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Lawn mower flat idler pulley.

Flat idler

Pulley kit 4 7/8" diameter

Flat idler pulley: 2.75"

Lawn mower mandrel pulley (also called a spindle pulley).

V-type pulley: 7.25 dia.

Engine pulley

Idler V pulley

Pulley idler flat

Idler pulley

Idler Pulley , 3/8 ID, 3.06 OD

Pulley: v-type, idler - 3.06"

Pulley transmission

(c) pulley nylon

Pulley idler
Murray mower pulleys transfer engine power to your deck and drive system—when they wear, slip, or crack, your mower loses cutting power or won't move at all. Repair Clinic stocks genuine OEM Murray pulleys, including deck drive pulleys, transmission pulleys, and idler pulleys, all engineered for exact fit and durability. Using genuine parts helps support proper fit and performance and ensures smooth operation season after season.
Finding the right pulley starts with your model number. We carry replacements for every Murray generation, from classic push models to modern self-propelled machines. Browse Murray lawn mower pulley parts by model to find yours quickly.
Pulleys wear from constant friction with belts, especially if belts are over-tensioned or misaligned. Debris, rust, and age are common culprits. Check your belt condition when replacing a pulley—a worn belt accelerates new pulley wear.
Locate your Murray model number (typically on the deck frame or chassis) and cross-reference it on our site. We organize pulleys by function: deck, transmission, idler, and crankshaft. Photos and fitment guides help confirm the correct part before ordering.
Most Murray pulley replacements require only a socket set and wrench. Disconnect spark plug wires first for safety. Some transmission pulleys may need a pulley puller tool—Repair Clinic offers affordable pullers if needed. Our parts pages include step-by-step installation tips.
Yes. OEM pulleys match original specifications exactly, maintain proper belt tension, and reduce stress on adjacent parts. They're engineered to last 3-5+ years with proper belt maintenance, typically outlasting generic alternatives.


Ensure your Murray Lawn Mower operates efficiently with genuine OEM pulley parts from Repair Clinic. Lawn mower pulleys are important to replace because they help maintain the correct tension in the belt systems, ensuring smooth operation and preventing belt slippage. Use our model number lookup to find the exact pulley part for your Murray Lawn Mower. Enjoy the convenience of same-day shipping, No-Hassle 365-Day Returns, and our Price Match Guarantee for a reliable shopping experience. For troubleshooting tips and installation guidance, visit our Lawn Mower Repair Help page or browse other Murray Lawn Mower Parts.
Murray prints the model number on a label or plate on many lawn mowers, often on the frame near the blade deck, chassis, or engine housing. Check the mower's body carefully, and look in the owner's manual if the label is worn or hard to reach. The model number identifies the entire mower, so it helps match every associated replacement part, not just a pulley. Enter it in the search bar to filter the catalog to parts made for your specific Murray model. With the correct number in hand, you can skip guesswork, compare compatible options, and get the repair moving without sorting through parts for similar-looking mowers.

Whether you own a Murray Lawn Mower or work on one professionally, Repair Clinic's online repair help covers what you need. Start with a symptom guide to narrow the likely cause, then use the model number lookup to confirm the correct replacement part. Written repair instructions and matching videos walk you through each step of the installation for a clean, first-time repair.

Repair Clinic has five ways for you to stop your lawn mower from leaking gas. Before we get to those, let's review how the gasoline you pour into the tank powers the mower.

Why does your lawn mower battery keep dying? Repair Clinic has done the research and this article will provide some answers, starting with what a battery's purpose is on a gas-powered lawn mower.

What's causing that black smoke to billow out of the engine? There are three likely reasons and they are all related to how a gas-powered lawn mower engine operates.