Replaces Honda GX390 exhaust muffler assembly and Honda GX340 exhaust muffler assembly Honda GX420 exhaust muffler assembly for 13hp 11hp 16hp 389cc 390cc 337cc 338cc 340cc 420cc Honda OHV engine motor. Replaces Honda 390GX muffler,340GX muffler, muffler guard, muffler cover, muffler shield or muffler protector part number # 18310-ZE2-W61,18310-ZE2-W62,18310-Z5T-010,18320-Z5T-000 This exhaust muffler kit includes GX 390 GX 340 Honda 11 hp muffler and Honda 13 hp muffler, exhaust pipe or exhaust manifold, 2 gaskets, 2 mounting studs and 5 nuts,as well as 1 pcs spark plug for the convenience of regular maintenance of your motor. It's complete muffler rebuild kit for honda 11hp 13hp 13.5hp 14hp 15hp 16hp 18hp engines. Everything is prepared for easily reparing your engine motor. This Honda 390 muffler and Honda 340 muffler fits many power equipment with Honda GX340 GX390 11hp 13hp engine,including water pump WT40 WT40X WT40XK1 WT40XK2 WT40XK3 , Simpson, Dewalt, Mi-T-M, BE Power, Northstar 3800 psi 4200 psi 4400 psi pressure washer or power waher PS4240 PS4240H ALH4240 60456 60205 61028 61030 65206 65209 DXPW4440 DH4240B, many 37 ton 38 ton 40 ton 45 ton log splitters, chipper shredders, air compressors, snowblowers and more powered by Honda 340 GX 390 GX engine, except generator. Replaces Harbor Freight 420cc exhaust muffler assembly for engine 60340 60349 69736. Replaces many other 338cc 389cc 340cc 420cc 437cc 440cc muffler of Honda clone engine, like Rato 420cc engine muffler, Champion 389cc 420cc muffler,,Powerease 420cc muffler, Loncin 389cc 420cc engine muffler, Dewalt 420cc muffler, Simpson CRX420 muffler,Genkins GK420E 420cc muffler, Ducar 389cc muffler, DH420 420cc muffler, BS 420cc muffler and many other 11hp 13hp 13.5hp 14hp 15hp 16hp 18hp engines. All items are packed perfectly.Excellent replacement muffler assembly kit for Honda 390 and 340 engine. It is used by many small engine manufacturers on massive production. Replaces Honda GX390 muffler assy, Honda GX340 muffler assy, Honda 390 GX muffler kit and Honda 340 GX exhaust muffler kit, Honda 13hp exhaust muffler, Honda 11hp exhaust muffler. Fits Honda GX340 GX390 GX390T1 GX340T1 GX390T2 GX340T2 GX390R2 GX340R2 GX390UT2 GX340UT2 GX390U2 GX340U2 GX340 max, GX390 MAX 11 horse power 13 horsepower 14 hroses power 15 horsepower 16 horse power 18 horses power engines and most power equipment with these engine, except generator. It also fits Harbor Freight Predator 420cc engine including the following models 60340 60349 69736 and Chinese 188F 190F 337cm3 338cm3 340cm3 389cm3 390cm3 420cm3 437cm3 440cm3 11.0 horse power 13.0 horsepower 15.0 horsepwer clone engine. Replaces Honda muffler 18310-ZE2-W61,18310-ZE2-W62 , muffler cover 18320-ZE2-W61,18320-ZE2-W62,18320-ZE3-W02 and exhaust pipe or manifold 18330-ZE2-W00, 18330-ZH9-N00.