Denso 671-6301 Direct Ignition Coil Boot Kit

Denso 671-6301 Ignition Coil Boot Kit

Denso 671-6301 is a Direct Ignition Coil Boot Kit built for OE-style ignition service on select GM and Saab applications. The Denso First Time Fit COP boot sets are made to match factory-installed boots in form, fit, color, and performance, with silicone construction and black boot color for a clean, OE-like replacement.

Key Features

• Direct Ignition Coil Boot Kit for coil-on-plug ignition service
• Silicone boot material for consistent electrical insulation and heat resistance
• Black boot color for OE-style appearance
• Male/Female terminal design with 1 terminal
• Built to meet or exceed OE/OES standards
• Length: 055.50

Product Details

This Denso ignition coil boot kit is part of the First Time Fit COP boot set line, which focuses on factory-style replacement parts for ignition systems. For drivers searching for a Denso 671-6301 ignition coil boot kit for a 2005-2009 Cadillac CTS, 2006-2009 Saab 9-3, or 2009 Chevrolet Traverse, this part is listed for direct-fit applications that call for 6 Boots. It is also cataloged for vehicles such as the 2009 Buick Enclave, 2009 GMC Acadia, 2009 Saturn Outlook, and select Cadillac SRX and STS models.

The Denso 671-6301 part number is associated with OE-style fitment and construction, making it a practical replacement when the original coil boot shows wear, cracking, or contamination. The First Time Fit product line is engineered to mirror factory dimensions and performance characteristics, helping maintain proper ignition transfer at the coil-to-spark-plug connection.

Common Issues This Part Can Address

• Cracked or hardened ignition coil boots
• Misfire caused by worn boot insulation
• Moisture intrusion at the coil-to-plug connection
• Carbon tracking on the boot surface
• Poor ignition transfer from aged boot material

Installation Notes

Verify engine and ignition system application before installation, since fitment varies by year, make, and model. Inspect the coil, spark plug, and surrounding ignition components for wear or contamination before installing the new boot set. Clean mating surfaces and confirm the boot seats fully on the coil and spark plug connection points.

Compatible With 2009 Buick Enclave; 2005-2009 Cadillac CTS; 2009 Cadillac SRX; 2004-2006 Cadillac SRX; 2005-2009 Cadillac STS; 2009 Chevrolet Traverse; 2009 GMC Acadia; 2006-2009 Saab 9-3; 2009 Saturn Outlook; 2005-2008 Buick Allure; 2005-2008 Buick LaCrosse; 2004-2006 Buick Rendezvous.

Quality Assurance

Denso states that First Time Fit COP boot sets are built to OE/OES standards and are matched to factory-installed boots in form, fit, color, and performance. That OE-focused construction supports consistent replacement quality for ignition service.