Fuel Cap – Briggs & Stratton – 397974

Here’s the rundown on the Briggs & Stratton Fuel Cap – Part No. 397974, It’s a reliable replacement for a wide range of small engines, especially in lawnmowers and garden equipment.

🔧 Product Details

• OEM Part Numbers: 397974, 397974S, 493017, 692046
• Fits: Briggs & Stratton Max Series, Quantum, and Europa engines (3.5–6 HP vertical shaft)
• Closure Type: Twist-on
• Material: Durable plastic
• Diameter: 1-3/4″ (approx. 44mm