Denso 671-4270 Spark Plug Wire Set

Denso 671-4270 Spark Plug Wire Set

Denso 671-4270 is a First Time Fit spark plug wire set built to match factory-installed form, fit, color, and performance. It is a direct ignition wire replacement for 2003-2006 Mitsubishi Lancer applications with 5mm wire diameter, making it a focused choice for Mitsubishi Lancer ignition service.

Key Features

• OE-style ignition wire set for factory-like fit and routing
• 5.00 mm insulation outside diameter for the specified application
• Sil PBT Sil spark plug boot material for heat and durability support
• 180-degree spark plug end boot configuration
• Female spark plug end terminal type with male distributor/coil end terminal type
• Built to meet or exceed OE/OES standards in construction

Product Details

The Denso 5mm line focuses on precise ignition wire replacement for vehicles that require OE-matched dimensions and terminal styles. Part number 671-4270 is engineered for 2003-2006 Mitsubishi Lancer models and follows the original equipment layout closely, helping maintain proper spark delivery and consistent ignition performance. This part cross-references NGK ME96 for the same application.

For shoppers searching for a 2003 Mitsubishi Lancer spark plug wire set, a 2004-2006 Mitsubishi Lancer ignition wire replacement, or Denso 671-4270 for Mitsubishi Lancer 5mm wires, this part provides a direct-fit option aligned with the factory configuration.

What It Helps Address

• Misfires caused by worn or damaged ignition wires
• Hard starting related to weak spark transfer
• Rough idle from deteriorated wire insulation or terminals
• Voltage leakage across aging ignition leads
• Loss of ignition consistency under load

Installation Notes and Tips

Verify the vehicle year and engine application before installation. Match each wire to the original routing and terminal orientation, especially the 180-degree spark plug boot and the male distributor/coil end terminal type. Inspect related ignition components such as spark plugs and coil connections during replacement to help maintain proper system performance on Mitsubishi Lancer models.

Quality Assurance

Denso First Time Fit ignition wire sets are built to OE/OES-level construction standards and are intended to mirror factory-installed specifications for fit and performance. The 5mm Denso 671-4270 wire set is manufactured to support consistent ignition service for the listed Mitsubishi Lancer applications.