Caldwell Casting C1500A 1-1/2" Streamlined Aluminum Shaft Anode

The Caldwell Casting C1500A is a 1-1/2 inch streamlined aluminum shaft anode designed to provide superior corrosion protection for propeller shafts in marine applications. This two-piece collar-style anode is manufactured from Navalloy aluminum alloy to military specification MIL-DTL-24779.

Key Features:

• Two-piece clamshell design for easy installation around the shaft
• Stainless steel hardware included with pressed-in nuts
• Plastic retaining washers keep bolts captive during assembly
• Patented red spot wear indicator shows when replacement is needed
• Interlocking halves with extra alloy around fasteners for durability
• Navalloy aluminum lasts up to 30% longer than zinc anodes

Technical Specifications:

• Shaft diameter: 1-1/2 inches (38mm)
• Overall length: 2-1/2 inches (64mm)
• Width: 2-1/2 inches (64mm)
• Weight: 0.53 lbs
• Material: Navalloy aluminum alloy (95% aluminum, 5% zinc, trace indium)

This anode is suitable for use in all water types including salt, brackish, and fresh water, and can be used with any hull material. The streamlined profile minimizes drag while providing effective galvanic protection. Replaces X7 cross-reference.