Parts for Mtd 178-LU: Lu Cylinder Head Parts

Engine won't start or runs rough? This cylinder head assembly controls combustion airflow in small gas engines. Requires disassembly and mechanical skill.

Cylinder head gasket seals the combustion chamber on engines. Replace if you notice oil leaks, overheating, or loss of compression. Confirm fit with your model.

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.

Muffler gasket seals exhaust connection on snow throwers. Replace if exhaust leaks or noise increases. Verify fit with your model number before ordering.

Replacement muffler assembly for lawn equipment engines. Installs on exhaust system to reduce noise. Replace if cracked, rusted, or damaged.

This secondary air valve gasket is an OEM replacement part that is sourced directly from the manufacturer for use on lawnmowers and other lawn and garden machines. The secondary valve is commonly known as the idle valve, and this gasket is used to protect the valve from contaminants and to keep the air and pressure at preset levels. If the gasket is worn or torn due to regular use, it will need to be replaced. If the idle on the engine is not functioning correctly, the engine dies when it should be idling, which is a good indicator of a secondary air valve gasket problem. If the engine idles too high, this could be another sign of problems with the gasket. Before replacing the secondary air valve gasket, drain the fuel from the machine and take the spark plug out to prevent accidental engine starting. Use the engine diagram to locate and remove the secondary valve gasket. Install the new gasket and reinstall the parts removed from the engine.This secondary air valve gasket is sold individually. It is compatible with lawnmowers, lawn tractors, and other small engines manufactured by Cub Cadet, MTD, Husky, Troy-Bilt, Yard-Man, and Yard Machines.

This reed valve assembly is a genuine OEM part sourced from the manufacturer for use in two-stroke engines. The reed valve regulates fresh fuel intake into the combustion chamber or crankcase; this fuel supply is responsible for the engine's torque and performance. The reed valve eliminates backflow and makes the carburetor work more efficiently. If the reed valve assembly is rusty or damaged, the engine's performance may be compromised. Reed valve assemblies are unpredictable with extremely fragile inner parts. Normal wear and tear that causes physical damage to the assembly can impact the mixture of air and fuel coming from the carburetor. If the engine sputters and spits, won't idle, or perform as it should, the reed valve should be checked. A bad reed valve may also cause fuel to drip or spit from the carburetor. A screwdriver, long-nosed pliers, and dish for draining fuel are needed to remove and replace the reed valve assembly. Remove the carburetor to access the reed valve assembly. Repair should be completed in a well-ventilated area.Drain engine fuel from the engine before replacing the reed valve assembly. The reed valve assembly is sold as a complete assembly kit. It is designed for Cub Cadet, Troy-Bilt, and MTD engines.

The M6 X 16 bolt is a piece that's found in a variety of lawn and yard equipment and other small engines. It is located underneath the bottom of the engine compartment. Over time, with use, and while operating the device in extreme conditions, the bolt may become damaged or loosened. When the bolt is missing, the engine will not be adequately secured together, which can lead to further issues and eventual failure. A missing bolt has to be replaced.First, locate which bolt is missing and determine if more than one bolt requires attention. Wear gloves while working on equipment. Use the proper tools, including a wrench, screwdriver, or socket set, to remove a damaged bolt. Secure the new bolt in and tighten down for a firm fit.This M6 x 16 bolt is an authentic OEM part. It is sold as an individual piece. It is made of high-quality, durable materials and supplied by the manufacturer. The M6 x 16 bolt can be used in various engines found primarily in log splitters. The compatible models for this bolt replacement are Cub Cadet, Troy-Bilt, and MTD.

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.

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.

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.

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

Rocker stud bolt that secures the rocker arm assembly in small engines. Replace if threads are stripped, bolt is bent, or stud is broken or missing.

This genuine MTD replacement part is a rocker arm for use with snowblowers, lawn tractors, and other equipment with an engine. A properly functioning rocker arm is essential for the safe and reliable use of the equipment. The rocker arm works to open the intake and exhaust valves. The rocker arm may become worn out or damaged with extended use, necessitating replacement. Remember to check the rocker arm periodically to spot any wear or damage. This part is an identical replacement for a rocker arm that is missing, worn out, or damaged. Prior to working with this part, please refer to the original product manual for a full list of included parts and installation instructions. A wrench set may be required for installation of this part. For safety, always wear gloves and ensure unit is powered down and cool prior to performing any installation or repair.This high quality OEM replacement part is sourced directly from the manufacturer, and it is sold individually. It is made of high-quality durable metal. This part is compatible with a variety of MTD, Yard Machines, Troy-Bilt, Yard Man, Cub Cadet, Husky, and other equipment. Please note: original part numbers 1843974, 751-11966 is now obsolete, and manufacturer has replaced the original part numbers with this part.

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

The breather hose is designed as a valve or vent that only functions one way. It allows air into the fuel tank but ensures that no air or emissions escape the tank. When this hose is not functioning, emissions and air could be leaking from the tank and cause the engine to perform poorly or not perform at all. The hose could become cracked or damaged, or the ends could lose their seal. Either way, a replacement hose will solve the problem and get the equipment back in order. This genuine OEM replacement breather hose is made by MTD and manufactured to exact specifications. It is compatible with several engines on lawn mowers, snowblowers, and chippers from brands like Troy-Bilt, MTD, Yard-Man, Yard Machines, Bolens, Cub Cadet, and Husky. There are more than 150 compatible machines for this breather hose. This high-quality composite rubber hose is sold individually.

This is an air shield or engine cover. The purpose of the air shield is to provide protection for the engine. It will keep air, dirt, debris, and other elements out of the engine. If the cover is damaged, broken, or missing it could cause the engine to run poorly. The cover could be damaged from wear and tear, damage from falling or flying debris, etc. Replacement of the cover is a relatively simple repair and should not take the owner long to complete.This air shield serves as a replacement for certain models of engine, log splitter, and mower. Brands with compatible machines include MTD, Cub Cadet, and Troy-Bilt. The cover is a genuine OEM replacement part that's made from high-quality, durable material that is built to last. The air shield is sold individually.

This external gasket kit can be used as a replacement part for the small engine of a log splitter. The kit is a complete replacement that contains the external gasket as well as its fasteners and other small components. The gasket and its external components combine to form the cylinder head of the engine and its seals that insulate the small engine.The external gasket kit might have to be ordered as a complete replacement if the gasket suffers damage that also impacts the small parts and fasteners that surround the gasket. This damage can come in the form of impact collisions, punctures, and corrosion to the metal material. The log splitter cannot be used until the broken or damaged parts have been removed and replaced. Remember to always wear gloves when handling, repairing, and operating outdoor equipment. This is an OEM part sourced directly from the manufacturer, MTD. It is sold individually. This external gasket kit is compatible with the following brands: MTD and Cub Cadet.

This complete carburetor gasket kit is a genuine OEM product sourced directly from the manufacturer. This gasket kit is used to replace the gaskets inside the carburetor during repairs. The carburetor gaskets are an essential part of the carburetor repair or rebuild. These gaskets provide the seal from the carburetor to the manifold and prevent air leakage, which can lead to misfires, engine overheating, and performance issues.This complete carburetor gasket kit contains all the gaskets necessary for a complete carburetor rebuild: the governor seal, crankcase cover gasket, two oils seals, cylinder head gasket, an exhaust pipe gasket, valve cover gasket, carburetor insulator gasket, and carburetor gasket. During the rebuild, the carburetor should be thoroughly cleaned. Ensure there are no remains of the old gaskets or debris on the carburetor. If properly cleaned, a sealant is not necessary. If the area is not cleaned correctly, the seal will not be flush, and air may leak in and cause engine problems. This complete carburetor gasket kit is sold as one kit with all the gaskets. It is designed for use in Troy-Bilt, MTD, and Cub Cadet engines.