NGK 5659 Spark Plug Wire Set

NGK Spark Plug Wire Set 5659 Overview

NGK Spark Plug Wire Set 5659 is a specific-fit ignition wire set built with silicone insulation, noise suppression, and a Mag (Var. Pitch) core. It is engineered for direct replacement use on select Mazda applications, including Mazda Miata, Mazda Protege, and Mazda Protege5.

NGK’s Spark Plug Wire Set line draws on the brand’s long OE-focused ignition experience and is built to meet the durability and operational performance expected in replacement ignition parts. Part number 5659 is also identified by NGK part number RC-ZE76.

• Specific-fit spark plug wire set for select Mazda vehicles
• Blue silicone insulation for heat resistance and flexibility
• Noise suppression type included
• Mag (Var. Pitch) core material
• Insulation outside diameter: 5.00
• NGK part number 5659 / RC-ZE76

Vehicle Fitment

• Fits 2001-2005 Mazda Miata, N/A; set includes 2 plug leads - other 2 are direct ignition.
• Fits 2001-2003 Mazda Protege, N/A; set includes 2 plug leads - other 2 are direct ignition.
• Fits 2002-2003 Mazda Protege5, N/A; set includes 2 plug leads - other 2 are direct ignition.

Detailed Description

NGK 5659 is a replacement spark plug wire set for Mazda ignition service where a specific-fit solution is required. The silicone insulation helps support stable routing and durability in the engine bay, while the noise suppression design and Mag (Var. Pitch) core are selected to help maintain clean ignition performance. This part is a practical choice for Mazda Miata, Mazda Protege, and Mazda Protege5 models listed in the fitment data.

This part cross-references Monroe Shocks & Struts (e.g., 5659) for the same application.

Common Replacement Uses

• Replacing worn or heat-aged ignition wires
• Addressing ignition noise suppression concerns
• Restoring consistent spark delivery on select Mazda engines
• Servicing a Mazda Miata, Mazda Protege, or Mazda Protege5 with a specific-fit wire set

Installation Notes and Tips

Verify engine configuration and connector routing before installation. Match each lead to the original routing path to avoid crossfire, excess heat exposure, or tension at the terminals. Confirm the vehicle application against the listed fitment for 2001-2005 Mazda Miata, 2001-2003 Mazda Protege, and 2002-2003 Mazda Protege5.

Quality Assurance

NGK is an ignition-focused brand with extensive OE experience and a broad line of replacement ignition components. Part number 5659 is manufactured to support the durability and operational performance expected from NGK ignition products.