Parts for Mtd 4P90HUD: Cylinder Head Parts

Fix oil leaks or loose valve covers with this valve cover bolt. Secures the valve cover to prevent oil seepage. Quick 10-minute repair for most mowers.

Fix oil leaks around the valve cover with this valve cover ring gasket. Seals the valve cover to prevent debris contamination. Simple DIY repair.

Replace your lawn mower's push rod guide if you're experiencing engine noise or reduced power. This guide keeps push rods aligned for proper valve operation.

Replaces a worn or damaged exhaust valve adjuster in your lawn equipment engine. Durable metal component that controls valve movement timing.

This is a replacement ex. valve spring retainer for use with snow blowers, lawnmowers, and log splitters. The function of a valve retainer is to fit on top of a valve spring and to keep it in place. This seal ensures that there is no oil leaking into the combustion chamber of the engine. Signs that the valve could be bad or going bad include misfiring, ticking sounds, and compression loss.The metal retainers are built to last, but they could fail over time. They could crack or break, which would affect the performance of the machine. This could eventually cause damage to the engine if it is not replaced.The ex. valve spring retainer This is compatible with a range of models of yard equipment from MTD, Yard Machines, Troy-Bilt, Yard-Man, Cub Cadet, and Husky. This is a genuine OEM replacement part that has been sourced from the manufacturer. It is sold individually.

Fix engine starting problems or loss of compression with this valve spring. Controls valve timing in small engines. Common repair for lawn tractors and snow throwers.

Intake valve seal prevents air and fuel from escaping during engine operation. Replace if you notice oil consumption or reduced performance. Verify fit with your engine model number before ordering.

Fix engine valve noise or loss of compression with this valve spring retainer. Secures valve springs to control valvetrain operation. DIY-friendly repair.

Replacement bolt for lawn tractors and outdoor power equipment. Secures components together. Order if your original bolt is lost, stripped, or damaged.

Seals the exhaust pipe connection on lawn tractor and walk-behind mower engines. Replace when exhaust leaks occur or during engine maintenance. Verify fit with your engine model number before ordering.

This is a small engine spark plug positioned in the engine cylinder head. It supplies the spark that will ignite the air-fuel mixture to enable an engine to produce power. This particular spark plug is designed with superior corrosion resistance and dependable performance. Small but mighty, this component allows for increased conductivity and heat control. If the spark plug is damaged or in poor condition, many problems may arise in equipment, including sudden stop while running, overheating, and excessive gas consumption. Replace the spark plug by disconnecting the spark plug wire first, then use a socket driver or wrench to remove the spark plug. Install the new spark plug by turning it by hand initially to avoid cross-threading. If it doesn't twist anymore, use a deep socket wrench or socket driver to tighten the plug until snug. The spark plug can also be used to tune up outdoor power equipment or improve a small engine. This part is recommended to be replaced once per season. This part works with lawn mowers, snowblowers, tillers, leaf blowers, log splitters, wood chippers, and others with small engines. It is compatible with brands such as Craftsman, Cub Cadet, Troy-Bilt, Murray, Yard Machines, MTD, Huskee, Bolens, Yard-Man, and MasterCut. This is a genuine OEM part directly from the manufacturer and is sold individually.

Engine losing compression or overheating? This cylinder head assembly restores proper combustion. Fits lawn tractors and walk-behind mowers. Advanced repair.

Seals the cylinder head to prevent oil and compression leaks in lawn mower engines. Replace if you notice oil seepage or loss of power. Verify fit with your model number.