Parts for Mtd 4P90MUD: 4P90mud 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.

Breather cover plate for small engines on mowers and lawn tractors. Protects the internal venting system from debris. Replace if cracked or damaged.

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.

This part is a throttle linkage that is used on lawn tractors. The throttle is a means of controlling the engine by controlling the amount of fuel and air that enters the engine.A new throttle linkage may be needed if the pedal is hard to press, if the pedal does not release as it is supposed to, if the engine stalls, or if there is a delay in the response when the pedal is pressed. Remember to wear gloves when operating or performing care and maintenance on any outdoor power equipment. Never perform care and maintenance on outdoor power equipment that is powered on.This throttle linkage is a genuine MTD part. It is sold individually. This particular throttle linkage is compatible with lawn tractors that are manufactured by MTD, Yard Machines, Cub Cadet, Husky, Yard-Man, and Troy-Bilt.

This is a genuine throttle linkage spring replacement. It is designed for use in select models of lawn tractor. The spring helps operate the throttle, pushing it closed when the gas pedal is released. if the spring is damaged or missing, the throttle will not return to a resting state, which can cause unintended acceleration. The throttle spring is made of metal, but is a small part that is subject to wear and damage over time. This OEM throttle linkage spring is manufactured to specific standards by MTD and is capable of being used in tractors from the brand, along with those from Cub Cadet, Yard Machines, Husky, Troy-Bilt, and Yard Man. It is sold as an individual component and does not include any additional parts or hardware. Be sure to wear gloves when replacing this part or performing any repairs or maintenance on lawn tractors and other outdoor equipment. Allow the engine to cool completely and work in a well-ventilated area for safety.

Replace a cracked or damaged engine crankcase causing oil leaks or loss of compression. Direct fit crankcase for lawn mower and tractor engines.

Replace a worn or damaged engine short block assembly when experiencing low compression, excessive oil consumption, or catastrophic engine failure. Core 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.

Piston ring set seals the engine cylinder to maintain compression and prevent oil leaks. Replace when you notice power loss, excessive smoke, or oil consumption. Verify fit with your model number before ordering.

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

Restore compression and power to your lawn mower engine with this replacement piston. Fixes loss of power, hard starting, and excessive smoke issues.

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.

This connecting rod bolt is a genuine MTD part, sold individually. This connecting rod bolt can be used as a replacement part in lawnmowers, snowblowers, and log splitters. The purpose of the connecting rod bolt for one of these small engine outdoor appliances is to securely affix the piston assembly and the crankshaft so that the two components cannot come loose from one another while the appliance is in operation.The connecting rod bolt in a small engine outdoor appliance might need to be replaced if the component is damaged to the point that it cannot continue to affix the relevant components to one another. If the components loosen and the connecting rod bolt is at fault, the connecting rod bolt should be removed and replaced by this genuine OEM replacement part.Sourced directly from the manufacturer, this component is a genuine replacement part that is sold individually. This connecting rod bolt is compatible with the following outdoor appliance brands: MTD, Craftsman, Cub Cadet, Troy-Bilt, Yard Machines, Yard-Man, and Huskee.

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.