Autolite APP5224 Spark Plug

Autolite APP5224 Double Platinum Spark Plug

Autolite APP5224 is a Double Platinum spark plug built for OE-style fitment and steady ignition performance. It uses platinum on both the center and ground electrodes for platinum-to-platinum firing, helping deliver consistent starts, responsive acceleration, and improved fuel economy in the right applications.

Compatible With a wide range of import and domestic vehicles, including Honda Civic, Jeep Compass, and Volkswagen Jetta applications, this plug is a direct replacement choice for drivers maintaining factory-style ignition performance. The APP5224 part number is also a useful reference when cross-shopping OE-style replacements.

Key Features

• Double platinum firing design for longer service life
• Platinum center electrode tip and platinum ground electrode tip
• 0.044 in. / 1.10 mm pre-gap specification
• 14 mm thread diameter with 0.750 in. reach
• 5/8 in. hex size and flat seat design
• Resistor spark plug with ceramic insulator and long projection design
• OE-style form, fit, and function for many foreign and domestic vehicles

Product Details

Autolite’s Double Platinum Spark Plug line is positioned as an OE-style replacement solution for drivers who want factory-matched dimensions and dependable ignition characteristics. APP5224 uses a platinum-to-platinum firing setup, a tapered ground electrode tip, and a standard center electrode design to support stable spark delivery in the specified applications. The resistance rating is 4000, and the plug is built with a nickel ground electrode core and ceramic insulator for everyday engine operation.

This part cross-references Champion Spark Plug 434 and Anchor 2890 for the same application.

What It Helps Address

• Hard starting caused by worn spark plugs
• Rough idle from weak or inconsistent spark
• Slow throttle response during acceleration
• Reduced fuel efficiency from degraded ignition performance
• Maintenance intervals tied to aging OE-style plugs

Installation Notes

• Verify the vehicle-specific gap before installation; listed applications commonly call for 0.043 in. to 0.044 in. (1.1 mm), with some exceptions noted in fitment data.
• Confirm thread diameter, reach, seat type, and hex size against the original plug.
• Use the fitment notes for your exact year, make, and model, especially on Honda Civic, Jeep Compass, and Volkswagen Jetta applications.
• Follow the manufacturer’s torque and service procedures for the engine being serviced.

Quality Assurance

Autolite supplies ignition products to the automotive aftermarket and original equipment manufacturers, and this spark plug is engineered to OE form, fit, and function standards for the listed applications. APP5224 is a practical OE-style replacement for drivers servicing ignition systems on vehicles such as Honda Civic, Jeep Compass, and Volkswagen Jetta models.