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Description
2006 - 2022 Kenworth & Peterbilt T400-T880, W900B-W990 And 357-587 Front Leaf Spring - 2 Leaves - 59-550*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 1 16" D Leaf Spring Pack Thickness: 2. 31" Leaf Spring Capacity: 6,600 lbs. Leaf Spring OEM Number: B81 6013 001 Leaf Spring Eye Rubber Incased Bushings: Front RB 295 Rear RB 328 Leaf Spring Material: PD . 215 2 . 984 Location Front Alternate SKU: B816013001, B81 6013 004, B816031004,
- *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: 6-1/16"
- D - Leaf Spring Pack Thickness: 2.31"
- Leaf Spring Capacity: 6,600 lbs.
- Leaf Spring OEM Number: -B81-6013-001
- Leaf Spring Eye Rubber Incased Bushings: Front RB-295 / Rear RB-328
- Leaf Spring Material: PD/.215 2/.984
- Location - Front
- Alternate SKU: B816013001, B81-6013-004, B816031004, 59550
Verify the OEM part number and measurements to confirm compatibility before purchasing. Need help? Visit: How to Identify a Leaf Spring.
Leaf spring 59-550 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 6,600 lbs. The OEM part number is B81-6013-001. Replace in pairs.
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: 2008-2022 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
Shipping Notes
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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