Engineered for Class 7–8 commercial tractors, regional distribution chassis, and severe-duty vocational trailers across North America, the 4709 Repair Kit delivers a dedicated foundation hardware renewal solution. Tailored specifically to service standard 16.5" x 7" brake assemblies utilizing 4709, 4726, and 4719 brake shoes, this kit integrates fatigue-tested high-tensile return springs, precision anchor pin retention hardware, induction-hardened rollers, and anti-friction bushings. Upgrading worn wheel-end hardware with this single-SKU overhaul set stops shoe dragging, balances mechanical retraction pull force, and cuts preventative maintenance bay downtime.
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