Autolite APP106 Spark Plug

Autolite Double Platinum Spark Plug APP106

Autolite Double Platinum Spark Plug APP106 is a premium OE-style ignition component built for consistent firing, easier starts, quicker acceleration, and improved fuel efficiency. It uses platinum on both the center and ground electrodes for longer service life and stable performance in a wide range of domestic applications, including Chevrolet Impala, Buick Lucerne, and Pontiac G6.

Key Features

• Double platinum firing design for extended spark plug life
• Platinum center electrode and platinum ground electrode tip
• 0.050 in. pre-gap size, 14 mm thread diameter, 0.679 in. reach
• Resistor spark plug with 4,000 ohm resistance
• Ceramic insulator with mid-projection design
• 5/8 in. hex size and tapered seat construction
• OE form, fit, and function for many foreign and domestic vehicles

Product Details

The Autolite Double Platinum Spark Plug line is engineered for drivers who want a direct replacement spark plug with OE-style dimensions and dependable ignition performance. APP106 uses platinum-to-platinum firing to help maintain consistent spark quality over time, while the tapered ground electrode tip and standard center electrode design support reliable combustion. This part number is a practical choice for service on vehicles such as Chevrolet Malibu, Pontiac G6, and Buick Lucerne when the application calls for this specification.

This part cross-references 41-904 for the same application.

Common Issues It Can Address

• Hard starting caused by worn spark plugs
• Rough idle from weak or inconsistent ignition output
• Slow throttle response during acceleration
• Reduced fuel economy related to degraded spark performance
• Misfire symptoms tied to aged plugs

Installation Notes and Tips

• Verify the vehicle’s required gap before installation; listed pre-gap is 0.050 in. (1.30 mm).
• Confirm thread diameter, reach, seat type, and hex size match the engine specification.
• Use the vehicle service manual for torque and tightening procedure.
• Check the ignition system and coil condition if misfire symptoms remain after replacement.
• For fitment verification, match the application notes for each vehicle and engine configuration.

Quality Assurance

Autolite supplies ignition products for the automotive aftermarket and original equipment channels, with OE-style form, fit, and function emphasized across its spark plug lineup. APP106 is built to meet the dimensional and performance requirements listed for the confirmed applications.

• Fits 2009-2011 Buick Lucerne, N/A
• Fits 2006-2011 Chevrolet Impala, N/A
• Fits 2006-2010 Chevrolet Malibu, N/A
• Fits 2006-2010 Pontiac G6, N/A
• Fits 2008-2010 Saturn Vue, N/A
• Fits 2006-2009 Chevrolet Uplander, N/A
• Fits 2006-2009 Pontiac Montana, N/A
• Fits 2007-2008 Saturn Aura, N/A
• Fits 2006-2007 Buick Terraza, N/A
• Fits 2006-2007 Chevrolet Monte Carlo, N/A
• Fits 2006-2007 Saturn Relay, N/A
• Fits 1993-1997 Chevrolet Camaro, N/A
• Fits 1994-1997 Pontiac Firebird, N/A
• Fits 1994-1996 Buick Roadmaster, N/A
• Fits 1995-1996 Cadillac Commercial Chassis, N/A
• Fits 1995-1996 Cadillac Fleetwood, N/A
• Fits 1994-1996 Chevrolet Caprice, N/A
• Fits 1992-1996 Chevrolet Corvette, N/A
• Fits 1994-1996 Chevrolet Impala, N/A
• Fits 1994 Chevrolet Commercial Chassis, N/A
• Fits 1983 Ford F-100, N/A
• Fits 1983 Ford LTD, N/A
• Fits 1983 Ford Mustang, N/A
• Fits 1983 Ford Thunderbird, N/A
• Fits 1983 Mercury Capri, N/A
• Fits 1983 Mercury Cougar, N/A
• Fits 1983 Mercury Marquis, N/A
• Fits 1975-1976 Ford Pinto, N/A
• Fits 1975-1976 Mercury Bobcat, N/A
• Fits 1975-1976 Mercury Capri, N/A
• Fits 1974 Ford Pinto, N/A