Front Leaf Spring | Volvo | Volvo 20551557 / 20499478 ~ Hendrickson 64772-000 | FleetRun FR-SPSN639


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Part Number

  • FleetRun: FR-SPSN639

Cross Reference Part Number

  • Volvo: 20551557 / 20499478 / 20462920
  • Hendrickson: 64772-000 / 60961072 / 64485000 / 64772 / 64772000 / 65215 / 65215000
  • Automann: 50-220 / 50-220OE
  • Misc. Industry Part Number: 2QK515M / 50220SST / BMP50-220


  • A ~ Along Leaf Spring Surface Length (Front Bushing Center To Center Pin): 27.3125 in.
  • B ~ Along Leaf Spring Surface Length (Center Pin To Rear Bushing Center): 31.125 in.
  • C ~ Arch Height: 4.875 in.
  • D ~ Leaf Spring Thickness: 1.1875 in.
  • Width: 4.00 in.
  • Weight Capacity: 12,000-14,600 lbs.
  • Includes Front And Rear Bushings
  • Works With Hendrickson Airtek Suspension
  • Location: Front / Steer Axle
  • Leaf Spring With Air Springs Also Supporting The Axle
  • Compatible With Hendrickson AirTek Suspension

Please note: this is an aftermarket part, the use of other manufacturer's names, part numbers or trademarks is for informational purposes only.

Please verify OEM part numbers before purchasing, FleetRun assumes no liability related to product use and fitment.

The FleetRun FR-SPSN639 Front Axle Leaf Spring is a crucial part of any Volvo / Hendrickson AirTek suspension system. Designed to provide optimal support and stability to your vehicle's front end, this leaf spring is a true main support member in the most demanding conditions. It is compatible with models between 2004-2023+ VNL, VNM, VNX, and VHD.

Made with precision and quality in mind, this leaf spring is manufactured to meet or exceed OEM standards. It is designed to withstand heavy loads and rough terrain, with a weight capacity of 12,000-14,600 lbs. The leaf spring comes with front and rear bushings included and are designed to work seamlessly with the Hendrickson Airtek Suspension.

If you're looking for a reliable and durable front axle leaf spring, look no further than FleetRun FR-SPSN639. Contact us with any questions and we'll be glad to answer them, also be sure to check out or other related components. As a business, we pride ourselves on our manufacturing excellence and customer satisfaction. Upgrade your suspension system today and experience the difference with FleetRun.

  • For other information such as tips and tricks or troubleshooting from technicians and shops visit our Shop Talk page from our menu
  • 2004-2023+ Volvo VNL
  • 2004-2017 Volvo VNM
  • 2013-2023+ Volvo VNX
  • 2004-2023+ Volvo VHD

Volvo VNL front end shaking

Failed bushings in the steer axle leaf springs or upper shackle brackets can cause your Volvo truck to shake, sometimes it can be noticed if you press the brakes firmly while coming to a stop. Failed bushings DOES NOT mean you need to replace your leaf springs, a repair shop can just replace the bushings if necessary (recommended to replace all 3 bushings on each leaf spring).

Steer tire wear

Poor or premature wear can also be a sign of a failed leaf spring and/or bushings, please note this is not always the case and is recommended to verify the cause with a qualified repair facility.

How do I know if my truck needs new leaf springs?

Some definite signs are:

  • broken spring(s)
  • failed bushings (verify free play or damage with a repair shop)
  • truck front end leaning to one side and the leaf spring has flattened out
  • uneven and/or steer tire wear patters