MG Duff 876286 Volvo Penta 110S Saildrive Propeller Ring Anode

MG Duff CM875812 Volvo Penta 876286 110S Saildrive Propeller Ring Anode – Zinc / Aluminium

The MG Duff CM875812Z and CM875812A are sacrificial propeller ring anodes designed for the Volvo Penta 110S Saildrive. Both variants correspond to Volvo Penta original part number 876286 and provide corrosion protection for electrically connected underwater metallic components of the saildrive assembly.

The series is available in two sacrificial materials: zinc (CM875812Z) and aluminium (CM875812A). Both versions have the same specified body dimensions and fixing-hole configuration.

The anode measures 140 mm in length and 43 mm in height. Its mounting arrangement includes four fixing holes with 65 mm centre spacing and a specified 5 mm stud size.

The zinc version weighs 0.92 kg, while the aluminium version weighs 0.41 kg.

Technical Specifications

Available Material Variants

Both material variants have a stated length of 140 mm, height of 43 mm and identical mounting specifications.

Volvo Penta 110S Saildrive Compatibility

The MG Duff CM875812 series is specified for:

• Manufacturer: Volvo Penta
• Saildrive Model: 110S
• Volvo Penta OEM Part Number: 876286
• Application: Propeller Ring Anode

This anode is intended for the corresponding propeller ring mounting position on the Volvo Penta 110S Saildrive.

Before ordering, verify the original Volvo Penta part number and compare the replacement anode dimensions and mounting-hole arrangement with the existing component.

Propeller Ring Anode Dimensions and Mounting

The CM875812 series features a ring-shaped sacrificial anode body with four fixing holes.

• Specified length: 140 mm
• Height: 43 mm
• Number of fixing holes: 4
• Fixing-hole centre spacing: 65 mm
• Stud size: 5 mm

The 65 mm centre spacing refers to the supplied mounting-hole measurement. The original anode or technical drawing should be used to confirm the complete four-hole pattern.

A separate width or inside diameter has not been provided in the technical specifications.

Zinc and Aluminium Sacrificial Corrosion Protection

The MG Duff CM875812 series is available in two materials:

• Zinc – CM875812Z: Weighs 0.92 kg and is commonly used for sacrificial galvanic corrosion protection in saltwater marine environments.
• Aluminium – CM875812A: Weighs 0.41 kg and is specified for suitable saltwater and brackish-water applications.

When correctly installed with suitable electrical continuity to metallic components requiring protection, the sacrificial anode material corrodes preferentially, helping reduce galvanic corrosion of electrically connected underwater saildrive components.

Select the appropriate material according to the vessel's operating water conditions and Volvo Penta's corrosion protection recommendations.

Inspection and Replacement

Inspect the propeller ring anode periodically during routine Volvo Penta Saildrive maintenance. Replace it when the sacrificial material becomes significantly depleted, physically damaged or no longer securely attached.

Before fitting a replacement:

• Confirm the Volvo Penta 110S Saildrive application.
• Verify Volvo Penta OEM reference 876286.
• Check the 140 mm length and 43 mm height.
• Confirm the four fixing holes and specified 65 mm centre spacing.
• Check the 5 mm stud size.
• Inspect the mounting surfaces and follow the applicable Volvo Penta maintenance instructions.

Part Numbers and Cross-References

• MG Duff Zinc: CM875812Z
• MG Duff Aluminium: CM875812A
• Volvo Penta OEM: 876286
• Compatible Saildrive: 110S
• Zinc Weight: 0.92 kg
• Aluminium Weight: 0.41 kg

Scope of Supply

1 × MG Duff Volvo Penta 110S Saildrive Propeller Ring Anode in the selected material:

• CM875812Z – Zinc; or
• CM875812A – Aluminium.

Mounting hardware inclusion is not specified in the supplied product information.