SKU: 17880966440

1987 - 2007 Peterbilt Conventional 357-379 Front Leaf Spring - 6 Leaves - 75-202

Sale price$188.54 Regular price$209.49
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Description

1987 - 2007 Peterbilt Conventional 357-379 Front Leaf Spring - 6 Leaves - 75-202*Diagram Spring May Differ From Actual Spring* Number of Leaves 6 Leaf Spring Width 4" A Leaf Spring Length: 25 1 8" B Leaf Spring Length: 26 5 8" C Leaf Spring Arch: 4 1 2" D Leaf Spring Pack Thickness: 3 7 8" Leaf Spring Capacity: 8,200 lbs. Leaf Spring OEM Number: 02 02074 Leaf Spring Eye Bushings: Front RNK Rear RNK Leaf Spring Material: Pad 1 . 323, 5 . 499, Second 1 . 999 Location Front Verify the OEM part number and measurements to confirm

  • *Diagram Spring May Differ From Actual Spring*
  • Number of Leaves - 6
  • Leaf Spring Width - 4"
  • A - Leaf Spring Length: 25-1/8"
  • B - Leaf Spring Length: 26-5/8"
  • C - Leaf Spring Arch: 4-1/2"
  • D - Leaf Spring Pack Thickness: 3-7/8"
  • Leaf Spring Capacity: 8,200 lbs.
  • Leaf Spring OEM Number: 02-02074
  • Leaf Spring Eye Bushings: Front RNK / Rear RNK
  • Leaf Spring Material: Pad 1/.323, 5/.499, Second 1/.999
  • 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 75-202 is the front leaf spring on 1987 - 2007 Peterbilt 357, 375, 376, 377, 377 A/E, 378 and 379. This spring is 4" wide, is a 6 leaf spring with a pad and the capacity is 8,200 lbs. The OEM part number is 02-02074.


Models And Year Ranges:

Fits: 1987-2000 Front Peterbilt 375 And 376

Fits: 1987-2007 Front Peterbilt 357, 377, 377 A/E, 378 And 379 (With Set Forward Axle)

Shipping Notes
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Exchange/Return Notes
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SKU: 17880966440

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4.6 ★★★★★
Based on 22 reviews
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A
Verified Purchase
Amazon Customer
Draper, US
★★★★★ 5
Work as well as the NGK's
Bought for a 2016 Mazda 6, I had NGK's in it for 5 months and had misfires, didnt have the money to throw more NGK's at it for troubleshooting. Bought these to try and they work great so far.
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Reviewed in the United States on April 29, 2026
C
Verified Purchase
Christopher D. Bodirsky
Waukegan, US
★★★★★ 4
Faulty plug? Otherwise great set
Definitely better than the old plugs that probably had 80k miles on them. The one star off is because I had a misfire after installing. Not sure if I damaged the plug or what, but a reinstall didn't fix the misfire. In my genius, I rushed to try to gap it and ended up breaking the iridium tip. Put the old plug into cylinder 3 (where the misfire was) and it was fine. Gonna have to get a new single tomorrow at my local shop, but a bit frustrating to get a misfire after install.
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Reviewed in the United States on April 27, 2026
B
Verified Purchase
Britincali
New York, US
★★★★★ 5
Upgrade from OEM
After seeing a quite ludicrous $403 quote to change 4 spark plugs in a Mazda3 I decided to show my son how easy it is. These were an upgrade from OEM parts. They were gapped perfectly for the car. They took 20mins to fit and work fine.
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Reviewed in the United States on February 11, 2026
A
Verified Purchase
ANDRES FIGUEROA
Louisville, US
★★★★★ 5
Very good
The best quality. Runs like new again.
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Reviewed in the United States on March 12, 2026
A
Verified Purchase
Ale
Birmingham, US
★★★★★ 1
garbage spark plugs
misfired after 30 minutes of driving cylinder 4 misfire code, left me stranded on the highway with baby in car. “(9621)” at the end of description is a lie, was not compatible with my vehicle even with compatibility test.
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Reviewed in the United States on May 17, 2026

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