Check the listing for details. Polyurethane Peterbilt Air Leaf Housing & Bushing Kit 4" Wide Spring 03-01654. Condition: New. Listed at 239.20 USD. This polyurethane kit includes housing and bushings for a 4" wide spring by Atro, part number 03AL1. It is designed to fit Peterbilt trucks and includes all necessary hardware such as bushings. The kit is perfect for those looking to replace worn out or damaged leaf spring components. The kit is interchangeably compatible with various part numbers such as 0301661, 338-1224, 334-460, TRK5905, 361-161, 338-725, E697-75, 03-01654, E321-75, 2312734120, 03-01657, 0305915, M1640, AUBK8254-05 and manufactured by Atro. If you have any questions or concerns, please give us a call or text at 1 903 757 4572 1) Housing Replacement 03-01654 , Dayton 338-1224 , Flagg E697-75 Automann M1640 1) Rubber Bushing Kit Replacement 03AL1 , Dayton 334-460 , Automann TRK5905 1) U-Bolt 361-161 , 2312734120 , Automann AUBK8254-05 2 ) Flange Bolt 3/4"-10x2-1/4" 334-1433 27-00286-009 1) Tie Bolt SCB-260 center Bolt 3/4"-16 X 4-1/4" 1) Bolt Assembly (Nut and Washer) Dayton 334-626, Meritor R302989 , Neway 93003633