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Tillotson HS Fuel Pump Diaphragm Gasket
16B-226 Tillotson Diaphragm Gasket (HS)
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Tillotson HS Fuel Pump Diaphragm Gasket

Part Number: 16B-226
Online Price: $0.89
16B-226 OE Tillotson Fuel Pump Diaphragm Gasket for HS Carburetors
Availability: In Stock.

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Description

16B-226 OE Tillotson Fuel Pump Diaphragm Gasket – HS Series


The 16B-226 Fuel Pump Diaphragm Gasket is a genuine OEM Tillotson part designed for use with most original HS-series carburetors. It sits between the fuel pump body and diaphragm, providing a proper seal to maintain consistent fuel delivery and optimal engine performance. This gasket is made from a high-quality, fuel-resistant material designed to withstand the demands of methanol or gasoline fuels in small engines, and handheld equipment.


Important Fitment Note: Tillotson has recently reused the HS model name for a newer line of carburetors. If you're unsure which version you have, check your carburetor’s parts diagram or consult your manufacturer to confirm compatibility.


Key Features:

  • OEM Tillotson 16B-226 fuel pump gasket
  • Provides a tight, leak-proof seal for the fuel pump diaphragm
  • Designed for most original HS carburetors
  • Compatible with gasoline and methanol fuels
  • Critical component in carburetor rebuilds or tuning


Fitment:

  • Fits most legacy Tillotson HS-series carburetors
  • Common in small 2-cycle engines, kart engines, and handheld tools
  • Not guaranteed to fit newer HS models — check your parts listing before purchase


Installation Tips:

  • Install below the fuel pump diaphragm for proper operation
  • Ensure clean surfaces to avoid leaks or performance loss
  • Replace anytime the diaphragm is changed or during a carb rebuild
  • Recommended to replace every 3–5 races or service intervals


Part Number:

  • Tillotson OEM #: 16B-226

FAQ

Q1: What does the 16B-226 gasket do?

A: The 16B-226 is a fuel pump diaphragm gasket that creates a sealed chamber between the fuel pump body and diaphragm, allowing for proper fuel flow and pressure regulation.


Q2: Does this gasket fit all Tillotson HS carburetors?

A: It fits most original HS-series models, but not all. Tillotson has reused the HS designation for newer carburetors. Always check your parts list to confirm fitment.


Q3: Where does this gasket install in the carburetor?

A: The gasket is installed underneath the fuel pump diaphragm, directly on the fuel pump plate. Installing it incorrectly can lead to performance and fuel delivery issues.

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