1、Part Number: According to the original factory specifications, cylinder head anode replacing part number is 6G8‑11325‑00. 2、Applicable Model: Replacement for 4 Stroke: F4A, F6A, F6B, F8A, F8B, F8C, FT8D, F9.9A, F9.9B, F9.9F, F9.9H, FT9.9A, FT9.9G, F15C, F20B, F25D, FT25D, F30B, F40D, F40F, F50D, F50F, FT60D and F70A outboard. 3、Main Function: As the first line of defense, anodes are regularly inspected for optimal protection and replaced when signs of pitting corrosion are seen to help reduce maintenance costs. 4、Durable Construction: Made of high strength zinc, good resistance to oxidation, high toughness, no deformation and long service life. 5、Sophisticated Production: Produced to meet original equipment manufacturer specifications to best protect your outboard.