Karlyn 425 Spark Plug Wire Set

Karlyn-STI 425 Spark Plug Wire Set

The Karlyn-STI 425 spark plug wire set is an OEM-style ignition wire replacement with OEM boots and blue wire jackets. It is built for direct-fit service on select Mitsubishi, Hyundai, Plymouth, and Dodge applications, including Mitsubishi Eclipse, Hyundai Sonata, and Hyundai Elantra models.

Key Features

• OEM boot type for factory-style connection at the spark plug and ignition coil
• Blue wire finish for easy visual identification in the engine bay
• OEM engine application focus for original-equipment-style fitment
• Part number 425 for accurate catalog matching
• Karlyn-STI product line coverage for select import ignition applications

Fitment Coverage

• Fits 1990-1999 Mitsubishi Eclipse, N/A
• Fits 1992-1998 Hyundai Sonata, N/A
• Fits 1992-1995 Hyundai Elantra, N/A
• Fits 1990-1994 Plymouth Laser, N/A
• Fits 1989-1992 Mitsubishi Galant, N/A
• Fits 1991-1992 Mitsubishi Mirage, N/A
• Fits 1989 Mitsubishi Mirage, N/A
• Fits 1989-1990 Dodge Colt, N/A

Detailed Description

Karlyn-STI 425 is a spark plug wire set for ignition service on select Mitsubishi Eclipse and related import platforms. The OEM boot type supports a factory-style connection at the plug end, while the blue insulation provides a clear visual match for maintenance and inspection. This part number 425 is listed for multiple Mitsubishi, Hyundai, Plymouth, and Dodge models across the 1989-1999 model years.

The Karlyn-STI line focuses on OE-style ignition and related components for vehicles that require accurate fitment and dependable electrical routing. For buyers searching for a spark plug wire set for a 1990-1999 Mitsubishi Eclipse, 1992-1998 Hyundai Sonata, or 1992-1995 Hyundai Elantra, this part number 425 provides a cataloged replacement option.

What It Helps Address

• Misfires caused by worn or deteriorated ignition wires
• Hard starting related to weak spark delivery
• Rough idle from inconsistent ignition transfer
• Voltage leakage from aged wire insulation or boots
• Maintenance replacement for aging factory ignition wiring

Installation Notes and Tips

Match the wire routing to the original layout before removal, and verify each boot seats fully at the spark plug and ignition connection points. Confirm vehicle year, make, and model against the listed fitment before installation. For best results, inspect related ignition components at the same time, including plugs and distributor or coil connections where applicable.

Quality Assurance

Karlyn-STI is the product line identified for this ignition wire set, and the OEM boot design supports OE-style service expectations for the listed applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.