Denso 4711 Spark Plug

Denso Iridium TT Spark Plug 4711

Denso Iridium TT 4711 is a spark plug built for OE-style durability with a performance-focused electrode design. It combines an iridium center electrode with a platinum twin-tip ground electrode to support consistent ignition, stable combustion, and long service life in a wide range of import applications.

Compatible With Nissan Versa, Toyota Corolla, Mazda CX-5, and other listed applications, this plug is a direct-fit ignition service part for drivers looking to restore factory-like starting and throttle response. The Denso 4711 is also a strong match for long-tail searches such as Iridium TT spark plug for 2017-2023 Nissan Versa or 2009-2019 Toyota Corolla ignition replacement.

Key Features

• Iridium center electrode tip for precise spark delivery
• Platinum twin-tip ground electrode design for durability and consistent firing
• OE-style construction with performance-oriented power and torque characteristics
• 5000 ohm resistance for ignition system compatibility
• Flat seat design with 12.00 mm thread diameter and 26.50 mm reach
• Pre-gapped to 1.0 mm for common direct-install applications
• Cross-reference example: DENSO Auto Parts IXEH20TT

Iridium TT Product Line

Denso Iridium TT is the brand’s twin-tip spark plug line, combining a fine iridium center electrode with a platinum-enhanced ground electrode. The design focuses on reliable ignition performance while maintaining the durability expected from an OE-style replacement, making it a practical choice for import vehicles that call for a long-life spark plug.

Detailed Description

The Denso 4711 spark plug uses a copper core center electrode with an iridium tip and a nickel ground electrode core with a platinum twin-tip design. That combination helps promote efficient spark formation and steady combustion across everyday driving conditions. It is listed across many Nissan, Toyota, Mazda, Lexus, Scion, Jaguar, Land Rover, and Suzuki applications, including popular models such as Nissan Sentra, Toyota Prius, and Mazda 3.

For shoppers searching by vehicle and part number, this plug supports common maintenance needs on 2017-2023 Nissan Versa, 2009-2019 Toyota Corolla, and 2013-2016 Mazda CX-5 applications. The Denso 4711 is built to match the specified thread, reach, seat, and heat range requirements for the listed vehicles.

What It Helps Address

• Hard starting caused by worn spark plugs
• Rough idle from weak or inconsistent ignition
• Misfire symptoms related to degraded plug electrodes
• Reduced throttle response from aged secondary ignition components
• Maintenance intervals on high-mileage import engines

Installation Notes and Tips

Verify engine code, model year, and emissions configuration before ordering, especially on vehicles with multiple engine variants such as Mazda 3 and Nissan Sentra. Confirm the specified 12.00 mm thread diameter, 26.50 mm reach, flat seat, and 1.0 mm pre-gap against the original plug. Use proper spark plug service procedures and torque specifications for the engine.

Body fitment examples include Fits 2017-2023 Nissan Versa, N/A; Fits 2018-2022 Toyota C-HR, N/A; Fits 2014-2016 Mazda 6, N/A; Fits 2007-2016 Nissan Versa, N/A; and Fits 2009-2019 Toyota Corolla, N/A.

Quality Assurance

Denso manufactures this Iridium TT spark plug to OE-style dimensional and performance standards for the listed applications. The part number 4711 is engineered for consistent ignition service in direct-fit import vehicle maintenance.