Description
The Autolite 2546 Copper Spark Plug is designed to deliver reliable performance, quick starts, and consistent ignition for everyday driving applications. Built with a copper core center electrode, it provides excellent heat transfer and helps reduce fouling, ensuring dependable engine operation.
Engineered with durability in mind, this spark plug features a corrosion-resistant nickel-plated shell and high nickel alloy electrodes for extended service life. The high alumina ceramic insulator enhances strength and thermal conductivity, making it a solid choice for maintaining optimal engine performance in standard applications.
Features:
- Copper core center electrode for improved heat dissipation and fouling resistance
- Nickel-plated shell for corrosion resistance and long-lasting durability
- High nickel alloy center and ground electrodes for extended life
- High alumina ceramic insulator for superior strength and insulation
- Designed for quick starts and consistent engine performance
- Ideal for everyday driving and standard replacement applications
- Backed by a 2-year limited warranty
Specifications:
- Brand: Autolite
- Part Number: 2546
- Resistor: Yes (5,000 Ohms)
- Electrode Material: Nickel (center and ground)
- Center Electrode Core: Copper
- Thread Size: M14 x 1.25
- Thread Diameter: 14 mm
- Hex Size: 5/8"
- Seat Type: Tapered
- Pre-Gap: 1.4 mm
- Heat Range: 7
- Ground Electrode Quantity: 1
- Terminal Type: Non-removable nut
- Insulator Material: Ceramic
- Center Electrode Design: Standard (long projection)
Fitment Highlights:
Compatible with select Ford and Mercury vehicles equipped with 3.8L V6 engines, including:
- Ford LTD (1984–1986)
- Ford Mustang (1984–1986)
- Ford Thunderbird (1984–1987)
- Mercury Capri (1984–1986)
- Mercury Cougar (1984–1987)
- Mercury Marquis (1984–1986)
(Always verify exact fitment by year, make, model, and engine.)
