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The magnetic carburetor valve (solenoid) for Briggs & Stratton 21R-31R-31S-33R 846639 is a genuine or compatible spare part for the proper operation of the engine.
The solenoid carburetor valve regulates the fuel supply, ensuring:
It is compatible with Briggs & Stratton engines 21R, 31R, 31S, 33R and spare part code 846639, offering reliable performance and high wear resistance.
Replacing the worn solenoid valve helps reduce problems such as engine stalling and hard starting. Ideal for lawn mowers, garden tractors, and professional machines with Briggs & Stratton engines.
Genuine Briggs & Stratton spare part
Fits engines: 21R7, 3057, 31A5, 31N6, 31P6, 31Q6, 31R5, 31R7, 31R8, 31R9, 31S9, 31U9, 3317, 3318, 3319, 33M6, 33M7, 33M9, 33R7, 3567.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.