NGK 5787 Spark Plug

NGK Laser Iridium Spark Plug for Honda and Acura

NGK 5787 is a Laser Iridium spark plug built for select Honda and Acura applications that call for a 0.044 in. gap and OE-style ignition performance. It uses an iridium center electrode tip, a nickel ground electrode, and a copper core center electrode to support consistent spark delivery in everyday driving.

The Laser Iridium Spark Plug line from NGK focuses on OE-level fit and durability for modern engines. This part number, 5787, is a direct replacement option for vehicles such as the Honda Civic, Honda Accord, Acura TL, and Acura TSX where the listed factory specifications match.

Key Features

• NGK Laser Iridium spark plug, part number 5787
• Iridium center electrode tip for stable ignition performance
• Copper core center electrode and nickel ground electrode construction
• Pre-gapped to 0.044 in. per OE specifications
• Standard ground configuration with a flat seat design
• 5/8 in. hex size and 12.00 mm thread diameter
• Resistance rating: 5000
• Heat range 7 for listed Honda and Acura applications

Detailed Description

NGK 5787, also identified as ILZKR7B-11S, is engineered for vehicles that specify a laser iridium plug with a 0.044 in. gap. It is listed for a wide range of Honda and Acura models, including 2008-2012 Honda Accord, 2012-2015 Honda Civic, 2010-2014 Honda CR-V, 2009-2014 Acura TL, and 2009-2014 Acura TSX. Additional fitments include Acura ILX, MDX, RL, ZDX, and Honda Crosstour for the model years shown in the fitment data.

NGK has a long OE supply history and manufactures spark plugs for domestic and import vehicles, motorcycles, marine applications, and small engines. For buyers searching for an NGK 5787 spark plug, ILZKR7B-11S, or a replacement spark plug for Honda Civic and Acura TL applications, this part matches the listed factory-style specifications and fitment coverage.

This part cross-references Bosch 9619 for the same application.

Common Issues This Spark Plug Can Address

• Rough idle caused by worn or fouled spark plugs
• Hard starting from weak ignition output
• Misfire conditions tied to incorrect plug gap or electrode wear
• Reduced throttle response from degraded spark quality
• Maintenance replacement for factory-specified Honda and Acura ignition service

Installation Notes and Tips

Verify engine application, model year, and emissions configuration before ordering. This listing includes 2008-2012 Honda Accord w/o PZEV (Federal Emissions) and other specific Honda and Acura fitments, so match the vehicle exactly to the fitment table. Confirm the plug gap is 0.044 in. per OE specifications before installation, and use the correct 5/8 in. spark plug socket for service.

Check the vehicle service information for torque specifications and ignition system procedures. Inspect coil boots and plug wells during replacement to help ensure proper ignition performance after installation.

Quality Assurance

NGK is a major OE spark plug supplier in North America with manufacturing and distribution support across North America and globally. The brand’s OE background and application-specific engineering support consistent fit and factory-style operation for the listed Honda and Acura vehicles.

Compatible With 2013-2015 Acura ILX, 2012-2015 Honda Civic, 2012-2015 Honda Crosstour, 2009-2014 Acura TL, 2009-2014 Acura TSX, 2010-2014 Honda CR-V, 2010-2013 Acura MDX, 2010-2013 Acura ZDX, 2009-2012 Acura RL, and 2008-2012 Honda Accord w/o PZEV (Federal Emissions).