NGK 52370 Spark Plug Wire Set

NGK Spark Plug Wire Set for Ford V8 Applications

The NGK Spark Plug Wire Set, part number 52370, is a specific-fit ignition wire set built for select Ford, Lincoln, and Mercury vehicles from 1976-1987. It uses blue silicone insulation, a suppression-style design, and an SMag core to support stable spark delivery and reduced electrical noise.

Key Features

• Specific-fit spark plug wire set for confirmed vehicle applications
• Blue silicone insulation for heat resistance and durability
• Noise suppression type to help reduce ignition interference
• SMag core material for consistent ignition performance
• 8.00 mm insulation outside diameter
• NGK part number 52370 / RC-FDZ007

Product Line Details

NGK Spark Plug Wire Set products are part of NGK’s ignition line, which includes spark plugs, glow plugs, ignition coils, coil-on-plug boots, and wire sets. NGK applies its OE-focused manufacturing experience to replacement ignition components for domestic and import vehicles, with attention to durability and operational performance.

Detailed Description

This NGK 52370 spark plug wire set is engineered for direct replacement on a wide range of classic Ford truck and car platforms, including the Ford F-150, Ford F-250, Ford F-350, Ford Bronco, Ford E-150 Econoline, Ford E-250 Econoline, Ford E-350 Econoline, Lincoln Continental, and Mercury Cougar. It is also listed for additional applications such as the Ford LTD, Mustang, Thunderbird, Fairmont, and Mercury Marquis. The silicone jacket and suppression design support dependable ignition routing in older engine bays where heat and electrical noise control matter.

This part cross-references DENSO Auto Parts 671-8076 and Gates 6823 for the same application.

Common Issues This Part Can Address

• Misfires caused by worn or deteriorated ignition wires
• Hard starting related to weak spark transfer
• Ignition noise that can interfere with electrical systems
• Cracked or heat-aged wire insulation
• Rough idle from inconsistent spark delivery

Installation Notes and Tips

Verify engine application and routing before installation, especially on older Ford, Lincoln, and Mercury models with multiple ignition configurations. Match each lead to the correct cylinder and keep the wires separated from hot exhaust components and sharp edges. Confirm the part number 52370 and RC-FDZ007 against the vehicle’s ignition layout before final installation.

Quality Assurance

NGK is known for OE-focused ignition manufacturing and global automotive experience. This spark plug wire set is produced to meet durability and operational performance expectations associated with NGK replacement ignition parts.