Karlyn 662 Spark Plug Wire Set

Karlyn-STI 662 Spark Plug Wire Set

The Karlyn-STI 662 spark plug wire set is built for direct ignition service on select Nissan applications. It features OEM boot type construction, OEM engine fitment, and a blue finish for straightforward identification in the engine bay.

Key Features

• OEM boot type for factory-style connection at the spark plug and ignition points
• OEM engine application focus for accurate ignition wire routing and fit
• Blue wire set finish for easy visual identification during service
• Part number 662 for fast lookup and ordering
• Karlyn-STI product line ignition component for Nissan Altima, Frontier, and Xterra applications

Fitment and Application

Compatible With 1997-2001 Nissan Altima, N/A. Compatible With 1998-2001 Nissan Frontier, N/A. Compatible With 2000-2001 Nissan Xterra, N/A. This part cross-references no additional part numbers listed for the same application.

Karlyn-STI is the brand line for Karlyn ignition components, focused on OE-style service parts for vehicles that require factory-matched connection points and application-specific fitment. The Karlyn 662 spark plug wire set is listed for Nissan Altima, Nissan Frontier, and Nissan Xterra coverage within the model years shown.

What It Is Used For

• Replacing worn or damaged spark plug wires
• Restoring consistent ignition wire connection at the plugs
• Addressing misfire concerns related to deteriorated wire insulation or terminals
• Correcting ignition service issues on Nissan Altima, Frontier, and Xterra models
• Maintaining proper ignition routing in OE-style applications

Installation Notes and Tips

Verify year, make, model, and engine application before installation. Route each wire to match the original layout and confirm secure boot engagement at every connection point. Inspect related ignition components, including spark plugs and coil-side connections, before completing service.

Quality Assurance

Karlyn-STI ignition parts are built for OE-style application matching and factory-type boot design. Part number 662 is cataloged for direct fitment on the listed Nissan vehicles.