Description
Mercury 8M0135965 Anode Plug Kit
Mercury 8M0135965 is a genuine Mercury part that helps prevent galvanic corrosion on select Mercury lower-horsepower outboards. This anode plug kit includes the anode plug, O-ring, anode, and screw for specified 8-30 HP applications.

Key Features
- Genuine Mercury anode plug kit
- Helps prevent galvanic corrosion on compatible outboards
- Contains anode plug, O-ring, anode, and screw
- Used in lower horsepower engines as an accessory where specified
- Material tested for durability and longevity in marine environments
Fitment / Product Details
- Brand: Mercury Precision
- Part Number: 8M0135965
- BU Part ID: 8M0135965
- Product Type: Anode Plug Kit
- Application: Select Mercury 8-30 HP EFI FourStroke and 25-30 HP TwoStroke outboards where specified
- Engine Style: Outboard
- HP Range: 8-30 HP
- UPC: 745061910218
- Country of Origin: JP
- Package Quantity: Each
- Package Dimensions: 2.8 in L x 2.3 in W x 0.9 in H
- Package Weight: 0.07 lb
- Fitment Note: Confirm compatibility by part number, model, horsepower, serial number/model year, engine displacement, parts diagram, owner’s manual, or service manual before ordering.
Expanded Fitment
- Mercury 8/9.9 HP EFI 2-cylinder 209cc FourStroke outboards, serial number 1R281445 and above
- Mercury 9.9 HP EFI 2-cylinder 333cc FourStroke outboards, serial number 1R008146 through 1R278792
- Mercury 10-20 HP EFI 2-cylinder FourStroke outboards, serial number 0R833820 and above
- Mercury 25/30 HP EFI 3-cylinder FourStroke outboards, serial number 0R106999 through 1R162636
- Mercury 25/30 HP EFI 3-cylinder FourStroke outboards, serial number 1R154758 and above
- Mercury 25-30 HP 2-cylinder TwoStroke outboards, serial number 0N055505 and above
What’s Included
- One anode plug
- One O-ring
- One anode
- One screw
Why You Should Buy
- Correct genuine Mercury corrosion-protection service part for applications that specify 8M0135965
- Helps protect compatible outboards from galvanic corrosion
- Includes the small components needed for the anode plug assembly
- Backed by Mercury engineering, testing, and manufacturing standards
Common Applications
- Anode plug kit replacement on compatible Mercury 8-30 HP outboards
- Corrosion protection service on specified lower-horsepower EFI FourStroke applications
- Routine maintenance when the original anode is worn or depleted
FAQ
- What is included with this kit? It includes the anode plug, O-ring, anode, and screw.
- What does this kit do? It helps prevent galvanic corrosion on compatible Mercury outboards.
- Does this fit every Mercury 8-30 HP outboard? No. Confirm by part number, serial number range, model, and engine configuration before ordering.
- Is this for FourStroke or TwoStroke engines? The supplied fitment includes select EFI FourStroke models and select 25-30 HP 2-cylinder TwoStroke models.
- Need help confirming fitment? Contact us before ordering and our parts team can help verify compatibility: Ask a Parts Pro.



