Parts for Craftsman 917250820: Engine Parts

This riding lawn mower muffler is a replacement part for mowers that have a bad or damaged muffler. The muffler reduces the amount of exhaust noise that comes from the mower. It is also needed to prevent exhaust sparks from igniting dry leaves, grass, or other debris on the ground. Without a muffler, it could also allow cool air to get into the exhaust valve, which could cause the engine to lose compression. This could mean needing a valve replacement. The muffler on a riding mower can become damaged and have other issues after a couple of seasons. A buildup of soot in the muffler can cause it to be less effective. Additionally, the muffler could develop small holes or cracks that will reduce or eliminate its effectiveness entirely. When the muffler is no longer working properly, or if it has been several seasons, it is a good idea for owners to replace the muffler. This is a genuine OEM part sourced from the manufacturer. It can be used with riding mowers from a range of manufacturers including Ryobi, Husqvarna, Poulan, Craftsman, Jonsered, and Ariens.

This engine pulley is a genuine MTD part, sold individually. This engine pulley can be used as a replacement part in a lawnmower. The purpose of the engine pulley in a lawnmower is to guide the rotational motion of the drive belt within the internal mechanisms of the lawnmower such that the belt can facilitate the rotation of the wheels and the propulsion of the appliance across a variety of surfaces when in use.If the engine pulley has been cracked, scraped, punctured, dented, warped, or eroded to the point that it can no longer serve its function, the engine pulley should be removed and replaced by this genuine OEM replacement part as soon as possible.This OEM part is a genuine replacement that is sold individually and sourced directly from the manufacturer. This engine pulley is compatible with the following outdoor appliance brands: MTD and Craftsman.

This replacement knob kit restores a worn, broken, or missing control knob so appliance settings can be adjusted easily and safely. It fits the original control shaft and matches the OEM shape and fit for a factory-like feel. What it does:

• Replaces cracked, loose, or missing control knob that prevents proper setting selection
• Restores tactile control and clear indicator alignment for reliable temperature/setting changes
• Helps avoid accidental setting changes from a damaged or slippery knob
• Matches the OEM fit to ensure proper rotation and engagement with the control shaft

• Always disconnect power to the appliance before attempting any repair
• Remove the old knob by pulling it straight off the control shaft; use gentle, steady force
• Press the new knob fully onto the shaft until it seats; no special tools required in most cases

This part is a replacement fuel tank cap. This is a genuine OEM part made by Husqvarna and has been sourced directly from the manufacturer. This part can be used to replace a broken, lost or defective fuel tank cap in lawn tractors.The fuel tank cap prevents fuel from spilling from the tank. It also keeps contaminants or debris out. Fuel spills can be dangerous and costly, and contaminated fuel may affect equipment performance. Thus, the fuel tank cap is essential and should be replaced if lost or no longer effective. It's important when working on or near any engine to make sure the equipment is powered off and completely cooled down before starting any repairs. For more accurate information on how and where to install this fuel tank cap, the appropriate owner's manual and equipment diagrams should be referred to. As an authentic replacement part, this fuel tank cap is suitable for use on several models of lawn tractors manufactured by Husqvarna, Poulan, and other brands. This is a genuine part made of high-quality, durable materials and is sold individually.

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

This no grease mandrel assembly is the part that houses the shaft where the mower blade attaches. It is mounted to the deck of the mower by three bolts, which are sold separately. The mounting holes on the mandrel housing are not threaded, but the bolts used to secure the mandrel to the deck are self-tapping. If the lawnmower is no longer providing an even cut, there may be a problem with the mandrel assembly. A broken or damaged mandrel assembly can severely reduce the mower's cutting performance. Replace it as soon as possible. The mandrel shaft goes through the deck, and the pulleys are attached to them, then the belt that drives the mandrels is placed in the pulleys. A spacer must be installed under the pulley. Failing to use a spacer or installing it on top of the pulley will result in damage to the shaft and pulley. This mandrel assembly is compatible with Ariens, Craftsman, Husqvarna, Poulan, and Weed Eater lawn mower models. It is an OEM part sourced directly from the manufacturer and is sold individually. The mandrel assembly includes a housing, shaft assembly, bearing, and nut only; the pulley/washer and blade bolt/washers are not included.