Restore the load-carrying performance and ride stability of your heavy-duty commercial truck suspension with the Automann 500.729 Auxiliary Spring Kit. Engineered to Fleet Standard level specifications, this comprehensive kit is a direct replacement for Hendrickson HAULMAAX series heavy-duty rubber suspensions.
This all-in-one kit eliminates the hassle of sourcing hardware separately by including the primary bolster/auxiliary spring along with the high-strength bolts and locking nuts required for a complete, secure installation.
Premium Component Kit: Includes (1) MHS225 Auxiliary Spring, (3) MFB120214C Flange Bolts, and (3) FLNC102 Flange Lock Nuts.
HAULMAAX Optimized: Explicitly designed to handle the high stress and load distribution requirements of Hendrickson HAULMAAX series rear suspensions.
Heavy Duty Durability: Manufactured with high-grade rubber and robust hardware components to resist cracking, splitting, and premature wear under maximum payloads.
Direct OEM Fit: Engineered to precise factory alignment standards for a seamless installation.
| Attribute | Specification Details |
|---|---|
| Brand | Automann |
| Part Number | 500.729 |
| Alternate Part Number | MHS225K |
| UPC Code | 889626168437 |
| Product Level | Fleet Standard |
| Suspension Series | Hendrickson HAULMAAX Series |
| Kit Contents | 1x MHS225, 3x MFB120214C, 3x FLNC102 |
| Application | Hendrickson Heavy Duty Suspension |
| Unit Quantity | 1 Kit |
| Weight | 3.56 lbs |
| Package Dimensions | 9.25" x 6.00" x 5.00" |
This heavy-duty suspension kit serves as a direct replacement for the following OEM and aftermarket part numbers:
Hendrickson: 64179-004, 64179004, 641794
Euclid: E-14534, E14534
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