DENSO 3265 Double Platinum Spark Plug

The DENSO 3265 Double Platinum Spark Plug (PK22PR11) delivers exceptional ignition performance and extended service life for demanding automotive applications. This premium spark plug features platinum tips on both the center and ground electrodes, providing superior resistance to erosion and corrosion for reliable operation exceeding 60,000 miles.

Key Features:

• Double platinum construction with platinum-tipped center and ground electrodes for maximum durability
• 0.044-inch electrode gap optimized for efficient combustion
• 14mm thread diameter with 1.25mm thread pitch for wide vehicle compatibility
• Purified alumina powder insulator provides exceptional thermal conductivity and strength
• Five-rib insulator design prevents flashover and voltage leakage
• Machine-rolled threads prevent seizing and cross-threading during installation
• Copper-glass seal creates a gas-tight bond between center electrode and insulator
• 100% pre-fired at the factory to ensure consistent quality

Originally engineered for the rigors of Distributorless Ignition Systems (DIS), this spark plug provides superior performance in both conventional and modern ignition systems. The platinum construction virtually eliminates gap erosion, maintaining optimal spark performance throughout its extended service life. Compatible with Honda, Infiniti, Mazda, and Nissan vehicles. Cross-references to OEM part numbers 0000-18-BP03, 1F20-18-110A, 1F20-18-110B, and 22401-27N17.

Installation Torque Specifications: Cast iron cylinder heads: 26-30 lb-ft; Aluminum cylinder heads: 15-22 lb-ft.