4PK Genuine OEM Toro Extension Spring 1-603402 E603402 Titan Z MX Master Mowers

Aftermarket Extension Spring for Toro Titan Z, MX, and Master Mowers

This extension spring is an aftermarket replacement identified by Toro OEM reference numbers 1-603402 and E603402. Extension springs provide tension for a range of mower applications, including deck and linkage assemblies. Verify the required spring dimensions, end configuration, and mounting points before ordering.

Product Details

• Reference Numbers: 1-603402, E603402
• Quantity: 4
• Product Type: Extension spring
• Brand Association: Toro (OEM reference numbers)

Fitment & Compatibility

• For Toro Titan Z mowers
• For Toro MX mowers
• For Toro Master mowers

Frequently Asked Questions

Q: What is the function of an extension spring? A: Extension springs stretch under load to provide tension or return force in mechanical assemblies. Confirm the required dimensions and load rating before purchase.

Q: How do I verify this spring fits my mower? A: Check your equipment's complete model and part number against the reference numbers 1-603402 and E603402. Compare spring dimensions and end style with your existing part.

This is an aftermarket replacement part. Confirm fitment before purchase.