1984 - 2021 Kenworth C500, C550B, K100E, T400, T450, T600 And T800 Front Leaf Spring - 9 Leaves - 59-410

*Diagram Spring May Differ From Actual Spring* Number of Leaves - 9 Leaf Spring Width - 4" A - Leaf Spring Length: 32" B - Leaf Spring Length: 32" C - Leaf Spring Arch: 3-7/8" D - Leaf Spring Pack Thickness: 5-1/2" Leaf Spring Capacity: 9,200 lbs. Leaf Spring OEM Number: K223-1134 Leaf Spring Eye Threaded Bushings: Front TB-68 / Rear TB-68 Leaf Spring Material: 8/.625, 1/.499 Location - Front Verify the OEM part number and measurements to confirm compatibility before purchasing. Need help? Visit: How to Identify a Leaf Spring.   Leaf spring 59-410 is the front leaf spring on Kenworth C500B, C550B, K100E Cab Over Engine, T400A, T400B, T450, T450B, T600A, T600B, T800 and T800B heavy duty trucks. The spring is 4" wide, is a 9 leaf spring and the capacity is 9,200 lbs. The OEM part number is K223-1134. Models And Year Ranges: Fits: 1988-2021 Front Kenworth C500B and C550B Fits: 1984-2003 Front Kenworth K100E Cab Over Engine (With Set Back Axle) Fits: 1988-2003 Front Kenworth T400A, T400B, T450 and T450B Fits: 1985-2004 Front Kenworth T600A, T600B, T800 and T800B