Which part numbers does Idler Pulley Replacement - Hustler 604491 replace?

Idler Pulley Replacement - Hustler 604491 is an aftermarket replacement for Hustler 604491. Match the number stamped on your original part before ordering, especially when the same mower family has several deck or model-year versions.

What are the key specifications of Idler Pulley Replacement - Hustler 604491?

Key specifications are Pulley Type: Flat Idler Pulley; Outer Diameter (OD): 2"; Inside Diameter (ID / Bore): 3/8". Compare these measurements with the removed part before installation.

Which mower models or equipment families is Idler Pulley Replacement - Hustler 604491 used with?

Raptor. Use the model list as a fitment guide, then confirm the part number and dimensions because manufacturers may change deck parts within the same model family.

Which pulley measurements are most important?

Outer diameter 2"; bore 3/8". Match the belt profile and bearing or bore style before ordering.

Is Idler Pulley Replacement - Hustler 604491 an OEM part?

No. This is an aftermarket replacement part made to match the listed replacement numbers. Use the OEM number and dimensions to confirm fit before installation.

What should be inspected during installation?

Clean the mounting area, compare the new part with the removed part, and check nearby wear items before putting the mower back into service.

Idler Pulley Replacement | Hustler 604491 OEM

Name: Idler Pulley Replacement | Hustler 604491 OEM
Brand: SYZAGRI
SKU: SYZ-PUL-604491
Availability: InStock

SKU:

SYZ-PUL-604491

Price excludes delivery and setup | Tax may apply

Center Hole:

Replaces Part No.

Hustler 604491

Compatible Models

### Hustler > ⚠️ Important: Verify the 2″ outside diameter and 3/8″ bore against your original pulley before ordering.

Product Description

This replacement pulley matches Hustler 604491 for selected mower deck drive applications. Use the OEM part number, pulley outside diameter, bore or spline style, belt position, and deck family to confirm fit before ordering. Key specifications include Outer Diameter (OD) 2″, Inside Diameter (ID / Bore) 3/8″.

Specifications

Attribute	Value
Pulley Type	Flat Idler Pulley
Outer Diameter (OD)	2″
Inside Diameter (ID / Bore)	3/8″

Idler Pulley Replacement | Hustler 604491 OEM

Center Hole:

Replaces Part No.

Compatible Models

Product Description

Specifications

You May Also Like

Spindle Assembly Replacement for 618-09395 / 618P09395

Spindle Assembly 59202600 / 59215400 for Gravely GR, HR, PM

Cutter Housing with Bearings 116-3344 for Exmark Lazer Z, Tu

Spindle Assembly 918-05137 Replacing 618-05137 for 54″ Cub C