1978 - 2021 Navistar International & Fire Apparatus 4100-4400, MV, HV, 7300-7700, 8500, 8600, S-Series, Amtran, 9000 Series, Lonestar, Prostar And Paystar 5000 Rear Helper Spring 55-037

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Navistar international and fire apparatus rear helper leaf spring 55-037.

  • Number of Leaves - 4
  • Leaf Spring Width - 3"
  • A - Leaf Spring Length: 19-3/4"
  • B - Leaf Spring Length: 19-3/4"
  • C - Leaf Spring Arch: 3"
  • D - Leaf Spring Pack Thickness: 1-7/16"
  • Leaf Spring Capacity: 2,250 lbs.
  • Leaf Spring OEM Number: 473725C91
  • Leaf Spring Eye Bushings: Front Slipper / Rear Slipper
  • Leaf Spring Material:  4/.360
  • Location - Rear

Leaf spring 55-037 is the rear helper spring for Navistar International 4100-4400, MV607, MV607H, 7300-7700, HV507, HV513, HV607, HV613, 8500, 8600 Series 1400-8300, S-Series, 1400-8300, Amtran Genesis, Amtran FE, RE, Paystar 5000, 9100-9900, Lonestar, Prostar, LT625 and RH613. Also fits Fire Apparatus Ferrara, Pierce and Emergency One. This spring is 3" wide, is a 4 leaf spring and has a capacity of 2,250 lbs. The OEM part number is 473725C91.

Models And Year Ranges:

Fits: 2002-2021 Rear Navistar International 4100, 4200, 4300, 4400, MV607 And MV607H

Fits: 2002-2021 Rear Navistar International 7300, 7400, 7500, 7600, 7700, HV507, HV513, HV607, GV613, 8500 And 8600

Fits: 1978-1988 Rear Navistar International S Series

Fits: 1987-2012 Rear Navistar International 1400-1652

Fits: 1989-202 Rear Navistar International 2554-2674

Fits: 1989-2004 Rear Navistar International 3000, 3400-3900

Fits: 1989-2003 Rear Navistar International 4500-4900

Fits: 1988-2003 Rear Navistar International 7100, 8100-8300

Fits: To 2004 Rear Navistar International Amtran Genesis, Amtran FE And RE; IC, CE, FE And RE

Fits: Rear Navistar International Paystar 5000

Fits: 1981-2021 Rear Navistar International 9100-9900, Lonestar, Prostar, LT625 And RH613

Fits: Fire Apparatus Pierce (With International Suspension)

Fits: Fire Apparatus Ferrara

Fits: Fire Apparatus Emergency One (With International Suspension)

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