Diaphragm for Tecumseh – Replaces 630978, 631069

The Tecumseh Diaphragm (630978, 631069) is a high-quality replacement part designed to restore proper carburetor performance. This diaphragm ensures smooth fuel delivery from the tank to the carburetor, preventing stalling, surging, and hard starts. Built with durable, fuel-resistant materials, it is an essential maintenance component for keeping your Tecumseh engine running at peak efficiency.

Specifications & Features:

• Part Type: Carburetor Diaphragm

• OEM Part Numbers: Replaces Tecumseh 630978, 631069

• Brand Compatibility: Tecumseh small engines

• Material: Fuel- and oil-resistant construction for long life

• Function: Maintains consistent fuel flow to the carburetor

• Benefits:

  • Restores proper carburetor operation

  • Prevents hesitation and surging during operation

  • OEM-style replacement for easy installation

  • Extends the life of your engine by ensuring reliable performance

Applications:

• Tecumseh small engines

• Lawn mowers

• Tillers and outdoor power equipment

• Other equipment using Tecumseh carburetors with these part numbers

Replaces

• TECUMSEH: 630978, 631069