This exhaust muffler kit fits Honda GX340 GX390 GX390T GX340T GX420 13hp 11hp 16hp 338cc 340cc 389cc 390cc 420cc engine, water pump,pressure washer, compressor, snow blower and many other equipment. Replaces Honda GX390 GX340 engine exhaust muffler and muffler protector or muffler shield 18310-ZE2-W61,18310-ZE2-W62, 18320-ZE2-W61, 18320-ZE2-W62, 18320-ZE3-W02 Replaces Honda GX340 exhaust muffler and Honda GX390 exhaust muffler, Honda GX 420 exhaust muffler for 13hp 11hp 16hp engine motor used on water pump, pressure washer, air compressor, log splitter, chipper shredder and other power equipment, including brands Dewalt, Simpson, Northstar, BE power, RedGum, Braber, BWM, Excell, Mi-T-M and many more powered by Honda GX390 GX340 OHV horizontal engine.. Replaces Honda 13hp exhaust muffler assembly and Honda 11hp exhaust muffler assembly for Honda 389cc 390cc 340 cc 337cc 338cc 420cc 11 hp 13 hp 16 hp engine motor,and 4 in water pump WT40 series, 4200 psi 4400 psi pressure washer, including BE Powerease B3013HTBC, B4013HACS, BB65106, B4013HGS, WB4200, B4013HABG, X-4013HWPGENR, PE-4013HWPACOMZ, NorthStar 157127, 157310, 157136,15782020, DeWalt 60446, 60605, 60896, DXPW 010E, DXPW 011E, Simpson PowerShot PS4240,ALH4240, SW4400, 60688, 60828, 60130,60205, 60456, 95003, 95005 and many others, like Mi-T-M, Excell etc 11 horsepower 13 horse power 15 horsepower 16horse power 18horse engine.. Replaces exhaust muffler assembly for Harbor Freight Predator 420cc engine, Simpson CRX420 engine,Powerease R420 engine,Powerhorse 420cc engine,Briggs 420cc 2100 engine,excell 420cc engine, dewalt 420cc engine, Powermate 420cc engine, Dewalt 420cc engine, Westinghouse 420cc engine, Titan Pro 15hp 420cc engine, Loncin G420 420cc engine and many more others.like Genkins GK420E, Ducar Northstar 420cc engine etc.. The kit contains 1 pcs Honda 390 exhaust muffler or Honda 340 exhaust muffler, 2 gaskets,,5 mounting nuts. It's an extremely cost effective rebuild kit for Honda 390GX exhaust muffler and Honda 340GX exhaust muffler This kit contains 1 pcs Honda GX390 exhaust muffler assembly,Honda GX340 exhaust muffler assembly , 2 gaskets, 5 mounting nuts. It is complete rebuilding kit of muffler for your Honda GX340 GX390 GX420 337cm3 338cm3 340cm3 389cm3 390cm3 420cm3 11 horse power 13 horsepower 15 horsepower 16 horses power engine, water pump,snowblower, pressure washer and more. It is also compatible with Harbor Freight 420 engine and Champion Generac 389cc 420cc 439cc engine power equipment and more others