Denso 3043 Spark Plug

Reliable Ignition with Denso U-Groove Conventional Spark Plug 3043

The Denso U-Groove Conventional spark plug 3043 is engineered to deliver consistent ignition performance for a variety of vehicle makes and models. Designed with precision materials and a unique U-groove ground electrode tip, this spark plug supports efficient combustion and engine responsiveness.

• U-groove ground electrode tip design for improved spark exposure
• Standard ground configuration with a single ground electrode
• Nickel ground electrode core and tip for durability
• Copper center electrode core with nickel tip for optimal conductivity
• Pre-gap size of 0.8 mm for precise spark gap
• Flat seat type with 19.00 mm reach and 14.00 mm thread diameter
• Hex size of 20.6 mm for standard installation tools
• Manufacturer heat range rating of 20 for balanced thermal performance

About the Denso U-Groove Conventional Product Line

The U-Groove Conventional line from Denso focuses on spark plugs featuring a distinctive U-shaped groove on the ground electrode tip. This design enhances spark exposure to the air-fuel mixture, promoting more efficient ignition and combustion. The conventional construction with nickel and copper materials ensures reliable performance and longevity across compatible vehicle applications.

Technical Details and Performance

This spark plug incorporates a nickel ground electrode core and tip, providing resistance to wear and corrosion. The copper center electrode core improves thermal conductivity, helping maintain stable operating temperatures. The 0.8 mm pre-gap size is factory set to optimize spark efficiency, while the flat seat and 19.00 mm reach ensure proper fitment in engines requiring these specifications. The heat range of 20 balances heat dissipation and combustion chamber conditions, suitable for many standard ignition systems.

Applications and Problem Solving

• Restores consistent ignition in vehicles experiencing misfires
• Improves fuel combustion efficiency for smoother engine operation
• Reduces electrode wear in engines with standard ignition requirements
• Addresses rough idling caused by worn or damaged spark plugs
• Supports maintenance for vehicles requiring a 14 mm thread diameter spark plug

Installation Notes and Tips

Ensure the spark plug gap is checked before installation, although the pre-gap is factory set at 0.8 mm. Use a 20.6 mm socket wrench for proper tightening torque to avoid damage to the electrode or threads. Confirm compatibility with your vehicle’s make and model by verifying thread diameter, reach, and seat type specifications. Proper installation will help maintain engine performance and spark plug longevity.

Quality Assurance and Warranty

Denso manufactures the U-Groove Conventional spark plug 3043 to meet strict quality standards. The use of nickel and copper materials ensures durability and consistent performance under normal operating conditions. While specific warranty details are not provided, Denso products typically adhere to industry quality controls and reliability benchmarks.