DENSO 12-12-9-065-004 U-Groove Spark Plug - XU22EPR-U

The DENSO 12-12-9-065-004 (XU22EPR-U) is a premium U-Groove nickel spark plug engineered for optimal combustion efficiency and reliable performance. This spark plug features a u-shaped groove in the ground electrode, giving the flame a groove to grow in, resulting in less flame dissipation and a larger flame front for a more complete combustion. This translates to better fuel efficiency and improved throttle response.

Key Features:

• Machine rolled threads prevent seizing or cross threading during installation and removal
• 100% pre-fired to assure the highest quality possible
• Purified alumina powder insulator provides exceptional strength and thermal conductivity
• Five rib insulator prevents flashover
• Copper-glass seal bonds center electrode and insulator for a gas-tight seal
• Solid SAE terminal connector type
• Lasts twice as long as conventional spark plugs

Technical Specifications:

• Thread diameter: 12mm
• Thread reach: 19mm (3/4")
• Hex size: 5/8" (16mm)
• Tightening torque: 17 Nm
• Weight: 40g
• Gasket seat type
• Resistor equipped
• Single ground electrode

This OE-quality spark plug crosses to DENSO part number XU22EPR-U (3179) and replaces BMW 12 12 7 671 302, 12 12 7 681 415, and 12 12 9 065 004, along with numerous other OEM part numbers for BMW, Fiat, Ford, Chevrolet, Mazda, Honda, Porsche, Subaru, Suzuki, and other manufacturers.