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(888) 312-8812 Login SignupBolster Spring Service Kit with Wear Plate - One Side
Suspension sag is often the result of fatigued rubber components that can no longer support working loads. The Hendrickson Suspension Bolster and Auxiliary Spring Set replaces those worn elements at a single wheel end, restoring proper support where the axle meets the beam. Each elastomeric spring is engineered with a progressive response, remaining compliant during light operation while firming up as payload increases to prevent bottoming. A hardened wear plate is included to absorb constant contact between the spring and beam, protecting critical suspension castings from erosion and damage. With fresh Hendrickson 64179-049 components in place, the suspension returns to a level stance that supports stable handling and consistent load control.
| Key No | Key Nos. 20-22 |
| Note | Bolster Spring |
| Nut | ½"-13 UNC Flange Nut |
| Plate | Wear Plate |
| Brand | Part Number |
|---|---|
| HDR64179049 | |
| ATRO | KT50-25002, KT50-25003 |
| EUCLID | E16356 |
| PAI | 750510 |
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