21871586 Wiring Harness | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Main Engine Wiring Harness - Part Number: 21871586

A genuine heavy main wiring harness used in a Volvo Penta marine or industrial engine installation. Its approximately 4kg assembly contains the branch circuits and connectors required by the exact engine configuration.

⚙️ Key Features

• Factory branch lengths, keyed connectors and terminal positions

• Engine-grade insulation and protective covering

• Correct conductor sizing for the assigned circuits

• Supports control, monitoring and diagnostic functions

• Direct replacement for the matching harness

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21871586 (current OEM reference)

OEM / Related Numbers:

• 21871586 - current OEM reference

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta engine, drive or accessory assemblies catalogued for this exact part number

Typically suits:

• Engine / drive models:

• Complete product number and serial number must identify the illustrated component position

• HP Range: Installation dependent

• Engine Type: Volvo Penta marine or industrial engine system

• Year Range: Production-era fitment determined by product and serial number

• Serial / Fitment Note: Confirm total connector count, branch layout, system voltage, engine product number and serial number. A visually similar harness is not necessarily interchangeable.

🔌 Function

Carries power, ground and control signals between the engine, sensors, modules and installation-side electrical connections.

Common signs of failure:

• Intermittent no-start, shutdown or loss of a controlled function

• Several unrelated electrical fault codes

• Voltage drop, open circuit or short circuit

• Chafed, heat-damaged or oil-contaminated insulation

• Corroded, loose or moisture-damaged connector terminals

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging