1984 - 1996 Isuzu & GMC FVR, W7H, FTR And W7M Rear Leaf Spring 56-173

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Isuzu and GMC truck rear leaf spring part number 56-173.

  • *Diagram Spring May Differ From Actual Spring*
  • Number of Leaves - 7 (7/2PD)
  • Leaf Spring Width - 3-1/8"
  • A - Leaf Spring Length: 28"
  • B - Leaf Spring Length: 33-1/4"
  • C - Leaf Spring Arch: 7"
  • D - Leaf Spring Pack Thickness: 4-1/2
  • Leaf Spring Capacity: N/A
  • Leaf Spring OEM Numbers: 1-51310-884-0 and 94058544
  • Leaf Spring Eye Bushings: Front M8-3428 / Rear Slipper
  • Leaf Spring Material: 1/12mm, 6/13mm, pad 2/12mm
  • Location - Rear


The 56-173 leaf spring fits the rear of 1984 - 1996 Isuzu and GMC FTR, W7M, W7H and FVR heavy duty trucks. This spring is 3-1/8" wide, is a 7 leaf spring with 2 pads and the OEM part numbers are 1-51310-884-0 and 94058544.

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Quality: Lasts longer. High-quality, durable parts that can withstand use and wear over time.Performance: Performs better. Parts that enhance and maintain the performance of you vehicle. Correct fit and function as expected.Value for Money: Cost with quality balanced. No better products at any price point.Brand Reputation: 30+ years of customer satisfaction.

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