Parts for Mtd Gold 21A-39M8704 / 2014: Au Cylinder Head Parts

M6 x 1 flange bolt for outdoor power equipment. Secures engine covers, handles, and components. Replace if stripped, rusted, or missing threads.

Engine valve cover cap for outdoor power equipment. Replaces cracked, broken, or missing valve covers on small engines. Direct fit for blowers, tillers, and more.

Vents air into the fuel tank while preventing emissions from escaping. Replace if cracked, brittle, or leaking to restore proper engine ventilation.

Fix oil leaks around your valve cover with this engine gasket. Creates a tight seal between cylinder head and cover. Simple DIY repair for small engines.

Loose or vibrating parts? This pivot locking nut secures critical pivot points on lawn equipment. Simple installation takes 10-15 minutes.

Fixes engine misfires and rough running caused by improper valve clearance. This adjusting nut helps restore correct valve timing on lawn mowers and tillers.

Rocker arm that operates the intake valve in small engines. Replace if damaged, cracked, or worn to restore proper valve operation and timing.

Engine running rough or making ticking noises? A worn rocker arm stud can affect valve timing. This replacement stud restores proper valve operation.

Replaces a worn, damaged, or missing valve spring retainer in your outdoor power equipment engine. Essential small fastener component for valve assembly.

If your engine runs rough or won't start, the exhaust valve adjuster may need replacement. This part ensures proper valve clearance for optimal performance.

Exhaust valve spring installs in small engines to control valve operation. Replace if spring is broken, weakened, or missing to restore proper valve function.

Fix engine performance issues or loss of compression with this valve spring. Common in lawn mowers, snow throwers, and other outdoor power equipment engines.

Seals the intake valve to prevent oil leaks and maintain proper compression in small engines. Replace if you notice oil consumption or performance loss.

This is an M8 x 55 bolt typically used in small engines and lawn equipment. Due to regular wear and tear, bolts in lawn equipment may become lost or damaged over time. If the equipment is performing poorly, or vibrating excessively, a bolt may be the issue and replacement will be required.Be sure to wear gloves when replacing an M8 x 55 bolt. Allow the motor in your equipment to cool completely before disassembly. Once cooled, a damaged or missing bolt can be replaced using an appropriately sized wrench or socket set.The M8 x 55 bolt is an authentic OEM replacement part sourced directly from the manufacturer. It is sold individually. It is made of durable, high-quality material. The M8 x 55 bolt is used in various machines, including tillers, log splitters, chippers, and other small engines. The bolt is compatible with equipment made by Troy-Bilt, Yard Machines, Cub Cadet, and MTD.

Engine won't start or runs rough? A damaged cylinder head assembly disrupts airflow and fuel combustion. Moderately complex repair for small engines.

Fix engine misfires or no-start issues with this spark plug. Ignites the air-fuel mixture in your mower's cylinder. Quick DIY replacement in 15 minutes.

Seals between engine block and cylinder head, isolating cylinders, oil, and coolant. Replace if experiencing overheating or compression loss. Verify fit.

This is a genuine OEM valve cover kit which contains the valve cover and inner gasket. The valve cover covers the engine's valves on chippers, tillers, log splitters, and other outdoor lawn and garden equipment. The cover protects the valves from exposure to weather and prevents oil from seeping out and causing damage. The gasket inside the valve cover ensures the lid is sealed tightly against the engine.Valve covers and the gasket require periodic inspection and regular maintenance. An inspection will indicate if removal and replacement are needed. Maintenance assures the gasket is replaced periodically to keep the seal tight. Heat, rain, snow, and normal wear and tear can lead to cracks in the cover and the gasket. Leaking oil, smelling burned oil, engine misfires, and reduced engine performance are good signs that the gasket and cover need to be removed and replaced. A screwdriver is required to remove and replace the cover. Always perform repairs in a well-ventilated area.This OEM valve cover kit is sourced from the manufacturer. It is sold as a single unit. Screws are not included with the valve cover kit. This valve cover kit is designed for various model MTD, Cub Cadet, Yard Machines, and Troy-Bilt engines.

Replace a tiller engine that won't start, has no compression, or runs rough. Complete assembly includes all internal parts for easier installation.

This replacement part is an external gasket kit, and it is intended for use in different types of lawn equipment. This is a genuine replacement part made by MTD. This gasket kit is different from typical gasket kids as they are used on the external side of the engines. These gaskets are still very important to the engine as a whole and allow it to run smoothly during use.A new external gasket kit might be needed if the current one is broken or damaged. If there are noises coming from inside the machine it is possible that the parts of the gasket are out of place or could be malfunctioning. Be sure the engine of the appliance is completely powered down and cooled off before replacing the gasket kit as this area can be hot from use.Be sure to reference the specific user manual prior to beginning this repair. Note that this is a genuine OEM replacement part and is told individually. This part is sourced directly from the manufacturer.

This genuine OEM complete engine gasket kit is sourced from the manufacturer for use in tillers, blowers, chippers, and other outdoor lawn and garden machines. The kit contains all the gaskets that are required to fit in and on the many different parts of the engine. These gaskets provide protection from outside elements that could interfere with engine performance, such as rain or debris. These gaskets also keep fluids and air from leaking out of the engine, which can reduce engine performance as well. Engine gaskets should be inspected and maintained to ensure proper engine performance. The gaskets are made of materials intended to withstand high heat, like silicone, cork, rubber, or paper, depending on where it is installed. Over time, the gaskets may become worn, cracked, or torn and need to be replaced. A screwdriver is required to remove the engine cover to access the various gaskets. This complete engine gasket kit allows for the replacement of all gaskets. Clean old grease from the engine before installing the new gaskets. Add new lubricant before installing the new gaskets. Replace the engine cover and tighten screws. This gasket kit is sold as one unit. This gasket kit is designed for various MTD, Cub Cadet, Troy-Bilt, and Yard Machines engines.