Denso 3492 Spark Plug

Denso Iridium Long Life Spark Plug for Honda and Acura

Denso 3492 is an Iridium Long Life (SIP) spark plug built for OE-level performance, durability, and emissions control. It is a direct-fit ignition component for select Honda Civic, Honda CR-V, Honda Accord, Honda HR-V, Acura ILX, and Acura TLX applications.

The Denso Iridium Long Life (SIP) line focuses on stable ignition performance with an iridium center electrode tip, platinum needle ground design, and OE-style dimensions for the listed vehicles. Part number 3492 is engineered for precise fitment in modern Honda and Acura engines that call for this spark plug specification.

• Iridium center electrode tip material for consistent spark delivery
• Platinum needle ground electrode tip design with needle-to-needle configuration
• Copper core construction in both center and ground electrodes
• 5000 ohm resistance for ignition system compatibility
• Pre-gapped at 1.1 mm
• Flat seat design with 12.00 mm thread diameter and 26.50 mm reach
• OE-style replacement for select Honda and Acura engines

Iridium Long Life (SIP) Product Line

Denso’s Iridium Long Life (SIP) spark plug line is built for applications that require long-service ignition performance and OE-matched specifications. For Honda Civic, Honda CR-V, and Honda Accord engines, this design supports reliable combustion characteristics while maintaining the factory-style fit and heat range called for by the vehicle application.

This part cross-references DENSO Auto Parts DXE22HQR-D11S and Honda 12290-5A2-A01 for the same application. Denso 3492 is also referenced by Honda 12290-5A2-A02 and 12290-RDF-A01.

Detailed Description

Denso 3492 uses an iridium center electrode tip paired with a platinum needle ground electrode to support precise ignition performance in the specified Honda and Acura platforms. The copper core center and ground electrode materials help manage heat transfer, while the 22 heat range and OE-style dimensions support proper installation in the listed engines. This spark plug is a direct replacement choice for drivers servicing a 2017-2023 Honda Civic, 2017-2019 Honda CR-V, 2013-2017 Honda Accord, 2023 Honda HR-V, 2018-2022 Acura ILX, and 2015-2020 Acura TLX.

Common Issues This Part Can Address

• Engine misfire caused by worn spark plug electrodes
• Hard starting from degraded ignition performance
• Rough idle related to inconsistent spark output
• Reduced fuel economy from inefficient combustion
• Check engine light concerns tied to spark plug wear

Installation Notes and Tips

Verify the vehicle’s engine code and OE spark plug specification before installation. Confirm the 12.00 mm thread diameter, 26.50 mm reach, flat seat, and 1.1 mm pre-gap match the application. Use proper spark plug service procedures, including correct torque and clean plug wells, to protect the threads and ensure accurate seating.

Quality Assurance

Denso manufactures this spark plug to OE performance, durability, and emissions standards for the listed Honda and Acura applications. The part is built to match factory-style requirements for fitment and ignition performance.

• Fits 2017-2023 Honda Civic, N/A
• Fits 2023 Honda HR-V, N/A
• Fits 2018-2022 Acura ILX, N/A
• Fits 2018-2020 Acura TLX, N/A
• Fits 2017-2019 Honda CR-V, N/A
• Fits 2016-2017 Acura ILX, N/A
• Fits 2015-2017 Acura TLX, N/A
• Fits 2017 Honda Accord, N/A
• Fits 2013-2016 Honda Accord, N/A
• Fits 2016 Honda Civic, N/A
• Fits 2015-2016 Honda CR-V, N/A