Aeagle idler pulley Murray 91179 front view for smooth belt tensioning
Aeagle idler pulley Murray 91179 side view highlighting steel durability
Aeagle idler pulley close-up of solid steel construction
Aeagle idler pulley compatibility chart for Ranch King and Murray models
Aeagle idler pulley belt routing path illustration for proper alignment
Aeagle idler pulley packaging with 12-month warranty information

Aeagle

Aeagle Idler Pulley for Murray Scotts Ranch King 38–42 in — Durable Steel Replacement 91179

High-performance patio lawn and garden made for confident daily results

$22.17

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Why customers choose PatioZora Garden

Premium steel idler pulley for select Murray, Scotts, Ranch King, and Hayter decks

The Aeagle Idler Pulley is a solid steel replacement designed to restore smooth belt motion on a range of lawn tractors and mower decks. Built for durability, it stands up to regular maintenance tasks and fits a variety of transmission drive tension and clutch configurations. With precise dimensions and reliable construction, this pulley helps support consistent belt routing during the busy mowing season.

Key specifications and compatibility ensure a practical, ready-to-install option for common deck sizes. The pulley pairs a compact 0.50" inner bore with a 3.33" outer diameter and a 1.00" height, which aligns with many OEM parts while allowing for straightforward installation and long-term performance. Each unit replaces several part numbers across Murray and Hayter lines, providing a versatile solution for DIY repairs and routine upkeep.

Product specs at a glance

  • Inner Diameter: 0.50 Inches
  • Outer Diameter: 3.33 Inches
  • Height: 1.00 Inches
  • Replaces Part Numbers: Murray 91179, 421409, 421409MA, 091179, 091179MA, 91179MA; Hayter MY91179
  • Fit Type: Transmission drive tension / clutch systems

Wide compatibility you can rely on

  • 38 Inch Ranch King: 38715x82A, 38716x82A
  • 42 Inch Ranch King: 42500x82A
  • 38 Inch Scotts: 38702x7A, 38702x7B, 38702x8D, 38702x8E
  • 40 Inch Scotts: 40708x8A, 40708x8B, 40507x8B, 40507x8B
  • 38 Inch Murray: 38705A, 38706A, 38623x5C, 38623x5D, 38705x30A, 38705x5A, 38705x5B, 38500A, 38504A, 38506x4A, 38500B, 38710A, 38500x30A, 38710A, 38715A
  • 40 Inch Murray: 40706A, 40708C
  • Additional Murray: 38706x99A, 38706x99B, 38633x92A, 38633x92B, 38506x199A, 38504x25A, 38500x192A, 38500x192B, 38500x83A, 38500x92A, 38500x92B, 38713x71A, 38711x96A, 38515x83A

What to expect in use

Designed for dependable, long-term operation, this pulley supports steady belt alignment and reliable drive engagement across compatible 38– and 42-inch decks. It’s a practical option for both seasonal maintenance and routine mower care, offering a straightforward upgrade path when original parts wear or fail.

Warranty and support

All Aeagle idler pulleys come with a 12-month warranty and access to responsive support for installation questions and compatibility checks.

FAQ

Q: What models is the Aeagle Idler Pulley compatible with?

A: Compatible with Murray, Scotts, Ranch King, and Hayter units listed in the product specs; confirm your model before purchase.

Q: What are the main benefits of this idler pulley?

A: Durable steel construction supports steady belt alignment and long life; designed for use across multiple 38- and 42-inch mower decks.

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