Replacing part numbers: 16221-ZA0-800, 16221ZA0800, which is a direct replacement for the old or broken one.
Compatible with Honda engines GX240, GX240K1, GX240R1, GX240RT1, GX240U1, GX240UT1, GX270 and GX270R, compatible models include: EB3500X, EB3500XK1, EB3800X, EG3500X, EG3500XK1, EM3500SX, EM3500SXK1, EM3500X, EM3800SX, EN3500, ES6500K1, ES6500K2, EW140, EX5500K1, EX5500K2, and EZ3500, compatible with select lawn tractor models H4514H, HS80, HS80K1, HS828, HS828K1, HS928, HT3813, HT3813K1, and HT4213.
Gasket center hole diameter is 21.5 mm and the small hole diameter is 9 mm.
Manufactured with durable gasket material that resists heat, fuel and oil exposure.
Designed to fit the carburetor on engines, ensuring a secure, tight seal and eliminating unwanted air or fuel leaks that can cause engine performance issues.