2014 Dana RSP41, Truck Tractor, Axle Housings (Rear), Fits to: Kenworth T660, (Used) 2014 Kenworth T660, COMPLETE REAR DIFFERENTIAL HOUSING ONLY- Make: Spicer/Dana, Model: RSP41, Serial Number: HN04282186, Part Number: 511326, Custom Number: C05-543013221101030, SPEC: 2817552, Ratio: 3.08, Hub Bolts: 10, Brake Type: Drum, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921, Serial# HN04282186, Hub Bolts 10, Brake Type Drum 1XKADP8X1EJ332814