Denso 3483 Spark Plug

Denso Iridium Long Life Spark Plug 3483

Denso 3483 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 needle ground design to support stable ignition performance in a wide range of Honda, Acura, Hyundai, and Kia applications.

The Iridium Long Life (SIP) line is Denso’s long-service spark plug family for drivers who want consistent ignition quality and factory-style fitment. This plug is engineered around a 12.00 mm thread diameter, 28.50 mm reach, flat seat, 16.0 mm hex, and 1.1 mm pre-gap for the specified applications.

Key Features

• Part number 3483 from Denso’s Iridium Long Life (SIP) line
• Iridium center electrode tip for precise spark delivery
• Platinum needle ground electrode tip design
• Copper core construction in both center and ground electrodes
• 5000 ohm resistance for OE-style ignition system compatibility
• Flat seat, 12.00 mm thread diameter, 28.50 mm reach, and 16.0 mm hex
• Pre-gapped at 1.1 mm for listed applications

Detailed Description

Denso 3483 is a secondary ignition spark plug designed to meet strict OE performance, durability, and emissions standards. The iridium center electrode helps maintain a consistent spark, while the platinum needle ground configuration supports long-life operation in modern engines. This makes it a practical choice for drivers servicing Honda Odyssey, Honda Pilot, Honda Ridgeline, Acura MDX, Acura TLX, and other listed vehicles that call for this plug specification.

Fits 2023 Acura MDX, N/A. Fits 2022-2023 Honda Odyssey, N/A. Fits 2022-2023 Honda Passport, N/A. Fits 2022-2023 Honda Ridgeline, N/A. Fits 2022 Honda MDX, N/A. Fits 2018-2022 Honda HR-V, N/A. Fits 2022 Honda Pilot, N/A. Fits 2017-2021 Honda Odyssey, N/A. Fits 2019-2021 Honda Passport, N/A. Fits 2018-2021 Honda Pilot, N/A. Fits 2018-2021 Honda Ridgeline, N/A. Fits 2017-2020 Acura MDX, N/A. Fits 2017-2020 Acura RLX, N/A. Fits 2018-2020 Acura TLX, N/A. Fits 2015-2017 Acura TLX, N/A. Fits 2016-2017 Honda HR-V, N/A. Fits 2012-2017 Honda Pilot, N/A. Fits 2017 Honda Ridgeline, N/A. Fits 2015-2016 Acura MDX, N/A. Fits 2014-2016 Acura RLX, N/A. Fits 2011-2016 Honda Odyssey, N/A. Fits 2012-2016 Hyundai Equus, N/A. Fits 2012-2016 Hyundai Genesis, N/A. Fits 2015-2016 Kia K900, N/A. Fits 2013-2015 Acura ILX, N/A. Fits 2012-2015 Honda Civic, N/A. Fits 2012-2014 Acura TL, N/A. Fits 2013 Hyundai Genesis Coupe, N/A. Fits 2008-2012 Honda Accord, N/A.

This part cross-references DENSO Auto Parts DXU22HCR-D11S for the same application.

What It Helps Address

• Hard starting caused by worn spark plug electrodes
• Rough idle from inconsistent ignition output
• Misfire conditions related to aged secondary ignition parts
• Reduced throttle response from degraded spark performance
• Service intervals where OE-style replacement plugs are required

Installation Notes and Tips

Verify the engine application, thread diameter, reach, seat type, and heat range before installation. Confirm the plug gap matches the vehicle specification if the application requires a final check before use. Use proper torque procedures for flat-seat spark plugs and inspect ignition coils, boots, and wiring during service to avoid repeat misfire concerns.

Quality Assurance

Denso manufactures this spark plug to OE performance, durability, and emissions standards. The Iridium Long Life (SIP) design is intended for factory-style service life and consistent ignition performance in the listed Honda, Acura, Hyundai, and Kia applications.