KELCH 7J203658 Gauged Golf Cart Gas Cap For Yamaha G16, G20, G22, G27, And G Max Yamaha Golf Cart Gas Cap With Gauge Fits Lots Of G Models- Check description for details These Threaded Gas Caps Will Fit On A 2 1/4" Diameter Filler Neck, And Work In A Tank That Is At Least 13 3/4" Deep Made in the U.S.A.