The Hendrickson auxiliary spring, part number 64179-004 (also listed as 641794), is a genuine Hendrickson suspension component sourced directly through Pro Gear and Transmission. Auxiliary springs work alongside primary suspension springs to manage additional load, helping maintain ride height and stability under heavier payloads. This part carries the Hendrickson part number in both hyphenated and non-hyphenated formats: 64179-004 or 641794. If you need to verify this is the correct auxiliary spring for your suspension system, call us and we can help confirm proper fit before you order.
Features
Genuine Hendrickson auxiliary spring
Part number: 64179-004 or 641794
Designed to supplement primary suspension springs under increased load
Sold by Pro Gear and Transmission
Call to confirm proper application fit
