Autolite AP63 Spark Plug

Autolite Platinum Spark Plug AP63

The Autolite Platinum Spark Plug AP63 is an OE-style replacement spark plug built for dependable ignition performance across a wide range of import and domestic applications. With platinum center electrode materials, a 0.032 in. pre-gap, and a resistor design, it supports easier starts, quicker throttle response, and improved fuel economy in the vehicles listed below.

Key Features

• Platinum center electrode tip and core materials for added durability versus standard copper plugs
• Pre-gapped to 0.032 in. / 0.80 mm for select applications
• Resistor type spark plug with 4000 resistance
• Flat seat, 14.0 mm thread diameter, 19.5 mm reach, and 13/16 in. hex size
• Ceramic insulator with mid-projection design for OE-style fit and function
• Compatible with a broad range of vehicles including Mitsubishi Eclipse, Volkswagen Jetta, and Chevrolet Metro applications

Product Details

Autolite Platinum Spark Plug AP63 is part of the Platinum Spark Plug line, which focuses on OE replacement fitment and long service life. This plug uses platinum on the center electrode to help maintain consistent performance over time, while the nickel ground electrode and tapered tip design support stable ignition under everyday driving conditions. It is a direct-fit style spark plug for many older and newer applications where the specified gap and reach match the vehicle requirements.

This part cross-references Champion Spark Plug 300 and FEL-PRO 1034 for the same application.

Common Issues This Spark Plug Can Address

• Hard starting caused by worn or fouled spark plugs
• Rough idle from inconsistent ignition firing
• Reduced acceleration response from weak spark delivery
• Poor fuel economy related to degraded plug performance
• Misfire symptoms in high-mileage ignition systems

Fitment Notes and Installation Tips

• Fits 2003 Mitsubishi Lancer, N/A
• Fits 2000 Chevrolet Metro, N/A
• Fits 1999 Chevrolet Metro, N/A
• Fits 1998 Chevrolet Metro, N/A
• Fits 1992 Chevrolet Metro, N/A
• Fits 1994-2000 Pontiac Firefly, N/A
• Fits 1990-1991 Pontiac Firefly, N/A
• Fits 1990-1999 Mitsubishi Eclipse, N/A
• Fits 1996-1999 Volkswagen Golf, N/A
• Fits 1996-1999 Volkswagen Jetta, N/A

Verify the specified gap for your application before installation, especially on vehicles that call for 0.028 in., 0.032 in., 0.035 in., 0.040 in., 0.042 in., 0.043 in., 0.044 in., or 0.045 in. Use the vehicle service specification for final gap confirmation. This plug is listed across many Mitsubishi Eclipse, Volkswagen Jetta, and Chevrolet Metro applications, so matching the exact year and engine requirement is important before installation.

Quality Assurance

Autolite supplies ignition products to the automotive aftermarket and original equipment manufacturers, and this Platinum Spark Plug AP63 is built to OE form, fit, and function standards for the listed applications.