Description
- *Diagram Spring May Differ From Actual Spring*
- Number of Leaves – 7 (PD/6/1)
- Leaf Spring Width – 4″
- A – Leaf Spring Length: 35-3/8″
- B – Leaf Spring Length: 32″
- C – Leaf Spring Arch: 4″
- D – Leaf Spring Pack Thickness: 5-7/8″
- Leaf Spring Capacity: 10,500 lbs.
- Leaf Spring OEM Number: 02-01817
- Leaf Spring Eye Bushings: Front RNK / Rear HK-3
- Leaf Spring Material: Pad 1/.625, 6/625, Second 1/1.197
- Location – Front
- Models With Cast Eye Type Springs
Leaf spring 75-178 is the front leaf spring on Peterbilt 325, 330, 335, 337, 340, 348, 357, 359, 320 and 350 Low Cab Forward. The spring is 4″ wide, is a 7 leaf spring with a pad and has a capacity of 10,500 lbs. The OEM part number is 02-01817.
Models And Year Ranges:
Fits: Front Peterbilt 320 And 350 Low Cab Forward
Fits: 1987-2007 Front Peterbilt 357 And 359 (With Set Back Axle)
Fits: Front Peterbilt325, 330, 335, 337, 340, 348, 357 And 359






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