Fuel Cap - Briggs & Stratton - 397974

This high-quality replacement fuel cap, SKU B1BR74, is designed for Briggs & Stratton engines and is a direct alternative to OEM part 397974. With a diameter of 1-3/4 inches, it provides a secure, airtight seal to prevent fuel leaks and contamination. Durable construction ensures long-lasting performance for your lawn mower or outdoor power equipment, making it a reliable choice for maintenance and repairs.

• Precision-engineered to match OEM specifications for a perfect fit and reliable seal.
• Constructed from durable materials to resist cracking and wear from fuel exposure.
• Easy to install—simply replace your old cap without special tools.

• Briggs & Stratton lawn mowers and engines using fuel cap 397974
• John Deere equipment requiring cap LG397974
• Compatible with many small engines from other brands (see OEM list)

Fuel System Components – Replacement fuel caps for outdoor power equipment, ensuring proper sealing and safe operation.