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Description
25 331 01-S Fuel Injector Kohler – Genuine OEM Replacement Part
The Kohler 25 331 01-S Fuel Injector is a genuine OEM replacement fuel delivery component designed for select Kohler fuel-injected small engines. This injector is responsible for delivering the precise amount of fuel into the combustion chamber, ensuring efficient combustion, smooth engine performance, and reliable starting.
Fuel injectors are critical to electronic fuel injection (EFI) systems and are commonly replaced when engines experience poor performance, misfires, or fuel delivery problems. Manufactured to Kohler factory specifications, this OEM injector ensures correct fit, durability, and dependable operation in outdoor power equipment applications.
Product Details
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Manufacturer Part Number: 25 331 01-S
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Brand: Kohler
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Part Type: Fuel Injector
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Application: EFI Fuel Delivery / Engine Combustion System
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OEM Status: Genuine Kohler OEM Replacement Part
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Condition: New
Function
The Kohler 25 331 01-S Fuel Injector is designed to:
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Deliver precise fuel spray into the engine cylinder
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Maintain efficient combustion and throttle response
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Support smooth starting and consistent power output
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Replace clogged, leaking, or malfunctioning injectors
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Restore proper EFI system performance
Compatibility
This OEM fuel injector fits select Kohler EFI-equipped 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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Kohler engines with electronic fuel injection systems
⚠️ Always verify your engine model and specification number before ordering to ensure correct fitment.
Installation / Usage
The fuel injector installs as part of the engine’s EFI system. Replacement is recommended if experiencing:
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Engine misfires or rough running
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Poor throttle response or power loss
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Hard starting or no-start condition
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Fuel injector clogging or leakage
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EFI system fuel delivery faults
For best results:
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Use clean, fresh fuel to prevent injector contamination
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Replace fuel filters regularly
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Follow Kohler service manual installation procedures
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Use only genuine Kohler OEM EFI components
Maintenance Tips
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Keep fuel system clean to extend injector life
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Replace fuel filters at recommended intervals
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Use fuel stabilizer during storage periods
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Inspect EFI components during major servicing
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OEM injectors ensure proper spray pattern and performance
