Denso 671-6312 Direct Ignition Coil Boot Kit

Denso Ignition Coil Boot Kit for GT-R

Denso 671-6312 is a direct ignition coil boot kit built for the 2009-2015 Nissan GT-R. It is made to match factory-installed boot form, fit, color, and performance for a clean OE-style replacement.

With silicone boot material, a black finish, and a male-female terminal design, this Denso First Time Fit COP boot set supports reliable coil-to-spark plug connection in the ignition system. The 109.60 length specification helps maintain the original fitment profile for the application.

Key Features

• Direct ignition coil boot kit for the Nissan GT-R
• OE-style form, fit, color, and performance
• Silicone boot material for ignition service applications
• Black boot color for factory-style appearance
• Male-female terminal design
• Length: 109.60
• Part number: 671-6312

Product Details

Denso First Time Fit COP boot sets are engineered to match the original equipment boot configuration used on the vehicle. For 2009-2015 Nissan GT-R ignition service, this boot kit helps restore the connection between the coil and spark plug while maintaining the original design intent of the ignition system. The Denso 671-6312 part number is the reference to verify the correct application for your vehicle.

This part cross-references no listed aftermarket part numbers for the same application.

Common Issues This Part Addresses

• Cracked or heat-damaged ignition coil boots
• Loss of spark transfer at the coil-to-plug connection
• Misfire concerns related to worn boot insulation
• Oil or moisture intrusion at the ignition boot area
• Factory boot fitment that no longer seals or seats correctly

Installation Notes

Confirm the vehicle is a 2009-2015 Nissan GT-R before ordering. Inspect the ignition coil, spark plug well, and surrounding components for wear or contamination during service. Verify terminal style and boot length against the original part before installation. Use standard ignition service procedures and follow the vehicle manufacturer’s specifications.

Quality Assurance

Denso First Time Fit components are built to meet or exceed OE/OES standards for construction and application accuracy. The 671-6312 boot kit is produced to match factory-installed boot characteristics for dependable service on the Nissan GT-R ignition system.