Description
- *Diagram Spring May Differ From Actual Spring*
- Number of Leaves – 2
- Leaf Spring Width – 4″
- A – Leaf Spring Length: 27-5/16″
- B – Leaf Spring Length: 32-1/4″
- C – Leaf Spring Arch: 6-3/16″
- D – Leaf Spring Pack Thickness: 2-1/4″
- Leaf Spring Capacity: 6,000 lbs.
- Leaf Spring OEM Number: B81-6012-001, B81-6012-004
- Leaf Spring Eye Bushings: Front RB-295 / Rear RB-328
- Leaf Spring Material: PD/.214 2/.984
- Location – Front
Leaf spring 59-548 is the front leaf spring on Kenworth W900B, W900L, W990, T400, T440, T450, T470, T600, T660, T680, T800 and T880. Also fits Peterbilt 365, 367, 384, 386, 388, 389, 567 and 587. The spring is 4″ wide, is a 2 leaf spring and has a capacity of 6,000 lbs. The OEM part number is B81-6012-001 and B81-6012-004
Models And Year Ranges:
Fits: 2006-2021 Front Kenworth T400, T440, T450, T470, T600, T660, T680, T800 and T880 (12,000 lb. – 14,600 lb. Axles Only)
Fits: 2008-2021 Front Kenworth W900B and W900L (12,000 lb. – 14,600 lb. Axles Only)
Fits: 2019-2021 Front Kenworth W990 (12,000 lb. – 14,600 lb. Axles Only)
Fits: 2006-2021 Front Kenworth 365 and 367 (12,000 lb. – 14,600 lb. Axles Only)
Fits: 2006-2021 Front Kenworth 388 and 389 (12,000 lb. – 14,600 lb. Axles Only)
Fits: 2013-2021 Front Kenworth 567 (12,000 lb. – 14,600 lb. Axles Only)
Fits: 2012-2021 Front Kenworth 579 (12,000 lb. – 14,600 lb. Axles Only)
Fits: 2010- 2018 Front Kenworth 587 (12,000 lb. – 14,600 lb. Axles Only)
Fits: 2006-2015 Front Peterbilt: With 4″ Wide Leaf Springs Except LCF; 384, 386
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