Champion 332 Spark Plug

Champion Copper Plus 332 Spark Plug

Champion Copper Plus 332 is a resistor spark plug built for dependable ignition performance and steady heat control. Its copper core electrode improves conductivity, while nickel-based electrode materials support consistent wear characteristics in everyday driving and classic vehicle applications.

Key Features

• Copper core electrode for improved conductivity and heat transfer
• Nickel center electrode tip and nickel ground electrode core material
• Resistor type spark plug for ignition noise suppression
• Flat seat design with 14 mm thread diameter and 0.75 in reach
• Pre-gapped at 0.025 in / 0.64 mm
• Removable nut terminal for common ignition wire compatibility
• Champion Copper Plus classification, part number 332

Product Details

The Champion Copper Plus line focuses on straightforward, dependable ignition service with a copper core for better conductivity and heat control. This construction supports stable spark delivery and even wear, making Champion 332 a practical choice for vehicles that call for the RN7YC plug type. It is a resistor spark plug with a flat seat, 20.65 mm hex size, and nickel copper alloy ground electrode material.

Champion 332 is listed for a wide range of applications, including Porsche 911, Porsche 944, Mitsubishi Lancer, Pontiac Firefly, and other import and performance vehicles that specify the RN7YC configuration. This part cross-references Bosch 4038 for the same application.

Common Issues This Spark Plug Can Address

• Hard starting caused by worn or fouled spark plugs
• Rough idle from inconsistent spark delivery
• Misfire conditions related to electrode wear
• Reduced throttle response from weak ignition performance
• Maintenance replacement for vehicles using the RN7YC plug type

Installation Notes and Fitment Tips

Verify the plug type, thread diameter, reach, seat style, and heat range before installation. Champion 332 is a direct fit for applications such as 2003-2005 Mitsubishi Lancer, 1994-1999 Pontiac Firefly, 1980-1983 Porsche 911, and 1968-1971 Jaguar XJ when the listed plug specifications match the vehicle requirement. Fitment also includes 1983-1986 Audi Quattro, 1983-1985 Ferrari Mondial, 1989-1991 Porsche 944, and 1960-1966 Mercedes-Benz 300D/300SE/300SEL applications shown in the catalog data.

• Fits 2003-2005 Mitsubishi Lancer, N/A
• Fits 2000 Pontiac Firefly, N/A
• Fits 1994-1999 Pontiac Firefly, N/A
• Fits 1991-1992 Porsche 911, N/A
• Fits 1989-1991 Maserati Spyder, N/A
• Fits 1986-1987 Maserati Spyder, N/A
• Fits 1989-1991 Porsche 944, N/A
• Fits 1989-1990 Maserati 228i, N/A
• Fits 1989-1990 Maserati 430i, N/A
• Fits 1989 Mitsubishi Starion, N/A
• Fits 1987-1989 Pontiac Grand Am, N/A
• Fits 1982-1988 Lamborghini Jalpa, N/A
• Fits 1986-1987 Maserati 425, N/A
• Fits 1983-1987 Maserati Biturbo, N/A
• Fits 1983-1986 Audi Quattro, N/A
• Fits 1983-1985 Ferrari Mondial, N/A
• Fits 1980-1985 Ferrari Mondial 8, N/A
• Fits 1980-1983 Porsche 911, N/A
• Fits 1969-1971 Porsche 911, N/A
• Fits 1981-1982 Lamborghini Countach, N/A
• Fits 1974-1976 Lamborghini Countach, N/A
• Fits 1980 Honda Prelude, N/A
• Fits 1978-1979 Honda Civic, N/A
• Fits 1974-1977 Porsche 911, N/A
• Fits 1972-1973 Porsche 911, N/A
• Fits 1965-1968 Porsche 911, N/A
• Fits 1968-1971 Jaguar XJ, N/A
• Fits 1963-1970 Maserati Quattroporte, N/A
• Fits 1960-1966 Mercedes-Benz 300SE, N/A
• Fits 1963-1966 Mercedes-Benz 300SEL, N/A
• Fits 1958-1962 Mercedes-Benz 300D, N/A
• Fits 1949-1954 Rolls-Royce Silver Dawn, N/A

Quality Assurance

Champion Copper Plus 332 is built around a copper core electrode and nickel electrode materials for consistent conductivity and heat control in service. The RN7YC plug specification and resistor design support reliable ignition system operation across the listed fitments.