Denso 3495 Spark Plug

Overview of Denso Iridium Long Life (SIP) Spark Plug 3495

The Denso Iridium Long Life (SIP) spark plug, part number 3495, is engineered for reliable ignition performance in select Genesis, Hyundai, Kia, and Mercedes-Benz vehicles. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and engine longevity.

• Iridium center electrode tip for enhanced durability
• Platinum needle ground electrode tip for stable spark
• Needle-to-needle ground configuration for consistent ignition
• Copper center electrode core for optimal conductivity
• Flat seat type with 26.50 mm reach and 12.00 mm thread diameter
• Pre-gap size of 1.1 mm for precise spark gap
• Hex size of 16.0 mm for standard installation tools
• Manufacturer heat range of 22 suitable for various driving conditions

Details on the Iridium Long Life (SIP) Product Line

The Iridium Long Life (SIP) line from Denso focuses on delivering extended service life and consistent ignition performance. Utilizing iridium for the center electrode tip and platinum for the ground electrode tip, these spark plugs are designed to maintain stable spark delivery over time. This combination reduces electrode wear and supports efficient combustion, making it suitable for high-performance and luxury vehicles such as the Mercedes-Benz AMG series and Genesis models.

Technical Description and Attributes

The Denso 3495 spark plug features a copper core center electrode that enhances electrical conductivity, paired with an iridium tip that resists wear and maintains a sharp spark point. The ground electrode uses a nickel core with a platinum needle tip arranged in a needle-to-needle configuration, which helps provide a stable and focused spark. The flat seat design ensures proper sealing in the combustion chamber, while the 1.1 mm pre-gap size is optimized for the ignition systems in compatible vehicles. With a heat range rating of 22, this spark plug balances heat dissipation and performance for a variety of driving conditions.

Compatible Vehicles and Applications

• Genesis G80, G90, and Equus models
• Hyundai Elantra, Santa Fe, Sonata, Tucson, Kona, and Niro
• Kia K900 and other select models
• Mercedes-Benz AMG series including C350, CL63 AMG, CLS63 AMG, E63 AMG, G63 AMG, GL63 AMG, GLS63 AMG, ML63 AMG, S63 AMG, SL63 AMG, SLK55 AMG, and others

Common Issues Addressed by Denso 3495 Spark Plug

• Misfires and rough idling in compatible vehicles
• Reduced fuel efficiency due to inconsistent ignition
• Difficulty starting engines under cold or variable conditions
• Premature electrode wear affecting spark quality
• Engine hesitation or power loss during acceleration

Installation Notes and Tips

• Ensure the spark plug gap is set to 1.1 mm before installation
• Use a 16 mm socket wrench for proper torque application
• Verify thread diameter of 12 mm and reach of 26.50 mm for compatibility
• Apply anti-seize compound sparingly on threads if recommended by vehicle manufacturer
• Follow vehicle-specific torque specifications to avoid damage

Quality Assurance and Warranty

Denso spark plugs, including part number 3495, are manufactured to meet strict OEM standards for fit, form, and function. The use of iridium and platinum materials ensures durability and consistent performance over the service life. While specific warranty terms may vary by distributor, Denso products typically come with a limited warranty covering defects in materials and workmanship.