Volvo Penta Wiring Harness 3862221

The Volvo Penta 3862221 Wiring Harness is a genuine OEM harness listed by Volvo Penta as a wiring harness. It is commonly associated with gasoline-engine electrical and exhaust overheat sensor system applications, where the correct harness is important for restoring a proper factory-style connection and dependable signal routing.

Key Features

• Genuine Volvo Penta OEM part
• Part number: 3862221
• Factory replacement wiring harness
• Used in sensor and engine electrical circuit applications
• Best matched by exact engine model and serial number

Engine Compatibility

Commonly associated with selected Volvo Penta gasoline engine applications in the 3.0GL/GXi, 4.3GL/GXi/OSi, 5.0GL/GXi/OSi, 5.7Gi/GXi/OSi, and 8.1Gi/GXi/OSi families, along with certain V6 and V8 gasoline packages shown in Volvo Penta parts references.

Serial Number Fitment Notice

Fitment can vary by engine model, production range, emissions package, and harness configuration. Always confirm compatibility by engine model and serial number before ordering. Volvo Penta’s own parts support directs users to identify the exact engine, shield, or drive to locate the correct part.

When This Part Needs Replacement

Replace this harness when the original wiring is heat-damaged, brittle, corroded, physically damaged, or when troubleshooting points to an intermittent connection or failed sensor-side wiring in the related circuit.

Installation Notes

Match the replacement harness to the original connector style and routing before installation. Inspect nearby wiring, terminals, and sensor connections for heat damage or corrosion so the new harness is installed into a clean, reliable circuit.

Alternate/Superseded Part Numbers

Current Volvo Penta references identify this item as 3862221. Related system references also connect this harness to exhaust overheat sensor applications.

Parts Desk Insight

Harnesses like this can look simple, but small differences in connector layout, branch length, and application routing matter. Matching by serial number is the best way to avoid repeat labor and make sure the replacement harness fits the engine exactly as intended.

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