Denso 3246 Spark Plug

Denso Double Platinum Spark Plug 3246

Denso Double Platinum spark plug 3246 is built for OE-style ignition performance, durability, and emissions control. It uses platinum on the center electrode and a platinum chip ground tip to support consistent spark delivery in a wide range of import and domestic applications, including Honda Accord, Honda Civic, and Dodge Journey fitments.

Key Features

• Double Platinum design with platinum center electrode tip and platinum chip ground tip
• 5000 ohm resistor for ignition noise suppression
• Copper core center electrode and nickel ground electrode core for stable heat transfer
• Pre-gapped to 1.1 mm for direct installation on listed applications
• Flat seat, 14.0 mm thread diameter, 19.0 mm reach, and 16.0 mm hex size
• Manufactured to meet strict OE performance, durability, and emissions standards

Product Details

The Denso Double Platinum line is engineered for drivers who want an OE-style spark plug with durable electrode materials and consistent ignition performance. Part number 3246 uses a platinum center electrode tip and platinum chip ground design to help maintain spark quality over time, while the copper core and nickel ground core support heat management under normal engine operating conditions. This spark plug is a direct-fit choice for many vehicles, including 1990-2002 Honda Accord, 1992-2000 Honda Civic, 2003-2008 Honda Pilot, and 2017-2020 Dodge Journey applications. This part cross-references DENSO Auto Parts PKJ16CR-L11 for the same application.

Common Issues This Spark Plug Can Address

• Rough idle caused by worn or fouled spark plugs
• Hard starting from weak or inconsistent ignition output
• Misfire codes related to degraded plug electrodes
• Reduced fuel economy from incomplete combustion
• Loss of throttle response from aged secondary ignition components

Installation Notes and Fitment Tips

Verify the thread diameter, reach, seat type, and heat range before installation. This plug is listed with a 14.0 mm thread diameter, 19.0 mm reach, flat seat, 16 heat range, and 1.1 mm pre-gap. Compatible With 1990-2002 Honda Accord, 1992-2000 Honda Civic, 1997-1999 Honda CR-V, 2003-2008 Honda Pilot, 2006-2008 Honda Ridgeline, 2009-2016 Dodge Journey, and other listed applications. For best results, inspect ignition coils, wires, and boots during service and follow the vehicle manufacturer’s torque specification.

Quality Assurance

Denso manufactures this spark plug to strict OE performance, durability, and emissions standards. The Double Platinum construction is designed to deliver consistent service life and dependable ignition performance across the listed fitments, including Honda, Jeep, Dodge, Chrysler, and Mazda applications.