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Description
16173-001-004 – Honda O-Ring / Gasket (Genuine Honda OEM Part)
The Honda 16173-001-004 O-Ring is a genuine OEM sealing component designed to provide a reliable, leak-free seal in the fuel system of compatible Honda motorcycles, ATVs, and small engines. Built to Honda’s strict original equipment standards, this O-Ring helps ensure proper sealing of the fuel strainer cup or carburetor fuel bowl, preventing fuel leakage and maintaining stable performance.
Product Details
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Manufacturer Part Number: 16173-001-004
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Brand: Honda
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Part Type: O-Ring / Fuel Bowl Gasket
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System: Fuel Strainer / Fuel Bowl Seal
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OEM Status: Genuine Honda OEM Replacement
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Condition: New OEM Part
Function
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Creates a tight seal in the fuel strainer cup or carburetor fuel bowl
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Helps prevent fuel leaks and loss of pressure
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Maintains correct fuel delivery and system integrity
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Durable rubber construction for long service life
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Designed for exact OEM fit and performance
Compatible With
The Honda 16173-001-004 O-Ring fits a wide range of Honda applications — including motorcycles, ATVs, and small engines — where it seals the fuel strainer or carburetor bowl. Common compatibility includes:
Confirmed Motorcycle & ATV Fits
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Honda TRX300X (2009)
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Honda NSR50 (2004)
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Honda ZB50 (1984)
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Honda NX125 (1988)
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Honda XR100 / XR100R (1983)
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Honda XR200 (1983)
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Honda XR80 / XR80R (1976)
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Honda TL125 (1976)
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Honda XR75 (1976)
(This part also appears in a broad range of additional Honda small engine and power equipment applications — including generators, lawn/ garden engines, and more — where it seals fuel strainer or carburetor bowls. Always verify fitment with exact model year and engine/vehicle serial number.)
How It’s Used
This O-Ring installs in the fuel system’s strainer cup or carburetor bowl to ensure a proper seal between the bowl and its housing. When installed correctly, it prevents fuel seepage, helps maintain consistent pressure, and supports smooth engine operation.
Refer to your Honda service or parts manual for exact O-Ring location, installation procedures, and fuel system diagrams.
Suggested Maintenance
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Inspect during routine fuel system or carburetor service
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Replace if the original O-Ring becomes cracked, hardened, or deformed
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Use genuine Honda OEM replacement parts for best seal and longevity
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Avoid over-tightening bowl bolts — ensure proper seating without distortion
