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(888) 312-8812 Login SignupSTEERING KNUCKLE
Rebuild front-end support with the Mack Steering Knuckle. Designed as a front spindle and knuckle assembly, this component connects key wheel-end, suspension, and steering system elements within the steer axle. Built for Mack applications, it provides the proper structure and mounting points required for reliable front-end assembly. When replacing a worn or damaged knuckle, choosing this genuine Mack 21063577 helps restore proper alignment and maintain dependable steering performance.
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