Official MTD Lawn Mower Pulleys

Lawn Mower Idler Pulley

$42.85

Fix Number: FIX11812944
Manufacturer Part Number: 753-08171

Genuine OEM Idler Mandrel Pulley Kit which includes: pulley, spacer/washer and a bushing. This part spins the blade on the mower deck of the tractor. The bearing for this pulley is not sold separately. If part is damaged or the bearing inside of it is not spinning freely then this part needs to be replaced.

Lawn Tractor Mandrel Assembly

$137.26

Fix Number: FIX11813294
Manufacturer Part Number: 918-06991

This mandrel assembly is for lawn tractors. The mandrel assembly attaches to the mower deck and spins the blades. The assembly may include multiple parts; refer to your parts diagram for a complete list of parts included. Wear work gloves to protect your hands when installing this part.

Spindle Assembly with Pulley

$163.44

Fix Number: FIX12681847
Manufacturer Part Number: 918-06978

Spdl asm-pulley &

Lawn Mower Flat Idler Pulley

$32.12

Fix Number: FIX9303877
Manufacturer Part Number: 756-04224

This flat idler pulley is designed to help maintain proper belt tension while reducing vibration and uneven wear in lawn and snow equipment drive systems. Made from durable metal for long-lasting performance, it supports smooth belt routing and consistent operation under regular use. Ideal for replacing a worn or noisy pulley, it helps restore reliable belt engagement and overall machine performance.

Pulley-idler 4.50

$55.76

Fix Number: FIX11812961
Manufacturer Part Number: 756-05034A

Watch the install video

Pulley-v Idler

$30.75

Fix Number: FIX9122927
Manufacturer Part Number: 756-04325

This is an authentic replacement part manufactured for use with riding lawnmowers. The special pulley is used to guide the transmission belt around part assemblies. This pulley is sold as an individual replacement part, please see model diagram for associative parts.

Pulley-flat idler

$34.74

Fix Number: FIX12685605
Manufacturer Part Number: 756-05032

Watch the install video

Lawn Mower Blade Adapter

$48.17

Fix Number: FIX9061589
Manufacturer Part Number: 687-02528

This is an authentic OEM sourced replacement part that is intended to be used with lawnmowers from Troy-Bilt, Yard-Man, and MTD. The blade adapter is used to link the motor pulley, blade, and the belt to allow the drive shaft to rotate the blade. This item is available as an individual replacement part.

Spindle Pulley Assembly

$171.77

Fix Number: FIX9157142
Manufacturer Part Number: 918-04865A

This high-quality spindle and pulley assembly is a genuine OEM replacement part, specifically designed for use with riding lawn mowers and lawn tractors. Built from durable metal components, it serves as the mounting point for the mower blade and the deck belt that drives it. Depending on your mower model, your deck may require two or three of these assemblies. Note: The spindle housing features non-threaded mounting holes. Be sure to use self-tapping bolts to secure the housing to the deck. This item is sold individually. For proper fit and installation, refer to your equipment’s model diagram.

Watch the install video

Lawn Mower Transmission Pulley

$36.71

Fix Number: FIX9172758
Manufacturer Part Number: 956-04002

This variable-speed drive V-pulley with hub is designed to guide and support the drive belt within a riding lawn tractor’s transmission system. Constructed from durable spun steel, it helps ensure smooth belt movement, consistent speed control, and reliable power transfer under load. Ideal for replacing a worn, bent, or noisy pulley, it restores proper variable-speed operation and dependable drivetrain performance during regular mowing use.

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