1995 - 2021 Isuzu And GMC NPR, NQR, NRR And W Series Rear Leaf Spring 56-251
SKU: 95615109474

1995 - 2021 Isuzu And GMC NPR, NQR, NRR And W Series Rear Leaf Spring 56-251

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Description

1995 - 2021 Isuzu And GMC NPR, NQR, NRR And W Series Rear Leaf Spring 56-251*Diagram May Differ From Actual Spring* Number of Leaves 6 Leaf Spring Width 2 3 4" A Leaf Spring Length: 26 9 16" B Leaf Spring Length: 26 9 16" C Leaf Spring Arch: 3 11 16" D Leaf Spring Pack Thickness: 2 9 16" Leaf Spring Capacity: 3,700 lbs Leaf Spring OEM Numbers: 97119980 and 8971199800 Leaf Spring Eye Bushings: Front RB 246 Rear RB 186 Leaf Spring Material: 5 11MM 1 10MM Location Rear Verify the OEM part number and measurements to confirm

  • *Diagram May Differ From Actual Spring*
  • Number of Leaves - 6
  • Leaf Spring Width - 2-3/4"
  • A - Leaf Spring Length: 26-9/16"
  • B - Leaf Spring Length: 26-9/16"
  • C - Leaf Spring Arch: 3-11/16"
  • D - Leaf Spring Pack Thickness: 2-9/16"
  • Leaf Spring Capacity: 3,700 lbs
  • Leaf Spring OEM Numbers: 97119980 and 8971199800
  • Leaf Spring Eye Bushings: Front RB-246 / Rear RB-186
  • Leaf Spring Material: 5/11MM 1/10MM
  • Location - Rear

 

Verify the OEM part number and measurements to confirm compatibility before purchasing. Need help? Visit: How to Identify a Leaf Spring.

 

The 56-251 leaf spring fits the rear of Isuzu NPR, NQR, NRR, Chevy/GMC W35, 3500, W4, W45, 4500, W55, 5500, W55HD and 5500XD heavy duty trucks. This spring is 2-3/4" wide, is a 6 leaf spring and the capacity is 3,700 lbs. The OEM part numbers are 97119980 and 8971199800.


Models And Year Ranges:

Fits: 1995-2001 Rear Isuzu NPR (NPR Gas; 53" Long 10/95 -7/07)

Fits: 1999-2021 Rear Isuzu NQR

Fits: 2005-2021 Rear Isuzu NRR

Fits: 1995-2021 Rear Chevy/GMC W35/3500, W4 and W45/4500

Fits: 1999-2021 Rear Chevy/GMC W55/5500

Fits: 2005-2021 Rear Chevy/GMC W55HD/5500XD

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.
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SKU: 95615109474

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4.2 ★★★★★
Based on 332 reviews
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Sean
Birmingham, US
★★★★★ 4
I recommend using the KONG Extreme Dog Toy
Style: Sport, Size: Large
Helpful for throwing as much as my dog wants to fetch. I actually had to get a cortisone injection in my shoulder a few months after getting my dog - never had a dog with this much energy before! The Chuckit really helps. Downside: The ball that comes with it is larger than a tennis ball, so may be too much for smaller doge. I can't imagine my sister-in-law's french bulldog carrying it! Also, in our house it gets destroyed within minutes, as my dog is a strong chewer. For this situation, I recommend using the KONG Extreme Dog Toy, Black, size Large. This is shaped sort of like a snowman, which means it bounces unpredictably at times. My dog eventually chews the "head" off of this toy, but the remaining 2/3 still fits in the Chuckit (and is actually easier to throw with the "head" missing!). One caveat: the KONG is significantly heavier than the ball included with the Chuckit, so be aware of that... Also, we ordered our first Chickit in October 2015, then needed to replace it in May of 2017, as it broke. I think the plastic became brittle over that time, as we left it out in the sun & rain in Florida. Since it is cheap to replace, that's not a big deal. (We ordered three Kong toys over that same period of time!) To summarize, it's a very helpful tool to get the ball further, faster, with less strain, than without it. Knowing there are alternatives to the included ball for heavy chewers makes it worthwhile.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 19, 2017
D
Verified Purchase
DesertRoads
Grantham, US
★★★★★ 5
Great Ball Launcher!
Style: Sport, Size: Large
Our dogs love this ball launcher! I can throw the ball long distances without any arm strain. The balls wear out, and as described by others, tennis balls don’t fit. Buy extra balls if this is of concern. We bought a few of the “Chuck It” rubber 3” balls and they have worked well for our dogs. It’s a great value and fun for the dogs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 28, 2025
C
Verified Purchase
Cheri Who
San Leandro, US
★★★★★ 5
Chuckit!! Just Chuck it!!
Style: Sport, Size: Large
Chuck it further than your skinny little arms can chuck it. Doggo loved this, I loved this and when we were done Doggo promptly hid it under the porch so I couldn’t take it from him. It’s not a squeaky toy, it’s for fetch. You wing it out toward the yard and it flies, bounces if it’s lucky then is attacked in an adoring manner. We like it!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
D
Verified Purchase
Don L. III
Massapequa, US
★★★★★ 5
Great to exercise the dogs!
Style: Sport, Size: Large
Great to throw 3” KONG Ball (RED) with hole thru it! The thrower is the best to exercise dogs with retrieving balls!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
D
Verified Purchase
Daisy l.
Birmingham, US
★★★★★ 5
Doesn’t squeak but the dogs still love them
Our doggies love them!! Very durable! They do not squeak though
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026

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