Description

The CMT-3854130Z is a zinc gimbal (transom) plate anode designed for Volvo Penta SX and DP-SM sterndrives. Mounted directly to the gimbal/transom plate assembly, it provides essential sacrificial protection—corroding in place of expensive drive components.

Engineered from marine-grade zinc, this anode is optimized for saltwater use, delivering stable and predictable corrosion protection for sterndrive systems.

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Key Features

• Direct replacement for Volvo Penta OEM 3854130
• Designed for SX / DP-SM sterndrive gimbal plate
• Marine-grade zinc alloy construction
• Bolt-on plate design for full surface coverage
• Protects gimbal housing and transom assembly
• OEM-spec fit and performance

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Application / Compatibility

Fits Volvo Penta sterndrives including:

• SX series (SX-M, SX-C, SX-R, SX variants)
• DP-SM / DP-S / DP-SMTD series

Common across multiple gear ratios and drive configurations

Installed on:

• Gimbal plate / transom shield
• Sterndrive mounting assembly

Protects:

• Gimbal housing
• Transom assembly
• Adjacent underwater metals

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Serial Number Fitment Notice

Always confirm:

• Drive model (SX / DP-SM variants)
• OEM reference (3854130)
• Mounting dimensions and hole spacing

Correct fitment ensures proper contact and protection.

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When This Part Needs Replacement

• Anode is 50–70% consumed
• Uneven wear or pitting
• Loss of material thickness
• Routine seasonal service

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Installation Notes

• Install on clean, bare metal surface
• Ensure tight, even mounting
• Do not paint the anode
• Replace mounting hardware if corroded
• Inspect regularly in saltwater use

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Alternate / Superseded Part Numbers

• Volvo Penta: 3854130
• Camp Company: CMT-3854130Z
• Martyr: CM3854130Z
• Cross references: CDZ9-113, 00718
• Aluminum version available
• Magnesium version available for freshwater

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Parts Desk Insight

This is one of the primary protection anodes on Volvo SX drives. If this one is neglected, corrosion goes straight into the gimbal plate and transom assembly—two of the most expensive parts to repair. Always replace this anode proactively, even if others still look serviceable.

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Shipping

Shipping: Ships same or next day for fast Canada wide shipping.