Denso 5357 Spark Plug

Overview of Denso Iridium Power Spark Plug 5357

The Denso Iridium Power Spark Plug 5357 is engineered for reliable ignition performance in a wide range of vehicles including Acura, BMW, Honda, and Volkswagen models. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and consistent engine operation.

• Iridium center electrode tip for enhanced durability and ignition
• Tapercut, u-groove ground electrode tip design for improved spark exposure
• Copper core center electrode for optimal conductivity
• Nickel ground electrode core material with standard ground configuration
• Pre-gap size of 1.1 mm and flat seat type for proper fitment
• Thread diameter of 14.00 mm and reach of 19.00 mm
• Hex size of 16.0 mm for installation with common tools
• Manufacturer heat range of 16 suitable for various driving conditions
• Resistance rating of 5000 ohms to reduce electrical noise interference

Iridium Power Product Line Details

The Denso Iridium Power line focuses on delivering spark plugs with iridium-tipped electrodes that provide a balance of durability and performance. The iridium tip on the center electrode enhances ignition reliability and longevity compared to conventional plugs. This product line is designed to meet the demands of modern engines requiring precise spark delivery and efficient combustion, making it suitable for vehicles such as the Honda Accord, BMW 750iL, and Volkswagen Golf.

Technical Description and Attributes

This spark plug features a copper core center electrode that ensures excellent thermal conductivity and stable performance under various engine loads. The ground electrode uses nickel core material with a tapercut, u-groove tip design to optimize spark exposure and combustion efficiency. The single ground electrode configuration and flat seat type provide a secure fit and consistent spark gap maintenance. With a pre-gap size of 1.1 mm and a thread diameter of 14.00 mm, the Denso 5357 spark plug fits a broad range of vehicles including Acura MDX, Dodge Ram 1500, and Hyundai Elantra.

Applications and Problem Solving

• Restores engine misfire issues caused by worn or fouled spark plugs
• Improves cold start performance in vehicles like the Jeep Grand Cherokee and Mazda Protege
• Reduces ignition system electrical noise with 5000 ohm resistance
• Enhances fuel efficiency and smooth engine operation in models such as the Chrysler Sebring and Kia Soul
• Supports consistent spark delivery for vehicles with high-performance ignition requirements

Installation Notes and Tips

Ensure the spark plug gap is set to the manufacturer’s recommended specification before installation, although the pre-gap is set at 1.1 mm. Use a 16 mm socket wrench for proper tightening torque to avoid damage to the flat seat. It is advisable to inspect the ignition system components and replace spark plugs in sets to maintain balanced engine performance. Compatible with a variety of vehicles including the Honda Civic, Dodge Durango, and Saturn Vue.

Quality Assurance and Warranty

Denso spark plugs are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The Iridium Power 5357 spark plug is designed for long service life and consistent ignition. Warranty coverage details should be confirmed with the vehicle manufacturer or authorized distributor.