AE-2 for Aluminum Pencil Anode — Replaces E-2, E-2Z, CMEZ2 Anode Only

Protect your engine’s cooling system with a high-performance aluminum pencil anode designed for universal compatibility and reliable corrosion protection in salt, brackish, or fresh water. Made in the USA for consistent quality and durability in demanding heat exchanger environments.

Contents

This product includes all required aluminum anodes for replacement:

● AE-2 — Qty 1 (Replaces E-2, E-2Z, CMEZ2)

Key Benefits

● Aluminum anode for engine and heat exchanger corrosion protection

● Direct replacement for E-2, E-2Z, and CMEZ2 anodes

● Aluminum alloy approved for use in all water types

● Manufactured in the USA to MIL-DTL-24779 military specification

● Securecore® central steel core prevents break-off and blockage

● Longer-lasting and more effective than traditional zinc anodes

Compatibility

Fits:

● Universal fit for engines across all major brands

● Heat exchanger systems requiring pencil anodes

Replaces OEM:

● E-2

● E-2Z

● CMEZ2

Why Aluminum Anodes?

Aluminum anodes provide superior protection in salt, brackish, and freshwater environments, making them ideal for engine and heat exchanger applications. Unlike zinc, which can degrade unevenly or become less effective, aluminum offers more consistent performance and longer service life—especially in high-temperature cooling systems.

Product Specifications

● Material: Aluminum Alloy

● Water Type: Salt, Brackish, Fresh

● Manufacturing Standard: MIL-DTL-24779

● Length: 2" (50.8 mm)

● Diameter: 5/8" (15.9 mm)

● Thread: 7/16-14 UNC

What’s Included

● Aluminum pencil anode

Ideal For

● Engine owners across all major brands

● Heat exchanger corrosion protection

● Routine maintenance and replacement

● DIY or professional installation

Not sure which pencil anode you need? Use our Pencil Anode Measurement Chart to quickly identify the correct replacement by length, diameter, thread size, and plug type.