NGK 52330 Spark Plug Wire Set

NGK Spark Plug Wire Set for Ford and Mercury

NGK Spark Plug Wire Set 52330 is a specific-fit ignition wire set built for select Ford, Lincoln, and Mercury applications from 1979-1991. It uses blue silicone insulation, a suppression-style design, and an SMag core to support stable spark delivery and reduced electrical noise in the ignition system.

Key Features

• Specific-fit NGK spark plug wire set for confirmed vehicle applications
• Blue silicone insulation for heat resistance and durability
• Noise suppression type for cleaner ignition signal routing
• SMag core material for ignition performance support
• 8.00 mm insulation outside diameter
• NGK part number 52330, also referenced as RC-FDZ022

Product Details

NGK Spark Plug Wire Set 52330 is part of the NGK Spark Plug Wire Set line, backed by NGK’s long OE-focused ignition experience and broad coverage for domestic and import vehicles. This ignition wire set is engineered as a direct replacement for specific Ford Bronco, Ford LTD Crown Victoria, Ford E-Series vans, Ford F-Series trucks, Lincoln Continental, Lincoln Mark VI, Mercury Grand Marquis, Mercury Marquis, Mercury Cougar, and Mercury Thunderbird applications listed in the fitment data. For buyers searching for a Ford F-150 spark plug wire set, Mercury Grand Marquis ignition wire replacement, or NGK 52330 wire set for older Ford V8 applications, this part provides a targeted fitment match.

This part cross-references DENSO Auto Parts 671-8074 and Gates 6898 for the same application.

What It Helps Address

• Misfires caused by worn or deteriorated ignition wires
• Hard starting related to weak spark transfer
• Ignition noise that can interfere with system operation
• Cracked or heat-aged wire insulation
• Voltage leakage across aging spark plug leads

Installation Notes and Fitment

Verify engine configuration and emissions equipment before ordering. Fitment includes 1979-1984 Ford Bronco; 1980-1983 Ford E-100 Econoline, E-100 Econoline Club Wagon, E-150 Econoline, E-150 Econoline Club Wagon, E-250 Econoline, E-250 Econoline Club Wagon, E-350 Econoline, E-350 Econoline Club Wagon, F-150, F-250, and F-350; 1981-1983 Ford LTD; 1988-1991 Ford LTD Crown Victoria; 1980 Ford LTD with Federal Emission System; 1979 Ford LTD with California Emission System; 1980-1984 Lincoln Continental and Mark VI; 1980-1989 Mercury Grand Marquis; 1980-1981 Mercury Marquis; 1979-1980 Mercury Grand Marquis and Marquis with Federal or California Emission System; and 1979 Mercury Cougar and Thunderbird with California Emission System. Some 1984 Ford applications are listed without Electronic Engine Controls IV (E.E.C. IV).

Quality Assurance

NGK manufactures ignition products to OE-level durability and operational performance standards, supported by global automotive experience and broad vehicle coverage. Part number 52330 is built for specific-fit replacement use on the listed applications.