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Briggs 5hp Flathead Fuel Tank Cap
Briggs Raptor Stock Fuel Tap Cap REF#181
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Briggs 5hp Flathead Fuel Tank Cap

Part Number: 394818S
Online Price: $19.99
OEM Briggs & Stratton 394818S Fuel Cap for Model 13 & Flathead Engines
Availability: In Stock.

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Description

Briggs & Stratton 394818S Fuel Tank Cap – OEM for 5HP Flathead Engines


Keep your fuel system sealed and running reliably with the Briggs & Stratton 394818S Fuel Tank Cap, a genuine OEM replacement part designed to fit a wide range of Briggs & Stratton Flathead engines, including the popular Model 13 (5HP Flathead / Raptor) series.


This durable, precision-engineered fuel cap helps prevent fuel evaporation, keeps debris out, and ensures a secure fit for safe operation. Whether you're restoring a kart, lawnmower, or vintage equipment, this cap provides the quality and reliability you expect from Briggs & Stratton.


Key Features:

  • Fits Briggs & Stratton Model 13 (5HP Flathead / Raptor)
  • Compatible with Many Classic Flathead Engines
  • OEM Replacement for Part Numbers:
    394818, 392304, 392300, 391523, 396855, 555085
  • Helps Prevent Fuel Leaks & Contamination
  • High-Quality OEM Construction – Made in the USA
  • Trusted by Racers, Builders & Small Engine Technicians

FAQ

Q1: What engines is this fuel cap compatible with?
A: The 394818S cap fits many Briggs & Stratton Flathead engines, including the popular Model 13 5HP Raptor series. Always verify with your engine model for best fit.


Q2: What part numbers does this replace?
A: This cap replaces 394818, 392304, 392300, 391523, 396855, and 555085.


Q3: Is this a genuine OEM Briggs & Stratton part?
A: Yes, this is a genuine OEM part, made to Briggs & Stratton’s original factory specifications. It is manufactured in the United States.


Q4: Does this cap prevent fuel evaporation or leaks?
A: Absolutely. It forms a secure seal on your fuel tank to prevent leaks, evaporation, and contamination, helping your engine perform reliably.


Q5: Can I use this on a racing go-kart engine?
A: Yes. This cap is commonly used in 5HP Flathead and Raptor engines, which are popular in small engine racing and go-kart applications.

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