Denso 671-4044 Direct Ignition Coil Boot Kit

Denso Ignition Coil Boot Kit for OE-Style Fit

Denso 671-4044 is a direct ignition coil boot kit built to match factory form, fit, color, and performance. It uses silicone boot material and a black finish for a clean OE-style replacement on select GM vehicles.

The Denso First Time Fit COP boot line is made to meet or exceed OE/OES standards, giving technicians a precise replacement option for ignition service on Chevrolet Cavalier, Pontiac Sunfire, Oldsmobile Alero, and related applications. If you are replacing worn coil boots on a 1995-2002 Chevrolet Cavalier or a 1988-2001 Pontiac Grand Am, this part number 671-4044 follows the original design closely.

Key Features

• Direct ignition coil boot kit for coil-on-plug service
• Silicone boot material for heat resistance and electrical insulation
• Black boot color for OE-style appearance
• Single terminal design with male/female terminal gender
• Built to match factory-installed boot form and fit
• Paraphrased OE/OES-level construction standards from Denso

Detailed Product Information

Denso 671-4044 is part of the First Time Fit COP boot set line, which focuses on accurate replacement dimensions and consistent performance. The 062.00 length and silicone construction support a secure fit at the ignition coil connection point, helping maintain proper spark delivery in the ignition system. This part is a practical choice for drivers and repair shops servicing GM compact and midsize cars that use this boot style.

This part cross-references NGK CPB-GM003 and Bosch 02502 for the same application.

Common Issues This Part Can Address

• Cracked or heat-damaged ignition coil boots
• Misfire conditions caused by worn boot insulation
• Moisture intrusion at the coil-to-spark path
• Hard starting related to weak ignition transfer
• Intermittent ignition performance on aging GM ignition systems

Installation Notes and Tips

• Verify vehicle application before installation using the year, make, and model listing.
• Inspect the ignition coil and spark plug well for oil, carbon tracking, or corrosion before fitting the new boot.
• Clean the mating surfaces so the boot seats fully and maintains a stable connection.
• Confirm the terminal orientation matches the original part before reassembly.

Quality Assurance

Denso states that the First Time Fit COP boot sets are engineered to match factory-installed boots in form, fit, color, and performance, with construction that meets or exceeds OE/OES standards. Compatible With 1995-2002 Chevrolet Cavalier, 1995-2002 Pontiac Sunfire, 1999-2001 Oldsmobile Alero, 1988-2001 Pontiac Grand Am, and other listed GM applications.