View 3 Photos View 0 Videos Dana DS404 Rear Axle Housing for a 2006 Kenworth T800 $799.99 USD (Used) 2006 Kenworth T800, COMPLETE FRONT DIFFERENTIAL HOUSING ONLY- Part Number: 509741, Serial Number: HN00078390, Make: Spicer, Model: DS404, Ratio: 3.70, Capacity: 20,000 Lbs, Suspension... ConditionUsedFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2006Part Number509741Stock NumberP-109338 MLS Number13777447CategoryAxle Housings, Rear Last Updated2/9/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info