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12_c9fa2a48-c0ae-4aeb-8bb4-89b8febf739b - Northline Parts

12V Glow Plug Timer Relay 8970405010 for John Deere 27ZTS 50ZTS 4100 – 6-Pin

SKU: NLT2T04490
$32.19 In Stock
$32.19
Sale price  $32.19 Regular price 
Ships for free in 2–4 business days.
This is a 12V glow-plug timer relay referenced by 8970405010 for compatible John Deere compact tractors and mini excavators.
Estimated delivery between
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Compatible Models

We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.

Compatible equipment / model
Brand Model / Engine Application Notes
John Deere 27ZTS / 35ZTS / 35C ZTS / 50ZTS Mini excavators
John Deere 4100 / 4100G / 4100H Compact tractors

Product Overview

The timer relay controls how long the glow-plug circuit remains energized during cold starting. A failed relay can cause no preheat, excessive preheat, intermittent cold-start problems or glow plugs that remain powered longer than intended.

Replacement listings associate this family with John Deere 27ZTS, 35ZTS/35C ZTS, 50ZTS and 4100/4100G/4100H machines, and cross-reference 8970405020, 31A66-15100 and 897105-7900. Connector layout should be checked before installation.

Key Features & Performance

  • 12V glow-plug preheat timer relay
  • Common 6-pin configuration
  • Cross-references 8970405010, 8970405020, 31A66-15100 and 897105-7900
  • Used on selected John Deere compact tractors and excavators

Technical Specifications

Part type Glow-plug timer relay
Voltage 12V
Connector 6-pin family
Primary reference 8970405010

Part Numbers & Cross-References

8970405010, 8970405020, 31A66-15100, 897105-7900

Frequently Asked Questions

What should I verify before ordering?
Compare the relay number and 6-pin connector arrangement to the original.

Is this an OEM part?
No. This listing is a replacement component. Manufacturer names, model names and reference numbers are used for identification and compatibility; compare the original part and equipment details before ordering.

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