Denso 3482 Spark Plug

Reliable Ignition Performance for Toyota and Scion Vehicles

The Denso U-Groove Conventional spark plug, part number 3482, is engineered to provide consistent ignition performance for a range of Toyota and Scion models. Designed with a U-groove ground electrode tip and quality core materials, this spark plug supports efficient combustion and engine reliability.

• U-groove ground electrode tip design for improved spark exposure
• Nickel ground electrode core and tip for durability
• Copper center electrode core for optimal conductivity
• Standard ground configuration with a single ground electrode
• Flat seat type with 14.00 mm thread diameter and 26.50 mm reach
• Pre-gap size of 1.1 mm for precise ignition timing
• Hex size of 16.0 mm for standard installation tools
• Manufacturer heat range rating of 16 for balanced thermal performance
• Resistance of 5000 ohms to reduce electrical noise interference

About the Denso U-Groove Conventional Product Line

The U-Groove Conventional line from Denso features spark plugs with a unique U-shaped groove on the ground electrode tip. This design increases the spark exposure area, which can enhance ignition efficiency and combustion stability. The conventional construction uses durable nickel and copper materials to maintain reliable performance across various driving conditions. Part number 3482 is a representative model within this line, tailored for compatibility with specific Toyota and Scion vehicles.

Technical Details and Compatibility

This spark plug is compatible with multiple Toyota and Scion models, including the 4Runner, Camry, FJ Cruiser, Highlander, RAV4, Sienna, tC, Tundra, and Venza. The part number 3482 features a 14.00 mm thread diameter and 26.50 mm reach, ensuring proper fitment and sealing in the engine cylinder head. The flat seat type and 16.0 mm hex size facilitate straightforward installation using common tools. The 1.1 mm pre-gap size is set to optimize ignition timing and spark efficiency for these vehicles.

Common Applications and Problem Solving

• Restores consistent ignition spark in Toyota Camry and Highlander engines
• Helps reduce misfires and rough idling in Scion tC and Toyota RAV4
• Supports efficient fuel combustion to improve engine responsiveness in Toyota Tundra and 4Runner
• Addresses ignition-related starting difficulties in Toyota Sienna and FJ Cruiser
• Maintains stable engine performance under varied driving conditions for Toyota Venza

Installation Notes and Tips

When installing the Denso U-Groove Conventional spark plug 3482, ensure the engine is cool to prevent damage to the cylinder head. 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 1.1 mm before installation, adjusting if necessary to match vehicle requirements. The 16.0 mm hex size allows for compatibility with standard spark plug sockets.

Quality Assurance and Warranty

Denso spark plugs are manufactured to meet strict quality standards, using high-grade nickel and copper materials for durability and reliable performance. The resistance rating of 5000 ohms helps minimize electrical interference with vehicle electronics. While specific warranty details for part number 3482 are not provided here, Denso products typically come with manufacturer-backed quality assurance to support long-term use in compatible Toyota and Scion vehicles.