Parts for Briggs & Stratton 12J800-1738-A1: Blower Housing / Muffler Parts

Burner stays on when control is off? This residual heat sensor monitors cooktop temperature. Common DIY fix for erratic burner control issues.

Replace your blown cylinder head gasket to stop oil and coolant mixing. Prevents overheating and engine damage. Requires wrenches and screwdrivers.

Crankcase gasket creates an airtight seal to prevent oil and air leaks. Replace when deteriorated from heat and pressure. Confirm fit with model number.

This genuine Midwest Engine screw can be used as a replacement part for a variety of outdoor lawn and garden appliances including lawn mowers, snowblowers, tillers, pressure washers, generators, leaf blowers, edgers, and wood chippers. A screw might have to be replaced within the lifespan of one of these types of outdoor appliances. Tthis is a common occurrence as screws are small components that are easily lost and misplaced. Screws can also loosen over time, necessitating a replacement. If this is the case, the screw should be replaced with this OEM replacement part. Remember to always wear gloves when handling, repairing, and operating outdoor equipment. This is an OEM part sourced directly from the manufacturer. It is sold individually. This screw is compatible with the following outdoor appliance brands: Midwest Engine, Briggs & Stratton, Craftsman, Toro, Cub Cadet, Lawn Boy, Simplicity, and MasterCut.

Fix engine knocking or loss of power with this piston pin lock. Secures the piston pin in small engines. Essential for proper piston assembly.

Fix engine knocking or power loss with this piston pin lock. Secures the piston pin in small engines. Basic mechanical skills needed for installation.

Outer trim panel for lawn and garden engine control area. Replaces cracked, dented, scratched, or warped facia. Restores finished appearance.

This screw is a genuine Midwest Engine replacement part for small engine appliances, including lawn tractors, lawn mowers, snowblowers, leaf blowers, vacuums, and tillers. The purpose of a screw is to tightly link materials together through rotation that pierces into the material. A screw might have to be replaced in the event that it is lost or misplaced, a common occurrence due to its size. A screw might also be replaced if it deteriorates over time, through erosion, cracking, or piercing, thereby reducing its efficacy in holding materials together. This kind of damage can be attributed to general overuse, to age, or simply to long-term exposure. If a screw is subject to any of this kind of damage, it is best to replace it immediately, as the materials held together by the screw must continue to be held together. Remember to always wear gloves when handling, repairing, and operating outdoor equipment. This screw is compatible with the following brands: Briggs & Stratton, Toro, Cub Cadet, and Lawn Boy.

Replace a worn valve retainer if your engine has compression loss or valve train noise. This washer-shaped part secures the valve spring lock on the valve.

Fix a broken or worn starter handle that won't pull easily. This starter rope grip restores easy pull-starting on lawn mower and outdoor power engines.

Replacement mounting screw for lawn and garden engines. Secures components together during operation. Replace if stripped, missing, or damaged.

Flange screw for lawn and garden engines. Distributes connection force over a larger area. Replace if threads are stripped, head is damaged, or screw is missing.

Mounting screw for lawn and garden engines. Secures engine components and covers. Replace if stripped, corroded, missing, or damaged during maintenance.

Fix poor engine performance and hard starting with this carburetor overhaul kit. Restores proper fuel mixture for lawn mower and trimmer engines.

Fix a flooded carburetor with this float. Controls fuel flow to the carburetor bowl, preventing flooding and ensuring proper air-fuel mixture.

Operating and installation manual for small engines and outdoor power equipment. Essential reference guide for proper setup, maintenance procedures, and safe operation instructions.

Dryer not blowing hot air or making noise? This fan belt drives the blower to restore airflow. DIYers replace it in under 30 minutes with basic tools.

This genuine Briggs & Stratton governor link can be used as a replacement part for appliances operated by small engines, including lawn tractors, lawnmowers, snowblowers, leaf blowers, vacuums, tillers, and generators. The function of a governor link on a small engine appliance is to set the throttle to run at a steady speed. A governor link might have to be replaced if it withstands enough damage to prevent the governor link from keeping the throttle running and keeping the rest of the engine's governor assembly in place. Remember to always wear gloves when handling, repairing, and operating outdoor equipment. This governor link is compatible with the following brands: Midwest Engine, Briggs & Stratton, Toro, Cub Cadet, and Simplicity. This part is sold individually.

The choke return spring is a part that is used on many small engines in lawn and garden equipment. The part is a component in the choke system that ensures that the correct tension is applied to keep the choke lever in the appropriate position. If the choke return spring is broken or begins to malfunction, the lawnmower may have issues keeping power and running correctly.If the choke return spring is damaged or weak, it will prevent the choke from returning to the correct position. This can cause the engine to speed up and accelerate more quickly than desired. The air filter housing will need to be unscrewed to access the choke return spring. Take the wire off the spark plug and remove the boot from the plug. Remove the spring from the linkage and then clip on the new one. Replace the other components to get the equipment to work again.This choke return spring is an authentic OEM replacement part directly sourced from the manufacturer. It is sold individually. The spring is compatible with various wood chippers, lawnmowers, and pressure washers by Briggs and Stratton, Simplicity, Toro, Lawn-Boy, and Cub Cadet.

Filters debris from fuel before it reaches the engine. Replace annually or when experiencing fuel flow issues. Confirm fit with your model number.

Control wire casing for lawn and garden engines. Protects and guides throttle or choke control cables. Replace if cracked, split, or missing.

Control wire for lawn and garden engines. Connects controls to engine throttle or choke mechanisms. Replace if frayed, broken, kinked, or missing.

Sealing washer creates a leak-proof seal in your lawn and garden engine. Replace when worn or cracked to prevent oil or fuel leaks. Confirm fit.

The muffler on a lawn or garden machine is meant to cut down on the amount of noise that comes from the engine. It will also prevent sparks from the exhaust system from igniting materials beneath the machine (such as dried grass or other debris). A muffler can wear out after only a few seasons because of the amount of use, the level of dried soot from the engine, and from any holes or cracks that can form in the housing or hoses. This OEM replacement muffler works on a long list of brands of lawn and garden machines, including those from Briggs & Stratton, Cub Cadet, Toro, and Simplicity. It will work with an array of small engines, pressure washers, chippers, and lawn mowers. It ships as a full replacement, including gasket and bolts as well as muffler assembly.

This blower housing is a genuine Midwest Engine part, sold individually. This blower housing can be used as a replacement part for a variety of small engine outdoor appliances including lawn mowers, pressure washers, leaf blowers, generators, and wood chippers. The purpose of the blower housing is to provide the internal combustion engine with a means of channeling and regulating the intake of air, which mixes with fuel to ignite the spark plugs and power on the engine. Remember to always wear gloves when handling, repairing, and operating outdoor equipment. Always unplug the appliance before performing any kind of repair or replacement. This is an OEM part sourced directly from the manufacturer, and it is sold individually. This blower housing is compatible with the following outdoor appliance brands: Midwest Engine, Briggs & Stratton, Toro, and Simplicity.

This part has been discontinued by the manufacturer and is no longer available.

Metal rear door panel for dryer drum access. Replaces cracked, dented, or rusted panels. Mounts to back of dryer cabinet for maintenance access.

Metal mounting screw for lawn and garden engines. Secures components together throughout the equipment. Replace when stripped, rusted, or missing.

This screw is designed to be used on all sorts of lawn and garden equipment. The metal screw is durable and attaches to the muff guard bracket to keep it in place and stable while the equipment is being used. This screw can become damaged through overuse or wear and tear. It can also break or become stripped, which will require it to be replaced.Visually inspecting the area with the muff guard bracket is connected to the rest of the equipment will give information about whether the screw is broken or damaged. The screws can also be cleaned to be more visible so small problems are easier to pick up on. Sometimes the screws can become loose, which is another situation where a replacement is needed. Simply use a screwdriver to take out the old screw and replace it with a new one.This screw is a genuine OEM replacement part that is directly sourced from the manufacturer. It comes as an individual part. The screw can be used on snowblowers, lawnmowers, lawn tractors, tillers, pressure washers, leaf blowers, edgers, generators, wood chippers, and log splitters made by MasterCut, Simplicity, MTD, Snapper, Lawn-Boy, Wheel Horse, Cub Cadet, Toro, Craftsman, and Briggs & Stratton.

Engine won't start? A worn pawl friction plate in the starter assembly prevents cranking. This small engine part transfers power to the starter cup.

The breather tube is responsible for filtering out exhaust gases from the crankcase. It has special fibers in the tube to remove contaminants as it moves the exhaust gases through the ventilation valve and out into the air. The tube also helps ensure that the engine air stays cool for optimal performance. This rubber tube can become dry and cracked over time, or it could be damaged due to an incident or impact. In any case, the tube should be fully replaced when it is not functional to ensure optimal performance at all times. This genuine OEM breather tube is manufactured to exact standards and made by Briggs and Stratton. It is compatible with select engines on more than 150 lawn mowers and generators from Toro, Briggs & Stratton, and Lawn Boy. This replacement tube is made of high-quality materials and sold as an individual part. No hardware or other parts are included with the purchase. This part should only be replaced once the engine is cool and all work should be done in a well-ventilated area. A screwdriver and socket set will be required to replace this part.

Secures engine components on gas line trimmers. Replace this mounting nut if it's stripped, corroded, missing, or no longer holds parts firmly in place.

Replacement screw that secures the pawl friction plate in lawn and garden engines. Replaces lost, stripped, or damaged flange bolts on the recoil assembly.

Engine won't start or pull cord doesn't retract? This rewind starter assembly restores pull-start function on lawn and garden engines. Moderate DIY repair.

Engine won't shut off when you turn the key? Replace your lawn mower's stop switch to restore safe engine control. Simple safety repair.

Fix a stretched or broken starter rope spring with this friction spring. Prevents pulley damage and overstretching. Fits small engines on snow throwers, pressure washers, and generators. Easy DIY repair.

This exhaust gasket is a genuine Midwest Engine replacement part for appliances operated by small engines, such as chipper shredders, snowblowers, leaf blowers, and lawn mowers. An exhaust gasket's purpose in the engine is to create a sealed layer between the carburetor and the exhaust tube to keep dirt and debris out of the infrastructure of the engine. A malfunctioning or broken exhaust gasket could compromise the seal between the carburetor and the exhaust tube, meaning that dirt and debris could get into the engine and cause damage. An exhaust gasket could be subject to damage from overuse and is generally known to require replacement over time from general wear and tear. If the exhaust gasket seal is compromised, it should be replaced immediately. Evidence of dirt and debris compromising an engine could take the form of oil leaking from the carburetor, black smoke pluming from the exhaust tube, and lower engine pressure than usual. This exhaust gasket is compatible with the following brands: Briggs and Stratton, Cub Cadet, and Toro. This part sold individually.

Replaces a cracked, missing, or worn fuel cap on lawn mowers and outdoor power equipment. Ensures a secure seal to prevent fuel evaporation and leaks.

Pre-cleaner filter wraps around your engine's air filter to trap large debris before it reaches the main filter. Replace when torn or clogged to maintain airflow and engine protection. Verify fit by model number.

This OEM air cleaner cover from Briggs & Stratton fits over the air cleaner and filter system, protecting the filters from excess dirt, debris, and other potential damage. This cover is also designed to help hold the air filter in place. The plastic housing is durable, but it can be subject to damage over time. This replacement is a snap-on cover, so no tools are required. Be sure to wear gloves when performing any kind of work on lawn and garden equipment. This air cleaner cover is designed to work with multiple types of lawn and garden equipment from Briggs & Stratton, Lawn-Boy, and Toro. It works with various engines on generators and lawnmowers, including hundreds of different specific models. It is sold individually and does not include the actual air filter or the bottom part of the housing.

This genuine Midwest Enginescrew can be used as a replacement part for appliances operated by small engines, including lawn tractors, lawnmowers, snowblowers, leaf blowers, vacuums, tillers, and pressure washers. The function of a screw on a small engine appliance is to fasten materials together through rotating such that the screw pierces into the materials to attach them. There are several reasons why a screw might have to be replaced. As they are a small part, screws might have to be replaced if they are lost or misplaced. These misplacements are a common occurrence for owners of small engine appliances while they do repairs. Additionally, screws may suffer damage over time in the form of rusting, stripping, erosion, or other deterioration and should be replaced if the damage hampers their ability to keep materials fastened to each other. Remember to always wear gloves when handling, repairing, and operating outdoor equipment. This OEM screw is compatible with the following brands: Midwest Engine, Briggs & Stratton, Toro, Cub Cadet, and Snapper. This part is sold individually.