Glow Plug Controller M809173 for John Deere 4100 4100C 4100G 4100H 4100N
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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.
| Application | Fitment Notes |
|---|---|
| John Deere 4100 | Use only with the matching original part/configuration. |
| John Deere 4100C / 4100G | Use only with the matching original part/configuration. |
| John Deere 4100H / 4100N | Use only with the matching original part/configuration. |
Product Overview
For buyers repairing John Deere 4100 and compatible 4100C, 4100G, 4100H and 4100N configurations using controller M809173, this glow plug controller gives you a focused replacement option without adding unsupported claims about applications outside the listed fitment. Restores control of the diesel preheat cycle for dependable cold starting.
Fitment matters on service parts like this one. Confirm M809173 and the connector/pin layout before ordering; electrical controls can change by production date.
Key Features & Performance
- Designed for John Deere 4100 and compatible 4100C, 4100G, 4100H and 4100N configurations using controller M809173.
- Restores control of the diesel preheat cycle for dependable cold starting.
- Cross-reference number(s): M809173, M808088.
- Function: Glow-plug preheat control.
- Related Reference: M808088.
Technical Specifications
- Function: Glow-plug preheat control
- Reference Number: M809173
- Related Reference: M808088
OE / Reference Numbers
- M809173
- M808088
Common Reasons for Replacement
- Glow-plug indicator/preheat cycle does not operate normally
- Cold engine is difficult to start despite good glow plugs
- Controller fails to energize or release the glow-plug relay circuit correctly
Frequently Asked Questions
How do I confirm fitment?
Confirm M809173 and the connector/pin layout before ordering; electrical controls can change by production date.
When should the glow plug controller be replaced?
Replacement makes sense when diagnosis confirms the original component is worn, damaged or electrically/mechanically failed and the rest of the related system checks out.
Is this an OEM part?
This listing is for a replacement part. Brand names and OE/reference numbers are used to identify fitment unless the listing specifically states that the item is genuine OEM.