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Description
25 050 42-S Fuel Filter Kohler – Genuine OEM Replacement Part
The Kohler 25 050 42-S Fuel Filter is a genuine OEM replacement fuel system component designed for select Kohler small engines. This in-line fuel filter helps protect the engine by removing dirt, debris, and contaminants from the fuel supply before it reaches the carburetor or fuel injection system.
Regular replacement of the fuel filter is essential for maintaining smooth engine operation, preventing fuel flow restrictions, and ensuring reliable performance in outdoor power equipment applications.
Product Details
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Manufacturer Part Number: 25 050 42-S
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Brand: Kohler
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Part Type: Fuel Filter
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Application: Engine Fuel Filtration System
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OEM Status: Genuine Kohler OEM Replacement Part
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Condition: New
Function
The Kohler 25 050 42-S Fuel Filter is designed to:
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Filter contaminants from gasoline before reaching the engine
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Prevent carburetor clogging and fuel delivery issues
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Maintain consistent fuel flow for reliable operation
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Improve engine starting and performance
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Replace worn or restricted fuel filters during maintenance
Compatibility
This OEM fuel filter fits select Kohler small engine models 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
⚠️ Always verify your engine model and specification number before ordering to ensure correct fitment.
Installation / Usage
The fuel filter installs in-line between the fuel tank and the engine fuel system. Replacement is recommended if experiencing:
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Hard starting or rough running
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Loss of power under load
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Fuel flow restriction or hesitation
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Routine engine maintenance intervals
For best results:
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Install with the correct flow direction arrow
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Replace filter regularly as recommended by Kohler
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Use clean, fresh fuel to reduce contamination
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Use only genuine Kohler OEM filtration components
Maintenance Tips
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Replace fuel filters at scheduled service intervals
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Inspect fuel lines for leaks or cracking
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Keep fuel storage clean and use fuel stabilizer when needed
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OEM filters ensure correct fit and reliable filtration
