Parts for Craftsman 13A277SS099 / 2013: 4P90hu Crankcase Parts

Replace this engine oil seal to prevent oil leaks from the engine sump. Install when you notice oil seepage or during routine maintenance. Verify fit with your equipment's model number before ordering.

Secures engine components and mounts on outdoor power equipment. Replace if bolt is stripped, damaged, or missing to ensure proper assembly and fit.

Replace your lawn mower engine breather gasket to prevent oil leaks and maintain proper crankcase ventilation. Verify fit using your model number.

Fix excessive oil leaks or smoking engine with this breather valve. Regulates crankcase pressure in lawn mower and tiller engines. Easy DIY fix.

Mesh screen filter prevents debris from entering your lawn mower engine fuel system. Replace if clogged or damaged to maintain proper fuel flow. Confirm fit with your model number.

Replace a cracked or damaged breather valve base causing oil leaks or pressure issues. Direct-fit part for lawn mowers and outdoor power equipment.

Engine won't start or runs rough? This choke linkage rod connects the carburetor choke to the control lever. Fits lawn mower and tractor engines.

Fix a hard-to-press or sticking throttle pedal with a new throttle linkage. Controls engine speed by regulating fuel and air flow on lawn tractors.

Throttle won't return to idle? This throttle linkage spring pushes the throttle closed when you release the gas pedal. Simple DIY fix for idle issues.

M6 x 21mm governor bolt for outdoor power equipment engines. Replace if bolt is stripped, missing, or damaged during governor maintenance or repair.

Replace a worn engine short block assembly if your lawn equipment has low compression, excessive oil consumption, or won't start. Moderate difficulty repair.

Seals the crankcase to prevent oil leaks and debris accumulation in lawn mowers and tractors. Replace if you notice oil seeping or engine exposure.

Fix loss of power or engine knocking with this lawn mower engine piston. Transfers force from cylinder gas to crankshaft for proper operation.

Engine losing compression or making knocking sounds? This piston pin snap ring secures the piston pin in place. A small but critical engine component.

Fix engine power loss or excessive smoke with this replacement piston. Transfers combustion energy to mechanical power. Restores proper engine function.

Fix engine knocking or loss of power with a new piston pin. Essential for connecting the piston to the connecting rod in small engines. Simple repair.

Engine making loud knocking noises or losing oil pressure? The connecting rod assembly links the piston to crankshaft. Requires engine disassembly.

If your engine won't start or makes knocking noises, the connecting rod bolt may be loose or damaged. This bolt secures the piston assembly in place.

Complete engine gasket kit for lawn tractors and walk-behind mowers. Replace when rebuilding engine or repairing oil leaks. Verify fit with your model number.

This is a replacement engine for select lawn and garden equipment. This engine is a complete unit and is responsible for providing operation to equipment so that it can function. Over time, various parts of the engine will be susceptible to wear and tear or incidental damage. While some things can be repaired or replaced individually, there may be instances where a full engine replacement is necessary.The engine could fail for several reasons, even though the equipment may not be in need of replacement. Sometimes, replacing the engine will do the job for a period of time. Be sure to disconnect all power sources and the spark plug before removing and replacing the part.This genuine OEM part supplied directly from the manufacturer. It is compatible with equipment manufactured by MTD. This OEM engine is manufactured to exact standards and sold as a single, complete part. There are no additional components included.