NGK 6937 Spark Plug - Exhaust Side

NGK V-Power Spark Plug 6937 Overview

The NGK V-Power Spark Plug 6937 is built for direct replacement service in a wide range of import and domestic applications. It uses a copper core center electrode, nickel tip materials, and a standard ground electrode design to support consistent ignition performance in vehicles such as the Hyundai Sonata, Kia Optima, and Dodge Caravan.

As part of NGK’s V-Power Spark Plug line, this plug is engineered around OE-style durability and serviceability for everyday driving, routine tune-ups, and scheduled maintenance.

Key Features

• Part number 6937, NGK BPR5EY-11
• V-Power spark plug design for OE-style replacement service
• Copper core center electrode for stable heat transfer
• Nickel center and ground electrode tip materials
• Standard ground configuration with one ground electrode
• Pre-gapped at 0.044 in. before installation verification
• 5000 ohm resistance and flat seat design
• 14 mm thread diameter, 0.75 in. reach, 13/16 in. hex

Detailed Description

NGK part number 6937 is a V-Power spark plug designed for vehicles that call for a 14 mm, flat-seat plug with a 0.044 in. gap specification. The copper core and nickel electrode construction support dependable spark delivery and consistent combustion in a broad range of applications, including Hyundai Santa Fe, Kia Magentis, Mitsubishi Mirage, and Toyota Tercel fitments. The non-removable nut terminal and standard electrode layout make it a straightforward service part for ignition maintenance.

NGK is a long-established OE supplier in North America, with manufacturing and distribution capabilities built around original equipment standards. That background is reflected in the BPR5EY-11 design used for this 6937 spark plug, which is intended to match the service requirements of many older and higher-mileage vehicles.

What This Spark Plug Helps Address

• Hard starting caused by worn or fouled spark plugs
• Rough idle from inconsistent ignition firing
• Misfire conditions related to excessive plug wear
• Reduced fuel economy from weak spark output
• Maintenance intervals calling for OE-style replacement plugs

Installation Notes and Fitment Tips

Verify the specified gap before installation and adjust to the vehicle requirement when needed. This plug is listed for applications such as Fits 2001-2006 Hyundai Santa Fe, N/A; Fits 2001-2006 Kia Optima, N/A; and Fits 1987-2000 Dodge Caravan, N/A. Additional fitment includes Fits 1990-2005 Hyundai Sonata, N/A and Fits 1985-1994 Toyota Tercel, N/A.

Confirm thread diameter, reach, seat type, and heat range against the vehicle’s service data before installation. For best results, replace plugs during scheduled ignition service and inspect related components such as wires or coils if the engine has a history of misfire.

Quality Assurance

NGK manufactures spark plugs to OE standards and supports a broad range of automotive, motorcycle, marine, and small engine applications. Part 6937 reflects that OE-focused approach with application-specific construction and established interchange coverage for service replacement use.

This part cross-references Gates 6937 for the same application.