4PK Spring for John Deere Lawn Tractor Mower GX20377 GX21582 145 155C 190C D140

4PK Spring for John Deere Lawn Tractor and Mower Models

This spring is an aftermarket replacement component identified by the reference 4PK. It is intended for use in spring-loaded assemblies on select John Deere lawn tractors and mowers, where it provides tension or return force for the associated mechanism.

Product Details

• Product Type: Spring
• Reference Number: 4PK
• Reference Number: GX20377
• Reference Number: GX21582

Fitment & Compatibility

• Fits John Deere 145
• Fits John Deere 155C
• Fits John Deere 190C
• Fits John Deere D140

Frequently Asked Questions

Q: What is this spring used for? A: It is used in a spring-loaded assembly on compatible lawn tractors and mowers to provide tension or return force for the mechanism it serves.

Q: How do I confirm this spring fits my mower? A: Verify that your complete model appears in the fitment list and that your existing part matches reference GX20377 or GX21582.

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