Dorman 49812 Coil Boot

Overview of Dorman Coil Boot 49812

The Dorman Coil Boot 49812 is a durable ignition component designed to ensure reliable spark plug connection in select Ford, Lincoln, and Mercury vehicles. Made from high-quality rubber, this coil boot provides a secure push-on attachment for optimal ignition performance.

• Constructed from resilient black rubber material
• Push-on attachment type for easy installation
• Length of 3.75 inches with a thickness of 0.094 inches
• Maximum diameter of 0.375 inches and minimum diameter of 0.22 inches
• Includes one spark plug boot per package

Detailed Product Description

The Dorman Coil Boot 49812 is engineered to maintain a consistent electrical connection between the ignition coil and spark plug. Its rubber construction offers resistance to heat, oil, and other engine contaminants, which helps prevent misfires and ignition issues. The push-on attachment type simplifies installation and ensures a snug fit, reducing the risk of disconnection during engine operation. With precise dimensions including a length of 3.75 inches and a thickness of 0.094 inches, this coil boot is designed to fit specific ignition systems in various Ford, Lincoln, and Mercury models.

Compatible Vehicles and Applications

This coil boot is compatible with a range of Ford, Lincoln, and Mercury vehicles, including but not limited to:

• Ford F-150, F-250 Super Duty, F-350 Super Duty
• Ford Explorer, Expedition, Mustang
• Lincoln Navigator, Town Car, Markaruder
• Mercury Mountaineer, Grand Marquis, Blackwood
• Ford Econoline series including E-150, E-250, E-350 and their Club Wagon and Super Duty variants

Common Issues Addressed by Dorman Coil Boot 49812

• Ignition misfires caused by faulty or worn coil boots
• Intermittent engine performance problems due to poor spark plug connection
• Electrical arcing and spark loss in ignition system
• Engine hesitation or rough idling linked to ignition coil boot failure
• Corrosion or damage from exposure to heat and engine fluids

Installation Notes and Tips

• Ensure the ignition system is cool before installation to avoid burns
• Remove the old coil boot carefully to prevent damage to the ignition coil or spark plug
• Verify the push-on fit is secure and free of debris for optimal electrical contact
• Inspect surrounding ignition components for wear or damage during replacement
• Consult vehicle-specific service manuals for torque specifications and procedures

Quality Assurance and Warranty

Dorman manufactures the Coil Boot 49812 to meet or exceed OEM specifications for fit and function. The rubber material is selected for durability and resistance to common engine contaminants. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship to provide confidence in product reliability.