Easy Installation : Simply disconnect the old fuels solenoid from your riding and install the new Please note : Ensures shut off the fuels line before installation and wear work gloves to protect your hands Suitable for 305772-0001-B1 305777-0033-G1 331977-0004-G1 31R907-0062-G1 33R777-0003-G1 33R877-0032-G1 21R702-0003 21R706-0062 21R772-0025-H1 21R777-0027-B1 21R707-0001 and more riding mowers for 17.5hp , 18.5hp , 19hp , 19.5hp engine fuels solenoid This fuels solenoid valves enables precise control of fuels flows When the engine stops running , it immediately cut off the fuels supply , fuels from entering the carburetor and enhancing the operational of lawns and garden equipment This fuels solenoid valves is make of stainless steel and can withstand vibrations , , and extreme conditions Perfectly fits lawns garden equipment engines including models 33R877-0032-G1 , 33R877-0033-G1 , 31R907-0062-G1 , and more , designed to restores full functionality to your equipment, Manufacturer: Zeizafa