Fuel Pump For Honda GX630 GX660 GX690 Twin Cylinder Engine

GX630 Engineering Plastic Pulse Fuel Pump, Replacement Part For Twin Cylinder Gasoline Engine Fuel System

The fuel pump is the core component of the twin cylinder gasoline engine fuel system, which continuously delivers fuel from the tank to the carburetor. After long-term operation, the internal diaphragm is prone to aging and damage, causing insufficient fuel supply, hard starting and power loss, which affects normal equipment operation and requires timely replacement. This GX630 pulse fuel pump fits Honda GX620, GX630, GX670, GX690 and other twin cylinder 4-stroke engines.

The housing is integrally injection molded from high-strength engineering plastic, resistant to gasoline corrosion, vibration and impact, suitable for complex outdoor working conditions. Adopting pulse driving principle, it drives the internal diaphragm to pump fuel by the pressure change generated by engine intake, no external power supply needed, with stable and reliable structure. The core internal diaphragm is made of gasoline-resistant rubber, matched with precision check valves to deliver stable fuel flow, continuously meeting the fuel demand of twin cylinder engines and avoiding idle fluctuation and high-speed fuel cut-off.

Manufactured to original size specifications, the two mounting holes and fuel inlet/outlet connectors are perfectly matched. It can be directly fixed during installation without extra modification. Suitable for industrial generators, large lawn mowers, pressure washers, small construction equipment and other machines equipped with these engines. As a wearable part of fuel system, it is ideal for repair shop stock and bulk purchase. After replacement, it restores stable fuel supply and ensures continuous efficient operation of power equipment. Please verify engine model and mounting hole spacing before purchase for proper fitment.