NGK 8122 Spark Plug Wire Set

NGK Spark Plug Wire Set for OE-Style Ignition Service

NGK Spark Plug Wire Set 8122 is a specific-fit ignition wire set built for select Chevrolet Metro, Geo Metro, and Pontiac Firefly applications. It uses blue silicone insulation, a magnetic variable-pitch core, and noise suppression construction to support stable spark delivery and reduced electrical interference.

As part of the NGK Spark Plug Wire Set line, this replacement wire set reflects NGK’s long OE-focused ignition experience and attention to durability, fit, and operational consistency for domestic and import vehicles.

Key Features

• Specific-fit spark plug wire set for confirmed vehicle applications
• Blue silicone insulation for heat resistance and flexible routing
• Magnetic variable-pitch core material for ignition performance
• Noise suppression construction to help reduce radio-frequency interference
• 7.00 mm insulation outside diameter
• NGK part number 8122 / RC-SE98

Detailed Product Overview

NGK 8122 is engineered as a direct replacement ignition wire set for 1993 Geo Metro, 1995-1997 Geo Metro, 1998-2000 Chevrolet Metro, and 2000 Pontiac Firefly applications. It is built with silicone insulation and a mag variable-pitch core to support consistent spark transfer while helping maintain signal integrity in the ignition system. The blue outer insulation also provides a clean visual identifier during service.

This part cross-references DENSO Auto Parts 671-3004 and Standard Ignition 7302 for the same application. The NGK Spark Plug Wire Set 8122 is a practical choice when servicing ignition wire wear on Metro and Firefly platforms.

Common Issues This Part May Address

• Engine misfire caused by worn or damaged plug wires
• Hard starting related to weak spark delivery
• Rough idle from deteriorated ignition wire insulation
• Radio interference from aging ignition components
• Voltage loss across cracked or heat-aged wires

Installation Notes and Tips

Verify the vehicle application before installation and route each wire to match the original ignition layout. Inspect spark plugs, distributor components, and coil connections at the same time, since worn related parts can affect ignition performance. Confirm the wire ends seat fully and avoid sharp bends or contact with hot exhaust components.

Quality Assurance

NGK is known for OE-focused ignition manufacturing and global automotive coverage. This spark plug wire set is produced to meet durability and operational performance expectations for replacement service on select Chevrolet Metro, Geo Metro, and Pontiac Firefly vehicles.