NOS Autolite 2543 Spark Plugs – Suppressor Copper Core – USA Made

Description:

A boxed set of 4 NOS Autolite 2543 spark plugs featuring suppressor-style copper cores. Made in the USA under Allied-Signal’s aftermarket division, these plugs are ideal for late-90s and early-2000s Ford, Lincoln, and Mercury V8 applications. Cross-reference compatible with Motorcraft SP432, NGK TR55, Champion RC12YC, and

🔍 Part Number Details

• Primary Part Number: Autolite 2543

• Type: Suppressor-style copper core

• Packaging: Box of 4 plugs

• Branding: Autolite (Fram/Bendix), Allied-Signal Inc.

• Country of Origin: Made in the USA 🇺🇸

🚗 Fitment Examples

Autolite 2543 plugs are commonly used in:

• Ford 4.6L and 5.4L V8 engines (late 1990s–early 2000s)

• Lincoln Town Car, Navigator, and Continental

• Mercury Grand Marquis and Mountaineer

• Some Dodge and Jeep V8 applications with similar plug specs

Always confirm with a plug chart or service manual for exact fitment.

🔁 Cross Reference Equivalents

You can explore deeper compatibility using the Spark Plug Cross Reference Database.