Autolite HT2 Spark Plug

Autolite HT2 Platinum Spark Plug Overview

Autolite HT2 is a platinum spark plug built for Ford 3V applications that call for a high-thread design and OE-style fitment. It is engineered for a more complete seal, improved heat transfer, and focused ignition performance in select Ford, Lincoln, and Mercury truck and Mustang applications.

The Autolite Platinum Spark Plug line is positioned as an OE-style replacement option for drivers who want factory-matched form, fit, and function with platinum center electrode durability and a fine-wire design.

Key Features

• Platinum center electrode tip material for durable ignition performance
• Fine wire center electrode design for focused spark delivery
• 0.035 in. pre-gap, preset from the factory
• 5000 ohm resistor design for ignition noise control
• Tapered seat and 0.750 in. reach
• 16.0 mm thread diameter with 9/16 in. hex size
• Ceramic extra-long special insulator for high-thread Ford applications
• Nickel ground electrode with tapered tip design

Detailed Description

Autolite HT2 spark plugs are designed for specific Ford 3V engines and high-thread applications where OE-style geometry matters. The plug uses a copper core center electrode with a platinum tip, a nickel ground electrode, and a ceramic insulator to support stable ignition and consistent heat transfer. For buyers searching for an Autolite HT2 spark plug for Ford F-250 Super Duty, Ford F-350 Super Duty, or Ford Mustang applications, this part number matches the listed fitment and factory-style requirements.

This part cross-references PZT2F for the same application. Autolite HT2 is also a practical search match for drivers looking for a platinum spark plug for 2004-2005 Ford F-150, 2005 Ford Mustang, or 2005-2008 Ford Super Duty trucks with the specified high-thread configuration.

Vehicle Fitment

• Fits 2008 Ford F-250 Super Duty, N/A — High Thread Spark Plug
• Fits 2008 Ford F-350 Super Duty, N/A — High Thread Spark Plug
• Fits 2007 Ford F-250 Super Duty, N/A — Black Ignition Coil Boot; Do Not Gap, Gap is Preset; OE Style; Platinum Spark Plug
• Fits 2007 Ford F-350 Super Duty, N/A — Black Ignition Coil Boot; Do Not Gap, Gap is Preset; OE Style; Platinum Spark Plug
• Fits 2005-2006 Ford F-250 Super Duty, N/A — Standard Plug; Do Not Gap, Gap is Preset; OE Style; Platinum Spark Plug
• Fits 2005-2006 Ford F-350 Super Duty, N/A — Standard Plug; Do Not Gap, Gap is Preset; OE Style; Platinum Spark Plug
• Fits 2004-2005 Ford F-150, N/A — High Thread Spark Plug
• Fits 2005 Ford Mustang, N/A — High Thread Spark Plug

Installation Notes and Tips

• Do not gap this plug; the gap is preset.
• Verify the engine uses the listed high-thread or standard plug configuration before installation.
• Use the correct 9/16 in. hex socket and follow the vehicle service procedure for torque and removal.
• Inspect coil boots and ignition components during spark plug service, especially on Ford 3V engines.

Quality Assurance

Autolite supplies ignition products to the automotive aftermarket and original equipment manufacturers, and this spark plug is built to OE-style form, fit, and function for the listed Ford applications. The HT2 part number is engineered around the specified heat ranges and thread design required by these engines.