View 0 Photos View 0 Videos 2005 Meritor RS21160 Rear Axle Housing for a Sterling Acterra $850 USD (USED) Meritor RS21160 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: SPRING Track Width : 72 Ref# 3121Z1872 ConditionUsedFits To Make(s)SterlingFits To Model(s)ActerraPart Number3121Z1872Stock Number26066999 MLS Number14605399CategoryAxle Housings, Rear Last Updated9/16/2026 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info