A-B1391737-AI GEAR-GOVERNOR
A-B1391737-AI GEAR-GOVERNOR
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One New Aftermarket Replacement Governor Gear Fits Briggs & Fits Stratton Small Engines
This governor gear is a key component of the mechanical governor system in Fits Briggs & Fits Stratton small engines. It regulates engine speed by controlling throttle position, maintaining consistent RPM under varying load conditions to protect the engine from over-speeding and improve fuel efficiency. The gear is located in the crankcase and driven off the camshaft.
Compatible Models
Fits Briggs & Fits Stratton Engine Series: 080000 Series (includes models 080201, 080202), 100000-19Z999 Series (includes 135200-135299 range). Fits Briggs & Fits Stratton engine series used in lawn mowers, lawn tractors, and outdoor power equipment. Always verify by engine model and type number before ordering.
Replaces Part Number(s):
391737, B1391737, A-B1391737-AI
Aftermarket Interchange Numbers
IH-75205-C1
New aftermarket replacement part - not remanufactured, not used.



