Kohler 25 418 12-S Throttle Position Sensor – Replacement Lawn & Garden Equipment Engine Throttle Control System Component

Part Number: 25 418 12-S
Category: Kohler Lawn & Garden Equipment Engine Replacement Parts
Type: Replacement EFI Engine Throttle Position Sensor

The Kohler 25 418 12-S Throttle Position Sensor is a genuine OEM replacement electronic component designed for compatible Kohler Command PRO EFI gasoline engines. Also known as a TPS sensor, this component monitors throttle position and sends signals to the engine control module to help regulate fuel delivery and engine performance. Designed for select Kohler ECH, ECV, PCH, and PCV engine configurations, the 25 418 12-S helps maintain accurate throttle monitoring and responsive engine operation. It provides a replacement for worn, damaged, or malfunctioning throttle position sensors during engine maintenance and repairs.

Product Specifications

• Part Number: 25 418 12-S

• Brand: Kohler / Rehlko

• Product Type: Throttle Position Sensor (TPS)

• Component Type: Engine Electronic Throttle Monitoring Sensor

• Part Classification: Genuine OEM Replacement Part

• Engine System: Electronic Fuel Injection (EFI)

• Function: Monitors Throttle Position

• Signal Application: Engine Control Module (ECM)

• Mounting Location: Engine Throttle Body Assembly

• Compatible Engine Series: Select Kohler Command PRO EFI Engines

• Selected Engine Models: ECH630, ECH740, ECH980, ECV749 & ECV850

• Additional Engine Models: PCH740, PCV740, PCV850 & PCV860

• Related TPS Magnet Assembly: 25 152 08-S

• Related TPS O-Ring: 25 153 17-S

• Related Retaining Clip: 25 154 31-S

• UPC: 885612337306

• Application: EFI Engine Throttle Monitoring & Maintenance

• Quantity: 1 Throttle Position Sensor

• Condition: New

Features & Benefits

• Genuine Kohler 25 418 12-S replacement throttle position sensor

• Designed for compatible Kohler EFI-equipped engines

• Monitors throttle position for electronic engine management

• Sends throttle position information to the engine control module

• Supports proper fuel delivery and engine responsiveness

• Helps maintain consistent throttle monitoring during operation

• OEM replacement design supports proper fit in specified engines

• Suitable for replacing damaged or malfunctioning throttle position sensors

Applications

• Select Kohler Command PRO ECH630 EFI engines

• Compatible Kohler Command PRO ECH740 engines

• Select Kohler ECH980 engine configurations

• Compatible Kohler ECV749 and ECV850 engines

• Select Kohler PCH740 and PCV740 engines

• Compatible Kohler PCV850 and PCV860 configurations

• EFI engine throttle position monitoring

• Commercial lawn mower engine maintenance

• Outdoor power equipment EFI system repairs

• Equipment specifying Kohler 25 418 12-S throttle position sensors

Important Information

• Verify Kohler part number 25 418 12-S before ordering.

• This listing includes one replacement throttle position sensor, not a complete throttle body assembly.

• Designed for select Kohler electronically fuel-injected engines.

• Confirm compatibility using your engine model, specification number, and illustrated parts diagram.

• Not every Kohler Command PRO or EFI engine uses the same throttle position sensor.

• Related components include TPS magnet 25 152 08-S, O-ring 25 153 17-S, and retaining clip 25 154 31-S.

• Related components are not guaranteed to be included with the sensor.

• Inspect the throttle body, electrical connections, wiring harness, and mounting components before installation.

• A malfunctioning throttle position sensor may contribute to poor throttle response or inconsistent engine operation.

• Diagnose the EFI system before replacing electrical sensors.

• Shut off the engine, allow it to cool, and disconnect the battery according to the manufacturer's instructions before servicing.

• Follow Kohler's recommended installation, diagnostic, and calibration procedures.