Volvo Penta Spider 3850812

The Volvo Penta 3850812 Spider is a genuine OEM driveline component listed by Volvo Penta as spider. It is commonly associated with universal-joint service in selected Volvo Penta sterndrive applications, where the correct factory part helps maintain proper driveline articulation and dependable power transfer through the drive assembly.

Key Features

• Genuine Volvo Penta OEM part
• Part number: 3850812
• Factory replacement spider
• Common reference weight: approximately 0.547 kg
• Commonly associated with universal-joint style driveline service

Engine Compatibility

Commonly associated with selected Volvo Penta sterndrive applications, including supportable references tied to SX-A, DPS-A, DPS-B, FWD, and older catalog references that also connect this part with DP-SM and SX-C family usage. Exact fitment can still vary by drive model and production range.

Serial Number Fitment Notice

Fitment may vary by drive model, driveline configuration, and production break. Always confirm compatibility by engine or drive model and serial number before ordering. Volvo Penta directs users to identify the exact engine, shield, or drive when locating the correct spare part.

When This Part Needs Replacement

Replace this spider when driveline service reveals worn bearing surfaces, looseness in the universal joint, corrosion, binding, damaged caps, or when the original component is no longer suitable for reliable reassembly in the intended drive unit.

Installation Notes

Confirm the exact application before installation and compare the new spider to the original driveline part during service. Inspect the related yokes, bearing caps, retaining hardware, and surrounding driveline components so the replacement is installed into a clean, properly supported assembly.

Alternate/Superseded Part Numbers

Current Volvo Penta references identify this item as 3850812. Related listing language also commonly describes it as a universal joint spider or U-joint spider for the supported application.

Parts Desk Insight

Universal-joint parts can look simple on the bench, but exact matching matters in sterndrive work. A spider that is right for one drive family may not suit another, so serial-number verification is the best way to avoid repeat labor and make sure the replacement fits the exact Volvo Penta setup you are servicing.

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