Parts for Mcculloch B28B: Cylinder / Muffler / Flywheel Parts

This nut is most commonly used with gas-powered chainsaws. The nut is used with a bolt, which is sold separately, to secure the carburetor and air filter together. It is a fastener that comes with a threaded hole. The bolt helps fight against rotation and vibrations that can pull the nut loose.Nuts can experience wear and tear and may become damaged or broken over time. If the nut has broken in half, has significant damage, or has been exposed to corrosive materials, it will need to be replaced. A wrench can be used to remove the damaged nut. Once that nut is removed, the new replacement part can be installed. Make sure to use work gloves and tighten the nut before using the lawn and garden equipment in the future.This is a genuine replacement part that is directly sourced from the manufacturer. It can be used with a variety of chainsaws, string trimmers, edgers, hedge trimmers, leaf blowers, and brush cutters created by Poulan, Poulan Pro, Craftsman, and Husqvarna. It is sold as an individual component. This part is sold individually.

Plastic choke lever for gas line trimmers and edgers. Actuates the choke valve to limit airflow during cold starts. Replace if cracked, broken, or damaged.

Primer bulb pushes fuel into the carburetor for easier cold starts. Replace if cracked, stiff, or not pumping fuel. Verify fit with your model number.

Gasket kit seals engine components in gas and grass line trimmers. Replace when you notice fuel leaks or loss of compression. Verify fit with your model.

Fix engine running rough or hard starting issues with this carburetor adapter. Connects the carburetor to the engine cylinder. Simple DIY repair.

Engine won't engage when pulling starter rope? The starter pawl bridge connects the flywheel to spin your trimmer's engine. Easy DIY repair.

Fix fuel leaks and engine starting problems with this fuel line fitting. Connects separated fuel line sections on trimmers, blowers, and chainsaws.

Delivers fuel from tank to carburetor in trimmers, blowers, and chainsaws. Replace if cracked, stiff, or leaking to restore proper fuel flow.

This is a fuel pickup filter that sits inside the fuel tank of a chainsaw or small engine. It screens debris and contaminants from the fuel before it reaches the carburetor, ensuring clean fuel delivery. Replace this filter if the engine is running rough, stalling, losing power, or if the filter is visibly clogged or deteriorated.

Fuel tank isolator prevents vibration damage and reduces engine noise transfer. Direct-fit component for string trimmers. Simple installation.

Replacement mounting screw for gas and grass line trimmers. Secures various components during operation. Replace if stripped, missing, or damaged.

Replace missing, stripped, or damaged mounting screws on your chainsaw or trimmer. Standard hardware fastener for securing components and housings.

This screw is designed to be used with a range of handheld land and garden tools. The screw is a common piece of hardware used to fasten various parts of equipment and machines. Screws can be used for a range of applications depending on the equipment.Screws are meant to last, but they can wear down over time. The threads of the screws may become damaged or worn away. The screw could break or become corroded. When working on the machines, it is also possible for the screws to become lost. Having extra on hand can be a good idea. Replacing the screw is a simple project.This screw is intended for use with blowers, edgers, gas trimmers, and other trimmers. It is compatible with models from a variety of brands including Poulan, Husqvarna, Weed Eater, and Jonsered. Each screw is sold individually. This is a genuine OEM replacement screw that has been sourced from the manufacturer.

Trimmer won't start or recoil feels loose? This starter spring kit restores pull-start tension. Compatible with popular gas line trimmer models.

If your trimmer engine runs but the cutting head won't spin, the driver spring may be worn or broken. This spring transfers engine power to the head.

Fix a trimmer that won't start or has a stuck pull cord with this drive starter pulley. Essential recoil starter component for reliable engine starting.

Secures the muffler to the cylinder on gas trimmers, blowers, and hedge trimmers. Replace if the original bolt is lost, stripped, or damaged.

M5 x 25mm mounting screw for chainsaw, trimmer, blower, and hedge trimmer assemblies. Replace missing, stripped, or damaged screws during repairs.

M4 x 0.70 x 16mm screw for gas leaf blowers, trimmers, and hedge trimmers. Replaces lost, stripped, or damaged screws in housing and assembly points.

Fixes clutch slipping or grinding noises in your line trimmer. This clutch washer restores proper engagement between the engine and cutting head.

This replacement part is a screw and is intended for use in a variety of lawn equipment. This is a genuine replacement part made by Husqvarna. Screws are an important part of many different types of machinery as they hold other parts in place and secure. A new screw might be needed if the current ones are loose or missing. It is common that screws might become stripped overtime and will need to be replaced. Be sure to double check the size of the screw as many places on lawn equipment will require different size screws. Be sure the appliance is completely powered down and cooled off before attempting to repair an appliance. For more detailed instructions on how to install this specific part, see the owner's manual. This is an OEM part sourced directly from the manufacturer. It is sold individually. This replacement part is compatible with different types of lawn equipment made by Husqvarna.

M4 x 0.70 x 16mm screw for gas leaf blowers, trimmers, and hedge trimmers. Replaces lost, stripped, or damaged screws in housing and assembly points.

Engine won't idle or trimmer head spins constantly? Replace your worn clutch drum assembly. Works with clutch to maintain proper idle speed.

Fix trimmer that won't accelerate, makes grinding noises, or emits burning smell. Clutch assembly connects engine to cutting head. Moderate DIY repair.

Fix engine speed issues or poor performance with this line trimmer flywheel. Regulates motor speed and stores energy. Direct replacement part.

Crankshaft assembly for gas line trimmers. Installs inside the engine housing. Replace if cracked, bent, worn, or damaged to restore proper operation.

Radial ball bearing (6201) for gas leaf blowers and trimmers. Replace when you hear grinding noise or feel excessive vibration. Verify fit with model.

Fix a loose or rattling piston with this wrist pin retainer. Secures the piston pin in trimmers, blowers, and hedge trimmers. Basic hand tools needed.

Piston ring seals the gap between piston and cylinder wall in small engine equipment. Replace if worn, cracked, or causing compression loss.

Replacement piston and cylinder kit for string trimmers. Restores engine seal and compression. Needed when original is worn, scored, or damaged.

M5 x 25mm mounting screw for chainsaw, trimmer, blower, and hedge trimmer assemblies. Replace missing, stripped, or damaged screws during repairs.

This kit contains gaskets, seals, and small components needed to restore proper fuel and air mixture in small engine carburetors. Use it when engines are hard to start, run roughly, or stall frequently due to carburetor wear.

5/32 inch hex wrench tool for outdoor power equipment maintenance. Replace if lost, worn, or damaged. Essential for tightening hex socket bolts and screws.