Denso 3461 Spark Plug

Denso Iridium Long Life Spark Plug 3461

Denso 3461 is an Iridium Long Life spark plug built for OE-level performance, durability, and emissions control. It uses an iridium center electrode with a platinum chip ground tip to support consistent ignition performance across a wide range of Chrysler, Dodge, Jeep, Hyundai, Kia, Honda, Ram, Volkswagen, Acura, Porsche, and Genesis applications.

Key Features

• Iridium center electrode tip material for stable spark performance
• Platinum chip ground electrode tip design for extended service life
• 5000 ohm resistor for ignition noise suppression
• 1.1 mm pre-gap size for OE-style setup
• Copper center electrode core with nickel ground electrode core
• Flat seat design, 12.00 mm thread diameter, 16.0 mm hex size
• Manufactured to meet strict OE performance, durability, and emissions standards

Product Details

The Denso Iridium Long Life line is engineered for drivers who want an OE-replacement spark plug with long-service construction and consistent ignition characteristics. Part number 3461 is built with a patented iridium alloy center electrode and a platinum ground strap design to help maintain reliable combustion performance in modern engines. This spark plug is a direct-fit choice for many late-model vehicles, including Chrysler 300, Dodge Charger, Jeep Wrangler, Hyundai Palisade, Kia Telluride, and Ram ProMaster 2500 applications.

This part cross-references DENSO Auto Parts SXU22HCR11S for the same application.

What It Helps Address

• Rough idle caused by worn spark plugs
• Hard starting from weak ignition output
• Misfire conditions related to plug wear
• Reduced fuel economy from inconsistent combustion
• Loss of throttle response in high-mileage ignition systems

Installation Notes and Tips

Verify engine-specific fitment before installation, since this spark plug is listed across multiple makes, models, and model years. Confirm the 12.00 mm thread diameter, 26.50 mm reach, flat seat, and 1.1 mm pre-gap against the vehicle’s OE specification. Use proper spark plug service procedures and torque to the manufacturer’s specification for the engine.

Compatible With 2023 Chrysler 300, 2017-2021 Chrysler 300, 2023 Chrysler Grand Caravan, 2023 Chrysler Pacifica, 2023 Chrysler Voyager, 2017-2023 Dodge Challenger, 2017-2023 Dodge Charger, 2023 Dodge Durango, 2023 Hyundai Palisade, 2023 Hyundai Venue, 2023 Jeep Grand Cherokee, 2023 Jeep Grand Cherokee L, 2023 Jeep Wrangler, 2023 Kia Telluride, 2023 Ram ProMaster 1500, 2023 Ram ProMaster 2500, and 2023 Ram ProMaster 3500. Additional coverage includes many 2006-2023 Chrysler, Dodge, Jeep, Hyundai, Kia, Honda, Ram, Volkswagen, Acura, Porsche, and Genesis applications.

Quality Assurance

Denso manufactures this spark plug to strict OE performance, durability, and emissions standards. The Iridium Long Life design reflects Denso’s focus on OE-style ignition components for factory-level fit and function.