The Briggs & Stratton Diaphragm (270989, 691871) is a high-quality OEM-style replacement part designed to keep your small engine’s carburetor operating smoothly. This diaphragm ensures proper fuel flow between the tank and carburetor, maintaining engine performance and reliability.

Built from durable, fuel-resistant materials, it restores efficiency and helps prevent common issues such as stalling, surging, or difficulty starting.

Specifications & Features:

• Part Type: Diaphragm

• OEM Part Numbers: 270989, 691871

• Brand Compatibility: Briggs & Stratton small engines

• Construction: Fuel-resistant material for long service life

• Function: Maintains consistent fuel delivery for carburetor operation

• Benefits:

  • Ensures smooth fuel transfer

  • Helps prevent engine stalling or surging

  • Direct OEM replacement for quick installation

  • Reliable performance in outdoor power equipment

Applications:

• Briggs & Stratton lawn mowers

• Pressure washers

• Tillers and garden equipment

• Utility engines

Replaces

• BRIGGS & STRATTON: 270989, 691871