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12_48a8e95f-e79b-4d66-8b31-5f5d914ecccd - Northline Parts

Relay GY20437 Compatible with John Deere L100 L105 L110 L111 L118 X105 X115R X135R D105 D140

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$22.99
Sale price  $22.99 Regular price 

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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

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Product Overview

This replacement relay is engineered to restore reliable electrical switching and power distribution to your John Deere equipment. Designed for durability, it helps maintain consistent starting performance and protects critical ignition circuits from electrical failure.

Key Features & Performance

  • Heavy-Duty Construction: Built with premium materials to resist heat, vibration, and moisture in outdoor conditions.
  • Direct Fitment: Meets or exceeds factory specifications for a seamless installation without modifications.
  • Dependable Operation: Provides stable electrical connections to ensure your mower starts reliably every time.

Fitment & Compatibility

  • Compatible Models: John Deere L100, L105, L110, L111, L118, X105, X115R, X135R, D105, D140
  • Part Number(s): GY20437

Technical Specifications

  • Part Type: Relay
  • Part Number: GY20437

Frequently Asked Questions

  • Q: Is this relay a direct replacement for my original part? A: Yes, this is designed to be a direct aftermarket replacement for the GY20437 relay used in the listed John Deere models.
  • Q: Why is my mower clicking but not starting? A: A clicking sound often indicates that the relay is receiving power but may have internal contact failure, making this replacement a likely solution.

Compatibility may vary by serial number. Verify fitment before purchase.

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