This adjustable carburetor comes with a sediment bowl, a feature that sets it apart from most carburetors on the market, which lack this essential component. The sediment bowl ensures superior fuel filtration, and the difference is clearly visible at the bottom of the fuel shut-off valve.This carburetor rebuild kit contains Honda GX 390 carb kit GX 340 carb kit, spark plug,spacer,or insulator air filter, on off stop switch, gasket sets for carburetor and muffler, fuel line, fuel joint, fuel line clips(2pcs), fuel tank cap, mounting nuts for carburetor(2pcs), muffler(5pcs) This carburetor kit repalces Honda GX340 carburetor kit,Honda GX390 carburetor kit, Honda GX420 carburetor kit for Honda 11 hp 13 hp 16 hp 337cc 338cc 389cc 390cc 420cc OHV engine.Replaces Honda carburetor 16100-ZH8-W61 16100-ZF6-V01,16100-ZF6-V51,16100-ZF6-V00,16100-ZF6-v21,16100-ZF2-V00,16100-ZF2-V01,16100-Z5T-901,16100-ZE3-D02,16100-ZE3-D52,16100-ZE3-V01,16100-ZE3-814,16100-ZE3-W32,16100-Z5T-922, 16100Z5T901 Replaces Honda GX 390 carburetor Honda GX 340 carburetor for many power equipment, including water pump WT40 WT40X WT40XK1 WT40XK2 WT40XK3, Simpson Dewalt Ex-cell 3700 psi 3800 psi 4200 psi 4400 psi pressure washer powered by Honda 390GX 340GX engine, like PS4240 PS4240H ALH4240 60456 60205 61028 61030 65206 65209 DXPW4440 DH4240B ZR3700 and many more. Replaces Honda 11hp carburetor and Honda 13hp carburetor for 338cc 340cc 389cc 390cc 420cc engine. This is one of the best Honda 390GX carburetor replacement and Honda 340GX carburetor replacement.The experiences of previous customers affirm this. The adjustable carburetor with a sediment bowl allows you to fine-tune the idle speed based on the engine's condition, ensuring optimal performance and smooth operation. The sediment bowl plays a critical role in capturing and collecting impurities, dirt, and sediments from the gasoline, which is essential for maintaining the carburetor's longevity and ensuring the engine runs efficiently over time. In contrast, most carburetors on the market eliminate the sediment bowl to reduce costs, resulting in a shorter lifespan. The difference is clearly visible at the bottom of the fuel shut-off valve. If you want a carburetor that lasts longer and performs better, this one is an ideal solution. This GX390 GX340 carburetor rebuild kit contains Honda GX390 carb kit, Honda GX340 carb kit, spark plug, air filter, on off stop switch, gasket sets, fuel line, fuel joint, fuel tank cap, insulator, mounting nuts for carburetor(2pcs), muffler(5pcs). It fits Honda GX 340 GX 390 GX 420 GX340U1 GX340R1 GX340K1 GX390T GX340T GX390T1 GX340T1 GX390UT2 GX340UT2 GX390RT2 GX390T2 GX390T2X GX390UT2X GX340RT2 GX340T2 GX340T2X GX340UT2X and more 337cm3 338cm3 340cm3 389cm3 390cm3 420cm3 engine, water pump,pressure washer,compressor,log splitter, chipper shredder and other equipment. It is high quality replacement for 13 horsepower Honda carburetor and 11 horses power honda carburetor kit, Honda 13 hp carburetor Honda 11 hp carburetor, Honda 13 hp carb Honda 11 hp carb,Honda 390 carburetor, Honda 340 carburetor, Honda 11.0 carburetor, Honda 13.0 carburetor, honda 13 hp carb, honda 11 hp carb, Honda GX420 carburetor,honda gx340 11 hp carburetor,honda gx340 11hp carburetor,honda gx390 13 hp carburetor