NGK 1682 Spark Plug

NGK G-Power Spark Plug 1682 Overview

The NGK G-Power Spark Plug 1682 is built for direct replacement service in select Fiat 500 and Chevrolet Spark applications. It combines a platinum center electrode with a nickel ground electrode and a 5,000-ohm resistor for stable ignition performance and reduced electrical noise.

As part of NGK’s G-Power Spark Plug line, this plug is engineered for OE-style fit and dependable operation in everyday driving. The DCPR7EGP design uses a flat seat, 12 mm thread diameter, 0.75-inch reach, and a pre-gap size of 0.032 inches.

Key Features

• NGK G-Power Spark Plug line for OE-style ignition service
• Part number 1682 / DCPR7EGP
• Platinum center electrode tip with nickel ground electrode core
• 5,000-ohm resistor for ignition system noise suppression
• Pre-gapped to 0.032 inches
• Flat seat, 12 mm thread diameter, 5/8 hex size, 0.75-inch reach
• Single ground electrode with trapezoid tip design

Detailed Description

NGK has decades of OE manufacturing experience and supplies spark plugs for a wide range of domestic and import vehicles. The G-Power Spark Plug 1682 reflects that OE-focused approach with a platinum-tipped center electrode for consistent spark delivery and a copper core center electrode for efficient heat transfer. The DCPR7EGP configuration is specified for select compact-car applications, including 2014-2017 Fiat 500 and 2013-2015 Chevrolet Spark models, with a 2012-2013 Fiat 500 application that requires a 0.040-inch gap setting. If you are searching for an NGK 1682 spark plug for Fiat 500 or Chevrolet Spark service, this part matches the listed applications and specifications.

This part cross-references NGK 1682 for the same application.

What It Helps Address

• Misfires caused by worn or fouled spark plugs
• Hard starting from weak ignition output
• Rough idle related to degraded spark delivery
• Reduced throttle response from inconsistent combustion
• Ignition noise concerns in the secondary ignition system

Installation Notes and Tips

Verify the vehicle application before installation and confirm the required gap for your exact model year. The listed fitments include 2014-2017 Fiat 500, 2013-2015 Chevrolet Spark, and 2012-2013 Fiat 500; the notes specify 0.032-inch gap for 2014-2017 Fiat 500, 0.036-inch gap for 2013-2015 Chevrolet Spark, and 0.040-inch gap for 2012-2013 Fiat 500. Use the correct torque procedure for the cylinder head material and inspect the ignition system for wear before installing new plugs.

Quality Assurance

NGK is a long-established OE spark plug manufacturer with broad coverage across automotive, motorcycle, marine, and small engine applications. The 1682 spark plug is produced to support original-equipment standards for durability and consistent operation.