The Hendrickson S-21399-3 is a genuine Hendrickson brake slack adjuster kit. This part is categorized as a position-not-specified slack adjuster repair kit, making it applicable where the original Hendrickson slack adjuster requires service or replacement. Sold as an individual unit by Pro Gear and Transmission. Call us to confirm proper fit before ordering.
Interchanges:
- MD40020211
- WN4332259252
Features
Genuine Hendrickson brake slack adjuster kit
Part number S-21399-3 or S213993
Sold as an individual unit (each)
Call Pro Gear and Transmission to confirm fitment for your specific application
