)MR2014XWill Fit Year(s)2016Part Number3121Y3353Stock Number300-27362 MLS Number14495115CategoryAxle Housings Last Updated8/8/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2004 Reconditioned Meritor RR-20-145 Spring Air Ride $2,150 USD Reconditioned RR-20-145 Spring Air Ride, Position: Rear ConditionRemanufacturedFits To Make(s)MeritorFits To Model(s)MR2014XWill Fit Year(s)2004Part Number3121L1728Stock Number300-27389 MLS Number14508724CategoryAxle Housings Last Updated8/26/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2008 Used Meritor RR20145 Differential - Ratio: 5.86 - Non-Locker $795 USD Used RR20145 Differential - Ratio: 5.86 - Non-Locker ConditionUsedFits To Make(s)MeritorFits To Model(s)RR-20-145Will Fit Year(s)2008Part Number3200S1865Stock Number700-15448 MLS Number14393924CategoryDifferentials, Unspecified Last Updated6/13/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 1993 Used Meritor RR20145 Differential - Ratio: 3.91 - Non-Locker $1,050 USD Used RR20145 Differential - Ratio: 3.91 - Non-Locker ConditionUsedFits To Make(s)MeritorFits To Model(s)RR-20-145Will Fit Year(s)1993Part NumberB4 32S1865391Stock Number700-15437 MLS Number14363846CategoryDifferentials, Unspecified Last Updated5/13/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2012 Reconditioned Meritor RR-20-145 Dual Trac Volvo Air Ride Axle Housing $2,150 USD Reconditioned RR-20-145 Dual Trac Volvo Air Ride Axle Housing, Position: Rear ConditionRemanufacturedFits To Make(s)MeritorFits To Model(s)MR2014XWill Fit Year(s)2012Part Number3121W3351Stock Number300-26934 MLS Number14318856CategoryAxle Housings Last Updated4/18/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2000 Reconditioned Meritor RR-20-145 Air Ride Axle Housing $1,995 USD Reconditioned RR-20-145 Air Ride Axle Housing, Position: Rear ConditionRemanufacturedFits To Make(s)MeritorFits To Model(s)RR-20-145Will Fit Year(s)2000Part Number3121L1728Stock Number300-25653 MLS Number14283780CategoryAxle Housings Last Updated4/3/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2002 Reconditioned Meritor RR-20-145 Tuff Trac Axle Housing $2,150 USD Reconditioned RR-20-145 Tuff Trac Axle Housing, Position: Rear ConditionRemanufacturedFits To Make(s)MeritorFits To Model(s)RR-20-145Will Fit Year(s)2002Part Number3121P1966Stock Number300-27106 MLS Number14256026CategoryAxle Housings Last Updated3/20/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Reconditioned Meritor RR-20-145 Rear Axle Housing $2,150 USD Reconditioned RR-20-145 Rear Axle Housing., Position: Rear ConditionRemanufacturedPart Number3121L1728Stock Number300-20200 MLS Number14175647CategoryAxle Housings Last Updated2/28/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2011 Reconditioned Meritor RR-20-145 Air Ride Axle Housing $1,995 USD Reconditioned RR-20-145 Air Ride Axle Housing, Position: Rear ConditionRemanufacturedFits To Make(s)InternationalFits To Model(s)ProstarWill Fit Year(s)2011Part Number3121P1966Stock Number300-22472 MLS Number14124328CategoryAxle Housings Last Updated2/27/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 1996 Reconditioned Meritor RR-20-145 Air Leaf Axle Housing $2,150 USD Reconditioned Meritor RR-20-145 Air Leaf Axle Housing, Position: Rear ConditionRemanufacturedFits To Make(s)MeritorFits To Model(s)RR-20-145Will Fit Year(s)1996Part Number3121E1747Stock Number300-26981 MLS Number14123038CategoryAxle Housings Last Updated2/27/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 1999 Used Meritor RR20145 Differential - Ratio 4.33 - Non-Locker $795 USD Used RR20145 Differential - Ratio 4.33 - Non-Locker ConditionUsedFits To Make(s)MeritorFits To Model(s)RR-20-145Will Fit Year(s)1999Part Number3200S1865Stock Number700-15371 MLS Number14119349CategoryDifferentials, Unspecified Last Updated6/13/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Reconditioned Meritor RR-20-145 Air Leaf Axle Housing $2,150 USD Reconditioned RR-20-145 Air Leaf Axle Housing, Position: Rear ConditionRemanufacturedPart Number3121E1747Stock Number300-26930 MLS Number14107541CategoryAxle Housings Last Updated2/27/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 1997 Reconditioned Meritor RR-20-145 AG-380 Axle Housing $2,150 USD Reconditioned RR-20-145 AG-380 Axle Housing, Position: Rear ConditionRemanufacturedFits To Make(s)MeritorFits To Model(s)RR-20-145Will Fit Year(s)1997Part Number3121L1728Stock Number300-26955 MLS Number14083070CategoryAxle Housings Last Updated2/11/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos 2021 Reconditioned Meritor RR-20-145 Tuf Trac Volvo Air Ride $2,150 USD Reconditioned RR-20-145 Tuf Trac Volvo Air Ride, Position: Rear ConditionRemanufacturedFits To Make(s)MeritorFits To Model(s)14XWill Fit Year(s)2021Part Number3121P1966Stock Number300-26873 MLS Number14052582CategoryAxle Housings Last Updated3/12/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Reconditioned Meritor RR-20-145 Pete Air Trac Axle Housing $2,150 USD Reconditioned RR-20-145 Pete Air Trac Axle Housing, Position: Rear ConditionRemanufacturedPart Number3121E1747Stock Number300-20665 MLS Number12316396CategoryAxle Housings Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 2018 Reconditioned Meritor RR-20-145 AG-400 Axle Housing $2,150 USD Reconditioned RR-20-145 AG-400 Axle Housing, Position: Rear ConditionRemanufacturedFits To Make(s)MeritorFits To Model(s)MR2014XWill Fit Year(s)2018Part Number3121L1728Stock Number300-26741 MLS Number13949508CategoryAxle Housings Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2014 Reconditioned RR-20-145 Meritor Air Ride Axle Housing $2,150 USD Reconditioned RR-20-145 Meritor Air Ride Axle Housing, Position: Rear ConditionRemanufacturedFits To Make(s)MeritorWill Fit Year(s)2014Part Number3121W3351Stock Number300-25700 MLS Number13645232CategoryAxle Housings Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Used Meritor RR-20-145 Freightliner Air Ride Axle Assembly $3,250 USD Used RR-20-145 Freightliner Air Ride Axle Assembly, Position: Rear ConditionUsedPart Number3121P1966Stock Number317-10033 MLS Number13627133CategoryAxle Assemblies, Rear Last Updated2/5/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info