Volvo Penta Split Pin 3859045

Volvo Penta OEM Split Pin Part No. 3859045

Compatible Applications

Split pins are application-specific Volvo Penta uses different sizes and configurations across various sterndrive and engine assemblies. Confirm 3859045 against the Volvo Penta parts diagram for the specific assembly and serial number before ordering. Do not substitute by size alone.

• Selected Volvo Penta sterndrive and drive component assemblies confirm by engine model, drive model, and serial number
• Exact diagram application should be verified against the applicable Volvo Penta parts catalog before ordering

When to Replace

Replace the split pin whenever it is removed during service split pins are single-use fasteners and should never be reused once opened. Also replace if the original is bent beyond its original profile, corroded, broken, or missing from the assembly.

Installation Notes

Compare the new split pin to the original before installation to confirm the correct size and leg length for the application. Insert through the hole fully and spread the legs evenly per the Volvo Penta service procedure do not bend sharply or the pin may crack during reassembly. Inspect the shaft, bore, and retained component for wear or damage while the pin is removed.

Technical FAQ

Can I reuse a split pin after removing it?
No split pins are designed for single use. Once the legs are spread and then straightened for removal, the pin is fatigued and should be discarded. Always install a new pin during reassembly.

How do I identify which split pin my assembly needs?
Match by part number 3859045 using the Volvo Penta parts diagram for the specific assembly. Different assemblies may use visually similar pins of different lengths or diameters that are not interchangeable.

Is a split pin the same as a cotter pin?
Yes split pin and cotter pin refer to the same type of fastener. Volvo Penta catalogs this component as a split pin.

Parts Desk Insights

Split pins are one of those parts that get damaged or discarded during disassembly and arent discovered missing until reassembly. At $7.20, its worth ordering one or two spares when servicing an assembly that uses them. The most common issue is customers trying to reuse the original or substitute a generic pin confirming the Volvo Penta part number ensures correct size and material for the application.