OEM Style Square Plugs and Zinc Anodes for
Caterpillar Marine Engines

The anodes below are for Caterpillar marine engines that prefer to use OEM style Square plugs and zinc anodes.  If your engine uses Hex plugs, click here.

For a list of various Caterpillar engine anode configurations see below:

• Caterpillar C7 Engine Anodes (pdf)
• Caterpillar C9 Engine Anodes (pdf)
• Caterpillar C12 Engine Anodes (pdf)
• Caterpillar C18 Engine Anodes (pdf)
• Caterpillar C30 Engine Anodes (pdf)
• Caterpillar C32 Engine Anodes (pdf)
• Caterpillar 3196 Engine Anodes (pdf)
• Caterpillar 3208 Engine Anodes (pdf)
• Caterpillar 3306 Engine Anodes (pdf)
• Caterpillar 3406E Engine Anodes (pdf)