Description

The Volvo Penta 3885524 is a genuine Volvo Penta OEM split pin, also commonly referred to as a cotter pin, used as diagram-specific retaining hardware on select Volvo Penta sterndrive and transom assemblies. This pin is installed through a drilled shaft, clevis, anchor pin, or retaining hardware location, then bent open after installation to help prevent the retained component from backing out during vibration and normal drive movement.

Key Features

• Genuine Volvo Penta factory OEM split pin.
• Volvo Penta part number: 3885524.
• Also commonly described as a cotter pin or retaining split pin.
• Listed weight: 0.003 kg, approximately 0.01 lb.
• Used in select trim, tilt, drive, transom, and retaining hardware locations where specified by Volvo Penta diagram.
• Designed for one-time locking retention after the pin legs are bent into position.
• Important for securing anchor pins, clevis-style joints, trim-cylinder hardware, and other service locations where the Volvo Penta diagram calls for this part.

Application Compatibility

Common application context includes select Volvo Penta sterndrive and transom assemblies by model, serial number, and diagram location, including:

• SX-A applications where specified
• DPS-A applications where specified
• DPS-A OSi applications where specified
• DPS-B applications where specified
• Select hydraulic trim and tilt cylinder anchor pin locations where specified
• Select outdrive, pivot, transom, and retaining hardware assemblies using split pin 3885524

Use this pin only where the Volvo Penta parts diagram specifically calls for 3885524.

Fitment Notice

Confirm fitment by Volvo Penta drive model, drive serial number, trim-cylinder assembly, anchor pin location, and exact parts diagram before ordering. Volvo Penta uses different split pins, cotter pins, clips, washers, and retaining hardware across similar drive families, so matching the pin by diagram location is important.

When This Part Needs Replacement

Replace this split pin whenever it is removed. Cotter-style split pins are bent during installation and should not be reused once straightened, fatigued, corroded, cracked, or distorted. It should also be replaced if the original pin is missing, rusted, loose, or no longer locks the retained hardware securely.

Installation Notes

Install this split pin only in the exact location shown in the Volvo Penta diagram. Inspect the matching anchor pin, clevis, washer, trim-cylinder eye, retaining hole, and surrounding hardware before reassembly. After the pin is inserted, bend the legs securely according to the Volvo Penta service procedure so the retained part cannot slide out under vibration. Do not substitute soft wire, undersized hardware, or a reused bent pin in a structural retaining location.

Alternate/Superseded Part Numbers

• 3885524 — Volvo Penta split pin / cotter pin

Parts Desk Insight

Split pins are inexpensive, but they are critical retaining parts. If a trim-cylinder anchor pin or drive retaining pin is being removed for service, replacing the split pin during reassembly helps prevent loosened hardware, lost retaining pins, and repeat disassembly.

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