1988 - 1994 Isuzu & GMC NRR, W5 Rear Leaf Spring 56-113
SKU: 24878040835

1988 - 1994 Isuzu & GMC NRR, W5 Rear Leaf Spring 56-113

Sale price$126.90 Regular price$141.00
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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

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Description

1988 - 1994 Isuzu & GMC NRR, W5 Rear Leaf Spring 56-113Number of Leaves 5 (5 2PD) Leaf Spring Width 70mm (2 3 4") A Leaf Spring Length: 25 9 16" B Leaf Spring Length: 25 9 16" C Leaf Spring Arch: 5 7 8" D Leaf Spring Pack Thickness: 3 1 8" Leaf Spring Capacity: N A Leaf Spring OEM Number: 1 51310 709 0 and 94054959 Leaf Spring Eye Bushings: Front M7 3025 Rear M7 3025 Leaf Spring Material: 1 12mm, 3 13mm, 1 12mm, Pad 1 9mm, Pad 1 8mm Location Rear Verify the OEM part number and measurements to confirm

  • Number of Leaves - 5 (5/2PD)
  • Leaf Spring Width - 70mm (2-3/4")
  • A - Leaf Spring Length: 25-9/16"
  • B - Leaf Spring Length: 25-9/16"
  • C - Leaf Spring Arch: 5-7/8"
  • D - Leaf Spring Pack Thickness: 3-1/8"
  • Leaf Spring Capacity: N/A
  • Leaf Spring OEM Number: 1-51310-709-0 and 94054959
  • Leaf Spring Eye Bushings: Front M7-3025 / Rear M7-3025
  • Leaf Spring Material: 1/12mm, 3/13mm, 1/12mm, Pad 1/9mm, Pad 1/8mm
  • Location - Rear


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

 

The 56-113 rear leaf spring fits 1988 - 1994 Isuzu and GMC NRR, W5 heavy duty trucks. The spring is 70mm (2-3/4") wide, is a 5 leaf spring with 2 pads and the OEM part numbers are 1-51310-709-0 and 94054959.

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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SKU: 24878040835

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4.8 ★★★★★
Based on 452 reviews
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C
Verified Purchase
Carb was beautiful once I got it tune in, cranks great runs smooth I would buy it again if needed
West Palm Beach, US
★★★★★ 5
For motorcycles
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
Great stuff, good price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
J
Verified Purchase
JNL
Grantham, US
★★★★★ 5
The best lower unit gear oil I have used
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
I have been boating my whole life, this is by far the best gear oil. I use this in my Johnson 115 even though this is technically made by Mercury. I seem to get less if any water intrusion into my gearcase with this oil. If there is any, the oil emulsifies the water and continues to protect the gears. I have had better luck with this than Pennzoil marine or others. Highly recommend. It is a blue color and easy to drain and fill.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
D
Verified Purchase
Debra
Dallas, US
★★★★★ 5
Great
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
Great lube for the boat
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
J
Verified Purchase
Joshua Murray
Massapequa, US
★★★★★ 5
recommend
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
great price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
C
Verified Purchase
Christopher C.
Pawtucket, US
★★★★★ 4
Does not come with a pump.
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
The Good: Changing the fluid in the lower unit is a very easy DIY job. This can save you hundreds of dollars each year by doing it yourself. The Bad: You need a special pump to change the oil, and sometimes it comes with the gear lube. Unfortunately this product did not come with it. Luckily my neighbor had an extra one from changing the lube a different boat laying around and was able to use that. The Ugly: If you have to go get the pump, that could cost a few extra dollar but is just an extra nuisance. The pumps are interchangable but you just need to clean it between uses (DON'T MIX DIFFERENT OIL BRANDS)
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Reviewed in the United States on October 28, 2025

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