Volvo Penta SX Zinc Anode Kit VPSXKZ
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VPSXKZ is a zinc anode kit for Volvo Penta SX and DP-SM sterndrive applications. Current reviewed equivalent-kit references consistently describe this kit family as a complete zinc corrosion-protection set for those drives, with the core package built around the two main anodes used on the SX / DP-SM setup plus mounting hardware. Zinc kits in this family are intended for saltwater use and help protect the drive and transom components by sacrificing themselves before more critical underwater metal parts corrode.
Key Features
Current reviewed sources show the SX zinc-anode kit family includes the two main anodes commonly referenced as Volvo Penta 3854130 and 3855411, along with the required fixing bolts or fixing kit. Multiple current listings also describe these as direct-replacement zinc anodes for Volvo Penta SX / DP-SM drives.
Engine Compatibility
Current references point to drive compatibility rather than engine-only fitment. The clearest current fitment is Volvo Penta SX and DP-SM sterndrives, with additional reviewed sources listing compatibility across several SX-family variants including SX-M, SX-C, SX-C1, SX-C2, SX-CT1, SX-CT2, SX-MTD, SX-MTD3, SX-RT1, plus DP-S and DP-SM applications in the same anode family. Fitment should still be confirmed by exact drive model and anode layout before ordering.
Serial Number Fitment Notice
Anode kits can vary by drive generation, housing shape, and mounting pattern. Confirm VPSXKZ by the exact Volvo Penta drive model and by matching the installed gearhouse and transom-shield anode arrangement before ordering. That is the cleanest way to avoid ordering the wrong corrosion-protection kit for an SX-family drive.
When This Part Needs Replacement
Replace the kit when the installed anodes show clear material loss, heavy pitting, cracking, loose fitment, or uneven erosion. Volvo Penta’s current anode guidance says marine anodes should be inspected regularly and replaced when they have eroded to about half their original size.
Installation Notes
Install on clean metal contact surfaces and use the correct supplied hardware so the anodes maintain proper electrical contact with the drive. Current Volvo Penta guidance also notes that anodes should not be painted over, because that prevents them from protecting the drive correctly. Zinc is the reviewed material for this kit style and is the standard choice for saltwater service, with some reviewed sources also noting it can be used in certain brackish-water conditions.
Alternate/Superseded Part Numbers
Current reviewed equivalent-kit references in this same application family include CMSXKITZ, KITVOLVOSX, and KITVOLVOSX/MG or aluminum variants in other materials, while the underlying anode components are commonly referenced as 3854130 and 3855411. Current reviewed sources do not show a confirmed OEM Volvo Penta supersession for the aftermarket kit number VPSXKZ itself.
Parts Desk Insight
For older Volvo Penta sterndrive anode kits, the best buying checkpoint is the exact drive family and anode layout, not just the words “SX anode kit.” The strongest current match points here are SX / DP-SM fitment and the familiar two-piece kit built around the gearhouse and transom-shield anodes. Matching the existing hardware on the drive is the safest way to get the right kit.
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Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
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