NGK 7790 Spark Plug

NGK Laser Platinum Spark Plug 7790 Overview

NGK Laser Platinum Spark Plug 7790 is a direct-fit ignition component for select Acura CL and Acura TL applications. Built with a platinum center electrode tip, copper core center electrode, and nickel ground electrode, it supports stable spark delivery and consistent secondary ignition performance.

The Laser Platinum line from NGK focuses on OE-style durability and service life for vehicles that call for precise ignition performance. This spark plug uses a flat seat, 14.00 mm thread diameter, 0.75 reach, 5/8 hex, and a 0.044 pre-gap size for the listed applications.

Key Features

• NGK Laser Platinum Spark Plug, part number 7790
• Platinum center electrode tip for long-lasting ignition performance
• Copper core center electrode for efficient heat transfer
• Nickel ground electrode with taper cut tip design
• 5000 ohm resistance for ignition system compatibility
• Flat seat design with 14.00 mm thread diameter and 0.75 reach
• Pre-gapped to 0.044 for the listed Acura applications
• Compatible with 2001-2003 Acura CL and 2002-2003 Acura TL

Detailed Description

NGK 7790 is engineered for drivers who need a replacement spark plug that matches the original equipment style used in select Acura CL and Acura TL models. The platinum tip helps maintain consistent spark characteristics over time, while the copper core and nickel ground electrode support heat control and reliable combustion. This makes it a practical choice for routine ignition service on 2001-2003 Acura CL and 2002-2003 Acura TL vehicles.

This part cross-references Honda 12290-PGE-A02 for the same application. If you are searching for an Acura CL spark plug or Acura TL spark plug replacement, NGK 7790 provides the correct fitment details and OE-focused construction for the listed vehicles.

What It Helps Address

• Engine misfire caused by worn spark plug electrodes
• Hard starting from weakened ignition output
• Rough idle related to inconsistent spark delivery
• Reduced fuel efficiency from degraded combustion
• Loss of throttle response from aged ignition components

Installation Notes and Tips

Verify the engine application before installation and confirm the specified gap of 0.044 inch for the listed vehicles. Use proper spark plug service procedures, including checking thread condition, tightening to the vehicle manufacturer’s specification, and inspecting ignition wires or coils during replacement. For Acura CL and Acura TL service, confirm the plug type matches the original seat, reach, and thread dimensions before installation.

Quality Assurance

NGK is a major OE spark plug supplier with more than 80 years of automotive experience and a long history of manufacturing ignition components for domestic and import vehicles. The brand’s OE-focused manufacturing and distribution network support consistent product quality for service replacement applications such as NGK 7790.