Briggs & Stratton 66538S Spark Plug Boot for Small Engines

The Briggs & Stratton 66538S is a genuine OEM spark plug boot designed to maintain the integrity of your small engine's ignition system. This essential rubber component creates a secure, insulated connection between the spark plug wire and the spark plug terminal, protecting against moisture, debris, and electrical shorts that can cause misfires and starting issues.

Key Features:

• Genuine Briggs & Stratton OEM replacement part ensures perfect fit and compatibility
• Insulated rubber construction prevents electrical shorts and moisture damage
• Designed for 7mm spark plug wires commonly used in small engines
• Fits most 090000 and 091000 series Briggs & Stratton engines
• Durable material resists wear and environmental damage
• Easy to install with no special tools required

This spark plug boot is commonly used on lawn mowers, garden equipment, and other outdoor power equipment powered by Briggs & Stratton engines. Regular replacement of worn spark plug boots helps ensure reliable starts, smooth operation, and optimal engine performance. Sold individually.