NGK 7551 Spark Plug Wire Set

NGK Spark Plug Wire Set for OE-Style Ignition Performance

The NGK Spark Plug Wire Set, part number 7551, is a specific-fit ignition wire set built for select compact cars from Chevrolet, Geo, Pontiac, and Suzuki. It uses silicone insulation, a magnetic variable-pitch core, and noise suppression construction to support stable spark delivery and reduced electrical interference.

Key Features

• Specific-fit NGK spark plug wire set for confirmed vehicle applications
• Silicone insulation for heat resistance and durability
• Blue insulation color for easy visual identification
• Magnetic variable-pitch core material for consistent ignition signal transfer
• Noise suppression design to help reduce radio-frequency interference
• 7.00 mm outside diameter insulation
• NGK part number 7551, also referenced as RC-SE33

Product Details

NGK Spark Plug Wire Set 7551 is part of NGK’s ignition product line, which includes spark plugs, glow plugs, ignition coils, coil-on-plug boots, and wire sets. NGK applies its OE-focused manufacturing experience to replacement ignition components for domestic and import vehicles, with attention to durability and operational performance. This wire set is listed for 1991-1999 Pontiac Firefly, 1991-1994 Geo Metro, 1991-1994 Suzuki Swift, and 1991-1992 Chevrolet Sprint applications, including 1991 models built from 5/1991 where noted. This makes it a direct search match for buyers looking for an NGK Spark Plug Wire Set 7551 for Pontiac Firefly, Geo Metro, or Suzuki Swift ignition service.

This part cross-references DENSO Auto Parts 671-3004 and Four Seasons 55460 for the same application.

Common Issues This Part Can Address

• Misfires caused by worn or damaged ignition wires
• Hard starting related to weak spark transfer
• Rough idle from inconsistent ignition output
• Electrical noise that can interfere with ignition system operation
• Cracked or heat-aged wire insulation

Installation Notes

Verify vehicle year and build date before ordering, especially for 1991 Chevrolet Sprint, Geo Metro, and Pontiac Firefly applications noted as from 5/1991. Match each wire to the correct cylinder routing and keep the wires separated from hot exhaust components and sharp edges. Confirm the ignition system is in good condition before installation to avoid repeat misfire concerns.

Quality Assurance

NGK is an established ignition manufacturer with extensive OE experience and a long history of producing replacement ignition components to meet demanding performance and durability expectations. Part number 7551 is built as a specific-fit replacement for the listed applications and follows NGK’s ignition-focused product standards.