This O-ring fits the screw that secures the cap of MS1.0 and MS2.0 aluminium gear differential cases and acts as a seal to reduce oil seepage around the cap fastener on RC differentials. The item is supplied as a 10-piece pack for routine replacement during servicing.
Designed for model builders and tuners who service gear differentials, the component helps preserve internal oil and reseal the case following teardown. Install a fresh O-ring when inspecting the differential or renewing bearings and spur gear parts.
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