Denso 671-4280 Direct Ignition Coil Boot Kit

Denso Direct Ignition Coil Boot Kit

Denso 671-4280 is a direct ignition coil boot kit built to match factory-installed boot form, fit, color, and performance. It uses silicone boot material and a black finish for a clean OE-style replacement on select Mitsubishi Lancer applications.

For buyers searching for a Mitsubishi Lancer ignition coil boot kit, Denso First Time Fit parts are made to meet or exceed OE/OES standards in construction and performance. The 671-4280 part number is also a common reference when replacing worn ignition coil boots on 2003-2006 Mitsubishi Lancer models.

Key Features

• Direct ignition coil boot kit for ignition service
• OE-style fit and appearance for factory-matched replacement
• Silicone boot material for heat-resistant electrical insulation
• Black boot color
• Single-terminal design with male/female terminal gender
• Length: 104.10
• Denso First Time Fit product line for OE-style replacement needs

Product Details

Denso 671-4280 is engineered as a direct ignition coil boot kit for ignition system repair where the original boot has aged, cracked, or lost its sealing performance. The First Time Fit line focuses on matching the original part’s form and function, making it a practical choice for Mitsubishi Lancer ignition service. If you are comparing ignition coil boot kit options for a 2003-2006 Mitsubishi Lancer, this part is built to align with factory-installed specifications.

This part cross-references CARQUEST 35-4422 and NAPA Mileage Plus 6714280 for the same application.

What It Helps Address

• Misfires caused by deteriorated ignition coil boots
• Cracking or hardening from heat exposure
• Moisture intrusion at the coil-to-plug connection
• Weak electrical insulation in the ignition path
• Rough running related to worn boot sealing surfaces

Installation Notes

Fits 2006 Mitsubishi Lancer, N/A, with notes that the application also requires an ignition wire set and is for vehicles built to 8/2005. Fits 2003-2005 Mitsubishi Lancer, N/A, and ignition wire set is necessary for proper installation of the direct ignition coil boot kit. Verify engine and ignition configuration before ordering, and confirm the boot length and terminal style match the original part.

Quality Assurance

Denso First Time Fit COP boot sets are built to meet or exceed OE/OES standards and are intended to match factory-installed boots in form, fit, color, and performance. For Mitsubishi Lancer ignition repair, Denso 671-4280 provides an OE-style replacement backed by Denso’s manufacturing standards.