Denso 671-8157 Direct Ignition Coil Boot Kit

Denso Ignition Coil Boot Kit for Hemi Applications

The Denso 671-8157 Direct Ignition Coil Boot Kit is built for vehicles that use a dual-plug Hemi ignition setup and require an ignition wire set. Denso First Time Fit COP boot sets are made to match the factory-installed boots in form, fit, color, and performance, with construction that meets or exceeds OE/OES standards.

With silicone boot material, a black finish, and OE-style terminal design, this Denso 8 Boots line is focused on restoring reliable coil-to-plug connection quality in Chrysler and Dodge Hemi applications. The 671-8157 is a direct-fit ignition coil boot kit for service work on specific Ram, Durango, Magnum, and Grand Cherokee models.

Key Features

• Direct Ignition Coil Boot Kit for OE-style replacement
• Silicone boot material for heat-resistant ignition service
• Black boot color matches factory-style appearance
• Male/Female terminal design with 1 terminal per boot
• Length: 106.70
• Denso First Time Fit COP boot sets are built to OE/OES standards

Product Details

Denso 671-8157 is part of the 8 Boots product line and is engineered for direct ignition coil boot replacement on dual plug Hemi engines that require an ignition wire set. The boot construction is designed to mirror the original equipment part in fit and performance, helping maintain consistent ignition transfer at the coil and spark plug connection points. This part cross-references NGK CPB-CR004 for the same application.

What This Part Helps Address

• Cracked or heat-aged ignition coil boots
• Misfire concerns tied to worn boot insulation
• Weak coil-to-plug electrical transfer
• Moisture intrusion at the ignition boot connection
• Service replacement needs on Hemi ignition systems

Installation Notes

Verify engine configuration and ignition layout before installation. This part is listed for 2003-2005 Dodge Ram 1500, 2003-2005 Dodge Ram 2500, 2003-2005 Dodge Ram 3500, 2004-2005 Dodge Durango, 2005 Dodge Magnum, and 2005 Jeep Grand Cherokee. Confirm the ignition coil boot style and wire-set requirement against the vehicle’s original setup before service. Fits 2003-2005 Dodge Ram 1500, N/A; Fits 2003-2005 Dodge Ram 2500, N/A; Fits 2003-2005 Dodge Ram 3500, N/A; Fits 2004-2005 Dodge Durango, N/A; Fits 2005 Dodge Magnum, N/A; Fits 2005 Jeep Grand Cherokee, N/A.

Quality Assurance

Denso First Time Fit parts are manufactured to match OE fit and performance targets, with materials and construction that meet or exceed OE/OES standards. For buyers searching for a Denso ignition coil boot kit for Dodge Ram, Durango, Magnum, or Jeep Grand Cherokee Hemi applications, the 671-8157 offers an OE-style service replacement backed by Denso’s factory-fit approach.