Over the years, through regular wear and tear, the trolley assembly on the garage door operator can wear out and need to be replaced. The 41B3869-3A replacement trolley assembly is compatible with various Liftmaster, Sears, Craftsman and Raynor belt drive garage door operators. The trolley assembly includes the inner and outer trolley, master links, ring, clevis pin, belt clip, threaded shaft and tension assembly. Compatible with T-rail belt drive openers.
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5.0