Which part numbers does Flat Idler Pulley Replacement - Hustler 603986 / 605512 replace?

Flat Idler Pulley Replacement - Hustler 603986 / 605512 is an aftermarket replacement for Hustler 603986, 605512. Match the number stamped on your original part before ordering, especially when the same mower family has several deck or model-year versions.

Which mower models or equipment families is Flat Idler Pulley Replacement - Hustler 603986 / 605512 used with?

Raptor 42" deck. 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?

. Match the belt profile and bearing or bore style before ordering.

Is Flat Idler Pulley Replacement - Hustler 603986 / 605512 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.

Flat Idler Pulley Replacement | Hustler 603986 / 605512

Name: Flat Idler Pulley Replacement | Hustler 603986 / 605512
Brand: SYZAGRI
SKU: SYZ-PUL-605512
Availability: InStock

SKU:

SYZ-PUL-605512

Price excludes delivery and setup | Tax may apply

Center Hole:

Replaces Part No.

Hustler 603986, 605512

Compatible Models

### Hustler > ⚠️ Important: Verify the OEM number and pulley dimensions against your original part before ordering.

Product Description

This replacement pulley matches Hustler 603986, 605512 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.