EX400DS5240 Subaru Engine - Overview

An oil drain plug is a part designed to facilitate a convenient and controlled method for draining the oil from an engine and is commonly positioned at the lower part of the machine, threaded into the oil sump or pan, offering an easier point for oil removal. This plug is designed for use within various types of small engine equipment and...Read more requires a hex socket wrench to remove and install. This plug is an OEM part that is sold as an individual and prevents any oil from leaking from the oil sump/pan and need only be removed for oil changes. If you notice an oil leak or poorer performance from your equipment, it may be due to an oil leak caused by a broken or loose plug. To replace this plug, ensure you use the torque setting set by the manufacturer of your equipment to properly secure it.

This is a genuine OEM supplied component which is specially made for use with Subaru / Robin engines commonly installed on lawn and garden equipment. It is a standard hardware which may have multiple applications depending on the model of your unit, please make sure to refer to the appropriate diagrams for the correct location and applica...Read moretion of this part. Keep in mind this high-quality flange bolt is made of durable metal and is sold individually.

This OEM flange nut in your engine is a fastener that secures different engine assemblies, like the intake system or the fuel tank. It has a wide, flat base for stability and even load distribution. With a diameter of 6 mm, a thread pitch of 1 mm, and a flange diameter of 13 mm, it is commonly found at assembly attachment points or in are...Read moreas that vibrate. You can tell if a flange nut is broken by checking for bending, cracking, or missing pieces. You may also notice loose assemblies. Not replacing a broken flange nut can lead to issues such as air or fuel leaks and a loss of engine power. To remove a damaged nut, consult your user manual for its location and use a wrench or socket to unthread it. Please note that this flange nut is sold individually, so it is essential to confirm the quantity required for your specific machine. It is also a good idea to keep some extras on hand for future repair needs.

This gasket, also known as the oil drain plug gasket, is a ring-shaped, metal component used in outdoor power engines. It is supplied by the manufacturer and can be found at the bottom of the engine oil pan where the drain plug is installed. The gasket is responsible for sealing the area between the oil drain plug and the engine block to ...Read moreprevent oil from leaking during oil changes. Over time the gasket can wear down, corrode, or crack. If the gasket can no longer seal the area, oil will escape from the oil pan, leading to inadequate lubrication, increased friction, and engine damage. Before you begin the repair, drain the oil from the engine to prevent contamination. Use a wrench to loosen and remove the oil drain plug. Peel off the old gasket, and thoroughly clean the drain plug and oil pan surface. Install the new gasket and ensure that it sits firmly on the oil pan. Finally, reinstall the drain plug, and be careful to avoid overtightening it.

This intake valve seal is an OEM part that creates a tight seal between the intake valve and the cylinder head, preventing air-fuel mixture leakage. A broken seal may show signs of being distorted, cracked, or torn, and you may notice leakage around the valve. If the broken seal is not replaced, it can harm engine performance and efficien...Read morecy. To remove the seal, disconnect components like the intake and exhaust manifolds, and unbolt the cylinder head from the engine block. Locate the seal and use a socket wrench to remove the fasteners securing the valve spring retainer. Compress the valve spring with a valve spring compressor and remove the valve keepers. Release the compressor and take off the retainer and spring. Gently tap the seal intake valve with a rubber mallet to loosen and remove it. Please bear in mind that this seal is sold individually and the valve is sold separately.

This is a genuine Subaru/Robin replacement part. The gasket is designed by the manufacturer for use in engines. This part is made of plastic, and is used to seal the connection between the oil gauge and the bearing cover. No tools are required when replacing this item. Simply remove the oil gauge so the old part can be removed and replaced. This product is sold individually.

It is a genuine manufacturer-sourced replacement part used on a variety of Subaru/Robin engines commonly installed on lawn and garden equipment. This part provides an air-tight seal between the carburetor and the insulator, over time the material tends to deteriorate and crack eventually requiring replacement. This part is made of high-quality composite material and it is sold individually.

The spacer goes next to the o-ring and the other spacer. This is an OEM part sourced directly from the manufacturer and used in engines made by Subaru/Robin. This part is available as an individual replacement part. It may require a screwdriver during installation. This item is made of rubber and will need to be replaced if it breaks.

This is available as an individual replacement part. The o-ring is made of rubber and goes next to the spacer. During replacement, it may require a screwdriver and a set of pliers to help install the part correctly. It will require replacing if it becomes broken. This is a genuine Subaru and Robin replacement part used in compatible engines.

This is a genuine Subaru and Robin replacement part for use in engines. The governor sleeve attaches to the governor gear. A hammer may be needed during the replacement of this part. It is made out of metal and will need to be replaced if it breaks. This item is sold individually.

This is a genuine OEM approved replacement Oil Gauge for Subaru/ Robin small engines. The part is used as a dipstick in order to measure the amount of oil your engine has within it. It is critical to the life of your engine to be sure you have the right amount of oil so that you don't burn up the motor.

This is a genuine manufacturer-supplied part that is made for use with Subaru / Robin engines that are commonly installed on a variety of lawn and garden equipment. The packing provides a tight seal for the air cleaner base. It is recommended to replace gaskets and seals when servicing the engine to ensure proper seals when the parts are ...Read morereassembled. This high-quality packing is made of durable material and is sold individually. refer to the parts diagrams for your model to ensure the correct repair procedure.