Denso 5092 Spark Plug

Reliable Ignition Performance for Select Buick, Cadillac, Ford, and More

The Denso Double Platinum 5092 spark plug is engineered to deliver consistent ignition and efficient combustion for a range of vehicles including Buick, Cadillac, Ford, Mazda, Oldsmobile, and Pontiac models. Designed with durable materials and precise specifications, this spark plug supports optimal engine performance and longevity.

• Double platinum electrodes for enhanced durability and stable spark
• Center electrode with copper core and platinum tip for efficient conductivity
• Ground electrode features a platinum chip with nickel core for reliable ignition
• Standard ground configuration with a single ground electrode
• Pre-gap size of 1.3 mm for precise spark gap
• Tapered seat type and 14 mm thread diameter for secure fitment
• Hex size of 16.0 mm for easy installation
• Manufacturer heat range of 16 suitable for various engine conditions
• Reach length of 19.00 mm to match OEM specifications

About the Denso Double Platinum Spark Plug Line

The Double Platinum line from Denso is designed to provide a balance of durability and performance by utilizing platinum on both the center and ground electrodes. This design reduces electrode wear and maintains a consistent spark over time, which is critical for maintaining engine efficiency and reducing misfires. The 5092 spark plug benefits from this technology, making it suitable for vehicles requiring reliable secondary ignition components.

Technical Details and Compatibility

The Denso 5092 spark plug features a copper core center electrode with a platinum tip, enhancing electrical conductivity and heat dissipation. The ground electrode includes a platinum chip and nickel core, contributing to long service life and stable ignition. With a pre-gap size of 1.3 mm and a tapered seat, this spark plug fits securely in engines designed for a 14 mm thread diameter and 19.00 mm reach. Compatible with various models such as the Buick Lucerne, Cadillac DeVille, Ford Focus, Mazda 3 and 6, Oldsmobile Aurora, Pontiac Bonneville, and more, it meets the specific ignition requirements of these vehicles.

Common Issues Addressed by Denso 5092 Spark Plug

• Engine misfires and rough idling
• Reduced fuel efficiency due to incomplete combustion
• Difficulty starting the engine in cold conditions
• Increased emissions from inefficient ignition
• Premature electrode wear affecting spark consistency

Installation Notes and Tips

Ensure the engine is cool before removing old spark plugs. Use a torque wrench to tighten the Denso 5092 spark plug to the manufacturer’s recommended specifications to avoid damage. Verify the pre-gap size of 1.3 mm before installation, adjusting if necessary. The 16.0 mm hex size allows for standard spark plug socket use. Proper installation ensures optimal ignition performance and longevity.

Quality Assurance and Warranty

Denso spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Double Platinum 5092 spark plug undergoes rigorous testing for heat range, electrode wear, and ignition stability. While specific warranty details may vary, Denso products typically come with manufacturer-backed quality assurance to support customer confidence in their purchase.