Denso 4501 Spark Plug

Overview of Denso Platinum TT Spark Plug 4501

The Denso Platinum TT spark plug 4501 is engineered for reliable ignition performance across a wide range of vehicles including BMW, Ford, Toyota, and Honda models. Designed with advanced materials and a twin-tip ground electrode, this spark plug supports efficient combustion and consistent engine operation.

• Titanium enhanced twin-tip ground electrode for improved ignition
• Platinum center electrode tip for durability and stable performance
• Copper core center electrode for optimal conductivity
• Flat seat type with 14mm thread diameter and 19mm reach
• Resistance rating of 5000 ohms to reduce electrical noise

Technical Features and Specifications

The Denso Platinum TT 4501 spark plug features a unique twin-tip ground electrode design enhanced with titanium, which helps provide a more stable and efficient spark. The center electrode is constructed with a copper core for excellent heat dissipation and electrical conductivity, topped with a platinum tip to resist wear and extend service life. The ground electrode core is made of nickel, contributing to durability under high-temperature conditions. With a pre-gap size of 1.0 mm and a flat seat type, this spark plug ensures proper fit and sealing in compatible engines. The 20.6 mm hex size allows for easy installation and removal.

Platinum TT Product Line Details

The Denso Platinum TT line is designed to offer enhanced ignition performance through the use of twin-tip technology and premium electrode materials. This product line focuses on improving combustion efficiency and spark stability, which can contribute to smoother engine operation and potentially better fuel economy. The 4501 spark plug is a part of this line, combining platinum and titanium materials to meet the demands of various vehicle makes and models.

Compatible Vehicles and Applications

This spark plug is compatible with a broad range of vehicles, including but not limited to BMW 318i, Ford Mustang, Toyota Camry, Honda Accord, and Jeep Cherokee. It is suitable for models requiring a 14 mm thread diameter and 19 mm reach spark plug with a flat seat. The Denso Platinum TT 4501 is ideal for drivers seeking a replacement spark plug that matches OEM specifications for secondary ignition systems.

• Resolves misfires and rough idling issues
• Improves cold start performance
• Reduces engine hesitation during acceleration
• Helps maintain consistent fuel combustion
• Minimizes electrical interference with vehicle electronics

Installation Notes and Tips

When installing the Denso Platinum TT 4501 spark plug, ensure the engine is cool to prevent damage to the threads. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended specifications to avoid over-tightening or under-tightening. Verify the pre-gap size of 1.0 mm before installation, adjusting if necessary to match vehicle requirements. The 20.6 mm hex size allows for standard spark plug socket compatibility.

Quality Assurance and Warranty

Denso manufactures the Platinum TT spark plug 4501 to meet strict quality standards, using premium materials such as platinum and titanium-enhanced electrodes. The spark plug is designed to provide consistent performance and durability under normal operating conditions. While specific warranty details are not provided, Denso products typically come with manufacturer-backed quality assurance to support reliability in automotive ignition systems.