Denso 671-4321 Direct Ignition Coil Boot Kit

Reliable Ignition Coil Boot Kit for Honda CR-Z and Fit

The Denso 671-4321 Direct Ignition Coil Boot Kit is designed to provide a secure and durable connection for your vehicle's ignition system. Engineered specifically for Honda CR-Z and Fit models, this kit ensures consistent performance and reliable ignition.

• Length: 88.64 mm for precise fitment
• Boot Material: High-quality silicone for heat resistance and durability
• Terminal Quantity: 1 terminal per boot
• Terminal Gender: Male and female terminals included for proper connection
• Boot Color: Black for a clean, professional appearance

About the Denso 4 Boots Product Line

The Denso 4 Boots product line focuses on ignition coil boot kits that deliver reliable electrical insulation and protection. Designed with durable silicone boots and precise terminal configurations, the 4 Boots line supports consistent ignition performance and helps maintain engine efficiency. The 671-4321 part is a direct ignition coil boot kit within this line, tailored for specific Honda models to ensure compatibility and ease of installation.

Product Details and Specifications

This ignition coil boot kit features a length of 88.64 mm, providing an exact fit for the ignition coil assembly in Honda CR-Z and Fit vehicles. The silicone boot material offers excellent resistance to heat, oil, and environmental factors, helping to prevent misfires and electrical shorts. The kit includes one terminal per boot with both male and female terminal genders, ensuring a secure and proper electrical connection. The black boot color maintains a professional look under the hood.

Common Applications and Problem Solving

• Restores proper ignition coil connection in Honda CR-Z and Fit models
• Prevents ignition misfires caused by worn or damaged boots
• Eliminates electrical shorts due to cracked or brittle boot material
• Improves engine starting reliability and performance
• Replaces deteriorated or corroded ignition coil boots

Installation Notes and Tips

When installing the Denso 671-4321 ignition coil boot kit, ensure the ignition system is cool to avoid burns. Carefully remove the old boots without damaging the ignition coil or wiring. Confirm the terminal genders match the vehicle’s connectors for a secure fit. Apply dielectric grease to the terminals to enhance conductivity and prevent corrosion. Verify the boots seat fully on the ignition coil and spark plug for optimal performance.

Quality Assurance and Warranty

Denso manufactures the 671-4321 ignition coil boot kit to meet strict quality standards, ensuring durability and reliable performance. The silicone boot material is engineered to withstand high temperatures and harsh engine conditions. While specific warranty details are not provided, Denso products typically come with manufacturer-backed quality assurance to support long-term use in compatible Honda CR-Z and Fit vehicles.