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Description
25 418 01-S Speed Sensor Kohler – Genuine OEM Replacement Part
The Kohler 25 418 01-S Speed Sensor is a genuine OEM replacement engine monitoring component designed for select Kohler small engines. This sensor is responsible for detecting and reporting engine speed (RPM) to the engine control system, ensuring proper operation, performance regulation, and reliable engine management.
Speed sensors are critical in EFI and electronically controlled engines, helping maintain smooth running, consistent power output, and safe operating conditions.
Product Details
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Manufacturer Part Number: 25 418 01-S
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Brand: Kohler
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Part Type: Engine Speed Sensor
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Application: Engine Monitoring / Electronic Control System
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OEM Status: Genuine Kohler OEM Replacement Part
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Condition: New
Function
The Kohler 25 418 01-S Speed Sensor is designed to:
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Monitor engine RPM and speed signals
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Provide input to the engine control module (ECM)
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Support proper ignition timing and fuel delivery control
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Replace faulty or damaged speed sensors
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Ensure reliable engine performance and operation
Compatibility
This OEM speed sensor fits select Kohler small engines commonly used in:
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Riding lawn mowers
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Lawn tractors
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Zero-turn mowers
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Commercial outdoor power equipment
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EFI and electronically controlled Kohler engines
⚠️ Always verify your engine model and specification number before ordering to ensure correct fitment.
Installation / Usage
The speed sensor installs within the engine monitoring system and connects to the engine’s electronic control harness. Replacement is recommended if experiencing:
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Engine running inconsistently or stalling
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Fault codes related to speed or RPM sensing
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Loss of performance or improper engine regulation
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Sensor damage during service
For best results:
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Follow Kohler service manual installation procedures
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Inspect wiring connectors for corrosion or damage
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Use only genuine Kohler OEM electronic components
Maintenance Tips
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Keep electrical connections clean and secure
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Inspect sensors during major engine servicing
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Replace damaged sensors promptly to avoid control issues
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OEM parts ensure accurate readings and long-term reliability
