Description
12 153 01-S – Kohler O-Ring (Lower Oil Fill Tube) (Genuine OEM Part)
The Kohler 12 153 01-S is a genuine OEM O-ring designed to seal the lower oil fill tube on compatible Kohler small engines and outdoor power equipment. This precision-molded O-ring helps prevent oil leaks at the oil fill tube connection, ensuring proper lubrication system sealing and dependable engine performance.
Manufactured to Kohler’s original equipment specifications, this O-ring is made from durable, oil-resistant elastomer material that withstands heat, pressure, and chemical exposure within the crankcase. Using a genuine Kohler O-ring ensures proper fit, long-lasting sealing performance, and OEM reliability.
Product Details
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Manufacturer Part Number: 12 153 01-S
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Brand: Kohler
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Part Type: O-Ring Seal
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Application: Lower oil fill tube sealing
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Material: Oil-resistant elastomer
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OEM Status: Genuine Kohler OEM replacement
Function
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Seals the lower oil fill tube to the engine block
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Prevents engine oil leakage
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Maintains proper crankcase pressure
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Helps protect engine components from oil loss
Compatibility
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Fits select Kohler small engines and OEM applications using the specified lower oil fill tube arrangement
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Always verify part number and engine model before installation
How It’s Used
This O-ring installs around the lower portion of the oil fill tube where it inserts into the engine block or crankcase opening. A proper seal prevents oil seepage and maintains correct lubrication system integrity.
Ensure surfaces are clean and free of debris before installation to achieve an effective seal.
Suggested Maintenance
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Inspect the O-ring whenever the oil fill tube is removed
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Replace if cracked, hardened, or compressed
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Always lubricate the O-ring with clean engine oil before installation
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Use only OEM-specified seals for best fit and performance
The Kohler 12 153 01-S O-Ring is an essential sealing component in the crankcase oil fill system, providing dependable leak-free performance and helping maintain proper engine lubrication.
