4 0 Meritor-Rockwell RD20-145 Front Axle Housing for a 2004 Sterling A9500 Newly Listed Contact for price (Used) 2004 Sterling A9500, FRONT DIFFERENTIAL HOUSING ONLY- Part Number: S11-21429-264, Serial Number: AVA04050619, Make: Meritor, Model: RD20-145, Ratio: 2.64, Capacity: 20,000 Lbs,... ConditionUsedFits To Make(s)SterlingFits To Model(s)A9500Will Fit Year(s)2004Part NumberS11-21429-264Stock NumberP-492203 MLS Number14063027CategoryAxle Housings, Front Last Updated12/29/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info