Parts for Mtd 370-JU: Ju Crankcase Parts

Seals cylinder and piston to prevent combustion gas leaks. Replace if engine uses excess oil, loses power, or has poor compression. Verify fit.

Connects piston to connecting rod inside the engine cylinder. Replace if pin is stripped, worn, or missing to restore proper piston assembly and movement.

Metal connecting rod assembly that links the crankshaft to the piston in small engines. Replace if rod is bent, cracked, or damaged from wear or impact.

Governor arm shaft for small engines on lawn and garden equipment. Connects governor assembly to carburetor. Replace if worn, damaged, or broken.

Engine won't start or runs rough? This camshaft assembly converts rotational motion to reciprocal motion for proper engine operation. Moderate DIY repair.

Engine won't start after sudden stop? A sheared flywheel key breaks the connection between crankshaft and flywheel. Simple DIY repair.

Engine surging or racing? Replace a worn governor gear and shaft assembly. Critical for speed control on small engines. Moderate DIY repair.

This is a crankcase gasket that seals the crankcase cover to the engine block on a lawn mower. It prevents oil from leaking out of the engine and keeps contaminants from entering the crankcase. Replace this gasket if you notice oil pooling beneath the engine, visible oil seepage around the crankcase cover, or if the gasket is torn or deteriorated.

Oil fill plug assembly for small engines. Seals the oil fill opening to prevent leaks. Replace if cracked, stripped, or missing to maintain proper seal.

This oil seal fits around a rotating shaft in a small engine, preventing oil from leaking out of the crankcase or transmission housing. It creates a tight barrier between moving and stationary engine components to maintain proper lubrication. Replace this seal if you notice oil dripping or pooling beneath your equipment, or if the engine is losing oil without an obvious external leak.

Replacement oil drain plug for outdoor power equipment engines. Installs in the oil pan to seal the drain opening. Replace if stripped, cracked, or leaking.

Engine oil seal prevents oil leaks in snow thrower engines. Replace if you notice oil seeping around the crankshaft or engine case. Verify fit with your model.

This is an authentic OEM replacement part sourced directly from the manufacturer for use in various small engines. This oil fill tube assembly is part of the oil delivery system. This tube delivers the oil to the oil tank when it is added to the engine. If this tube cracks or deteriorates over time, the oil will not make it to the oil tank or the engine. This could lead to complete engine failure if the leak is not discovered. Oil on the driveway or lawn or smoke coming from under the engine when the lawnmower is running is a sure sign that the tube may need to be replaced.The oil fill tube assembly also houses the dipstick which is used to check the oil level in the mower. If the assembly is leaking, the reading won't be accurate and the lawnmower may be operated without adequate oil which can damage the engine. A screwdriver is needed to replace the oil fill tube. Do not replace this part until the engine has cooled. This oil fill tube assembly is made of black molded plastic and sold as an individual unit. It is designed for use in lawnmowers and other small engines manufactured by Toro, Tecumseh, and Briggs & Stratton.

Oil drain plug with washer for lawn mowers and outdoor power equipment. Replaces cracked, stripped, or missing drain plugs to prevent leaks.