
1987 - 2006 Navistar International 1000, 2000, 4000 and 7000 Front Leaf Spring 55-154
*Diagram Spring May Differ From Actual Spring* Number of Leaves - 8 (2PD/8) Leaf Spring Width - 4" A - Leaf Spring Length: 25" B - Leaf Spring Length: 29" C - Leaf Spring Arch: 4-3/16" D - Leaf Spring Pack Thickness: 4-1/2" Leaf Spring Capacity: 6,350 lbs. Leaf Spring OEM Number: 1661476C91 Leaf Spring Eye Bushings: Front RNK / Rear RNK Leaf Spring Material: Pad 2/.447, 8/.447 Location - Front 9,000 lb. - 20,000 lb. Axles Only Verify the OEM part number and measurements to confirm compatibility before purchasing. Need help? Visit: How to Identify a Leaf Spring. Leaf spring 55-154 is the front leaf spring on 1987 - 2006 Navistar International 1000, 2000, 4000 and 7000 heavy duty trucks. The spring is 4" wide, is a 8 leaf spring with 2 pads and has a capacity of 6,350 lbs. The OEM part number is 1661476C91.