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Upper right-hand wheel-end work needs the Hendrickson Knuckle Backbone Spindle for the backbone-style connection point on tag or pusher axle setups. This part is built around the upper RH side, which matters because knuckle orientation affects how the wheel-end hardware lines up. Non-driven axle service still carries steering and support demands, even without drive torque running through the assembly. The backbone structure gives the spindle and knuckle area a formed support point for turning and load movement. The Hendrickson R-003259-2 places the upper right-hand knuckle service in the correct tag or pusher axle position.
| Brand | Part Number |
|---|---|
| HDRR0032592 | |
| POWER10 PARTS | HT-R003259-2 |
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