NGK 52347 Spark Plug Wire Set

NGK Spark Plug Wire Set for Ford V8 Applications

NGK Spark Plug Wire Set 52347 is a specific-fit ignition wire set built with blue silicone insulation, noise suppression, and an SMag core material. It is intended for older Ford, Lincoln, and Mercury applications where stable spark delivery and reduced electrical interference matter.

NGK’s Spark Plug Wire Set line reflects the brand’s long OE-focused ignition experience, with replacement ignition components engineered to meet durability and operational performance expectations for domestic and import vehicles. Part number 52347 is also identified by NGK RC-FDZ008.

Key Features

• Blue silicone insulation for heat resistance and flexible routing
• Noise suppression type construction to help reduce ignition interference
• SMag core material for consistent spark transfer
• Specific-fit design for direct application matching
• Insulation outside diameter: 8.00
• NGK part number 52347 / RC-FDZ008

Detailed Description

This NGK spark plug wire set is built for direct replacement on select Ford, Lincoln, and Mercury vehicles, including 1977-1979 Ford F-100, F-150, F-250, F-350, Bronco, Thunderbird, 1977-1978 Ford LTD, 1982 Ford E-250 Econoline Club Wagon, E-350 Econoline, E-350 Econoline Club Wagon, F-250, F-350, and 1977-1979 Lincoln Continental, Mercury Cougar, Grand Marquis, and Marquis. It is also listed for 1977-1979 Ford F-250 and F-350 applications.

Use NGK 52347 when you need a replacement ignition wire set that supports reliable spark delivery and helps maintain clean electrical signal routing in classic Ford V8 engine bays. This part cross-references Gates 6854 and DENSO Auto Parts 671-8094 for the same application.

What It Helps Address

• Misfires caused by worn or heat-damaged plug wires
• Ignition noise that can interfere with electrical systems
• Hard starting related to weak spark transfer
• Rough idle from deteriorated wire insulation or core wear
• Voltage leakage from aging ignition leads

Installation Notes and Tips

Verify engine and vehicle application before ordering, since this is a specific-fit wire set. Route each lead away from hot exhaust components and sharp edges, and match the original wire routing to preserve ignition performance. Inspect distributor cap, spark plugs, and coil connections at the same time to avoid repeat ignition issues.

Quality Assurance

NGK is an ignition-focused brand with extensive OE experience and a long history of manufacturing replacement ignition components to support durability and operational performance. Part number 52347 is part of NGK’s Spark Plug Wire Set line for domestic vehicle applications.