Kenworth, Peterbilt Front Leaf Spring | 2 Leaves | 6,560 lbs. Capacity

SKU 59-646

$567.26
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Product Specifications

  • Length (A): 27-1/4 Inches
  • Length (B):32-3/16 Inches
  • Width:4 Inches
  • Location:Front
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  • Typically ships in 5 to 7 business days.

Product Specs for Leaf Springs 59-646

  • Length (A): 27-1/4 Inches
  • Length (B):32-3/16 Inches
  • Width:4 Inches
  • Location:Front
  • Number of Leaves:2
  • Application:Kenworth
  • Application:Peterbilt
  • SRI Number:59-646
  • OEM Number:B81-6045-001
  • Arc (C):5-1/2 Inches
  • Pack Thickness (D):3-1/16 Inches
  • Capacity:6,560 lbs.
  • Front Bushing:Included / RB-308
  • Rear Bushing:Included / RB-324
  • Spring Construction:Pad/315 2/1.063 Pad/315 Pad/236
  • Note:Full taper spring.
  • MPN: 59-646
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Leaf Springs 59-646 Details

Vehicle Applications

  • Kenworth T400, T440, T450, T470, T600, T660, T680, T800 and T880; 59" Springs; 2006-16; 12,000 through 14,600 lbs. axles
  • Kenworth T400, T440, T450, T470, T600, T660, T680, T800 and T880; 59" Springs; 2006-16; 14,600 through 24,000 lbs. axles
  • Kenworth W900B and W900L; 2008-16; 12,000 through 14,600 lbs. axles
  • Kenworth W900B and W900L; 2008-16; 14,600 through 24,000 lbs. axles
  • Peterbilt with 4 inch wide springs except LCF; 365, 367, 388, 389, 567 and 587; 14,600 to 24,000 lbs. axles
  • Peterbilt with 4 inch wide springs except LCF; 384, 386; 2006-15

Customer Q&A - Leaf Springs 59-646


Leaf Springs

At TruckSpring / Michigan Truck Spring, we obtain our leaf springs from various sources throughout the world. All of the manufacturers that we represent produce leaf springs that are as good as or better quality than OEM springs.

Virtually no vehicle manufacturer actually manufactures their own leaf springs. Like many other truck components, leaf springs are purchased from companies specializing in supplying parts to truck manufacturers. The springs we sell have the same or better quality as OEM springs and many times are purchased from the same manufacturer.

Leaf Springs Warranty

1 Year Limited Warranty

On all leaf springs.

What the warranty does not cover

Damage from accidents, corrosion, improper installation, incorrect applications, overloading, and custom applications that are not specified under the OEM cross references. This warranty does not cover loss of freight, loss of profit, equipment, or personal downtime. Any alteration of products will void the warranty. Warranty is void if new u-bolts are not installed when the new leaf spring is installed. Using existing u-bolts is a common cause for leaf spring breakage and failure.

How to get service

If a leaf spring failure results from a manufacturer defect, contact us at Michigan Truck Spring for support. You can contact us by phone at 1-800-358-4751 or by using our contact form.

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