Tillotson 237-143 Fuel Pump Diaphragm for HS Series Carburetors

The Tillotson 237-143 is an OEM fuel pump diaphragm designed specifically for Tillotson HS Series carburetors. This critical carburetor component works within the self-contained fuel pump system to regulate fuel flow and maintain proper carburetor operation in small engines.

Key Features:

• OEM Tillotson replacement part ensures exact fit and reliable performance
• Compatible with Tillotson HS Model carburetors used in chainsaws, trimmers, and other small engine equipment
• Constructed from durable fiberglass material with 0.08mm thickness for long-lasting service
• Essential component that responds to engine pressure changes to pump fuel through the carburetor system
• Direct replacement for worn or damaged fuel pump diaphragms

This diaphragm is a key component in the fuel pump assembly, working in conjunction with the fuel pump gasket and cover. When the diaphragm becomes worn, ruptured, or damaged, it can cause fuel delivery issues, difficulty starting, or poor engine performance. Regular inspection and replacement of this component ensures optimal carburetor function and reliable engine operation.