NGK 3440 Spark Plug

NGK Laser Platinum Spark Plug 3440

NGK Laser Platinum Spark Plug 3440 is an OE-style ignition component built for stable spark delivery, consistent combustion, and long service life. It uses a platinum center electrode, nickel ground electrode, and a 5,000-ohm resistor to support reliable ignition performance in a wide range of Toyota, Lexus, Saturn, Mazda, and other import applications.

Key Features

• Laser Platinum design with a platinum center electrode for durable spark performance
• Copper core center electrode for efficient heat transfer
• Nickel ground electrode with standard tip and standard configuration
• 5,000-ohm resistor helps reduce electrical noise in the ignition system
• Pre-gapped at 0.044 in. for many listed applications
• 14 mm thread diameter, 0.75 in. reach, and 5/8 in. hex size
• Flat seat design for confirmed OE-style applications

Product Details

NGK is a major OE spark plug supplier in North America, and the Laser Platinum line reflects that original-equipment focus. Part number 3440, also identified as BKR5EP-11, is specified across many import vehicles including Toyota Corolla, Toyota Tacoma, Toyota Celica, Lexus SC300, and Toyota Prius applications. The platinum tip supports consistent ignition over extended service intervals, while the copper core and standard ground design help maintain dependable combustion characteristics. This part cross-references Anchor 3440 and AMS Automotive 4701 for the same application.

Common Symptoms This Part Can Address

• Rough idle caused by worn spark plugs
• Hard starting from weak or inconsistent spark output
• Misfire conditions related to plug wear or incorrect gap
• Reduced fuel economy from incomplete combustion
• Loss of throttle response in high-mileage ignition systems

Installation Notes and Fitment Tips

Verify the engine application, emissions calibration, and plug gap before installation. Confirm the specified gap for your vehicle, since listed applications include 0.044 in., 0.042 in., 0.040 in., and 0.032 in. requirements depending on model and emissions setup. Compatible With 2015-2017 Toyota Yaris, 2010 Toyota Yaris, 2014-2015 Scion xB, 2001-2005 Chrysler Sebring, 2001-2005 Dodge Stratus, 2004-2005 Mazda Miata, 2005 Toyota Celica, 2000-2002 Toyota Celica, 1990 Toyota Celica, 2004 Toyota Celica, 2004 Toyota Matrix, 2001-2004 Toyota Tacoma, 2004 Volkswagen Beetle, 2000-2002 Chevrolet Prizm, 2001-2002 Chevrolet Tracker, 1993-2002 Saturn SC2, 1991-2002 Saturn SL2, 2000-2002 Toyota Corolla, 2000-2002 Toyota MR2 Spyder, 2001-2002 Toyota Prius, 1993-2001 Saturn SW2, 2000 Toyota 4Runner, 2000 Toyota Echo, 1999-2000 Toyota Tacoma, 1995-1998 Lexus SC300, 1992 Lexus SC300, 1994-1997 Lexus GS300, 1993-1997 Toyota Supra, 1995 Toyota Paseo, 1991-1995 Toyota Previa, 1994 Lexus SC300, 1993-1994 Mazda 323, 1990-1994 Mazda Protege, 1992-1994 Toyota Paseo, 1992-1993 Geo Storm, 1991-1992 Saturn SC, 1991 Toyota MR2, and 1989 Geo Prizm.

Quality Assurance

NGK manufactures spark plugs to OE standards and supports a broad range of domestic and import vehicle coverage. The brand’s long-standing OE supplier role and North American manufacturing and distribution network support consistent product availability and application accuracy for service work on vehicles such as Toyota Corolla, Toyota Tacoma, and Lexus SC300.