Detroit Axle - Pair (2) Coarse Threads Front Wheel Hub and Bearing Assembly w/ABS for 1999-2004 F-350 Super Duty/F-250 Super Duty - [2000-2002 Excursion] - SRW 4x4 Only For - 1999 Ford F-350 Super Duty (SRW; (Coarse Threads); From 03/22/99 - 4x4 Only w/ABS) - [2000-2004 Ford F-350 Super Duty (SINGLE REAR WHEEL, COARSE THREADS - 4x4 w/ABS)] - 1999-2004 Ford F-250 Super Duty (SRW; (Coarse Threads); From 03/22/99 - 4x4 Only w/ABS) - [2000-2002 Ford Excursion (SINGLE REAR WHEEL, COARSE THREADS 4x4 w/ABS)] Hub Specifics: 8 Stud, with ABS, Single Rear Wheel, Coarse Threads Hubs are designed to meet stringent fatigue requirements to reduce premature failed; seals material and design are optimized to perform in hard environments 10-Year Warranty