NGK 7517 Spark Plug

Standard Spark Plug Overview

NGK 7517 is a standard spark plug built around OE-style construction and fitment for select Volkswagen and Audi applications. It uses a copper center electrode core, nickel tip materials, and a semi-surface discharge ground design for consistent ignition performance.

Key Features

• NGK 7517 standard spark plug with OE-focused design
• Copper center electrode core with nickel tip materials
• Semi-surface discharge ground electrode configuration
• 14 mm thread diameter, 0.75 in reach, and flat seat
• Pre-gapped to 0.032 in for specified applications
• Stud terminal and 13/16 in hex size

Detailed Description

As part of NGK’s Standard Spark Plug line, this plug is engineered to match original equipment standards for durability and stable operation. The BUR6ET design, part number 7517, is listed for 1993-1998 Volkswagen Golf, 1993-1995 Volkswagen Jetta, 1988-1990 Audi 80, and 1988 Audi 90. For buyers searching for an NGK 7517 spark plug for Volkswagen Golf or Audi 80 ignition service, this part provides a direct replacement format with the specified heat range, resistance, and electrode layout.

Common Uses

• Restoring weak or inconsistent spark output
• Replacing worn electrodes and degraded firing surfaces
• Addressing misfire concerns tied to plug wear
• Maintaining correct ignition gap and heat range
• Servicing OE-style ignition systems on listed vehicles

Installation Notes and Tips

Verify the plug gap, thread reach, seat type, and terminal style before installation. The fitment notes list a 0.032 in gap and a 30,000-mile OE manufacturer service interval for the specified applications. Confirm the engine application against the vehicle’s service information before ordering and install to the manufacturer’s torque specification.

Quality Assurance

NGK is a major OE spark plug supplier in North America with more than 80 years of automotive manufacturing experience. Part number 7517 is produced to original equipment standards for durability and operational performance.