A-B1799171-AI SPRING-GOVERNOR
A-B1799171-AI SPRING-GOVERNOR
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One New Aftermarket Replacement Governor Spring Fits Briggs and Stratton (B&S) Small Engines
This governor spring is a critical component of the engine speed control system on Fits Briggs and Stratton (B&S) small engines. It maintains proper tension on the governor linkage, regulating throttle response and keeping engine speed stable under varying load conditions. A worn or broken governor spring can cause hunting, surging, or runaway engine speed -- replacing it restores smooth, controlled operation.
Compatible Models
Fits Briggs and Stratton (B&S) Vanguard / Twin-Cylinder Engines: Fits many engines in the 405577, 407777, 409777, 40G777, 40H777, 40N877, 40R677, 40R777, 40S777, 40T876, 40T877, 40U877, 445577, 445677, 44C677, 44C877, 44J677, 44L777, 44M777, 44M977, 44N677, 44N777, 44N877, 44P777, 44P977, 44Q777, 44Q977, 44R577, 44R677, 44R877, 44S977, 44U677, 44U777, 44U877, 49J677 series. Verify compatibility using your engine model and type numbers before ordering.
Replaces Part Number(s):
799171, B1799171, A-B1799171-AI
New aftermarket replacement part - not remanufactured, not used.
