21871583 Wiring Harness | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta 5.0L / 5.7L Petrol Engine Wiring Harness - Part Number: 21871583

A genuine main engine wiring harness used on selected Volvo Penta 5.0L and 5.7L petrol marine engines. The harness links the engine-control, ignition, fuel-injection, sensor and boat-side circuits.

⚙️ 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:

• 21871583 (current OEM reference)

OEM / Related Numbers:

• 21871583 - 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:

• 5.0L Volvo Penta petrol marine engine packages produced around 2012 where harness 21871583 is listed

• 5.7L Volvo Penta petrol marine engine packages where the same harness and calibration are specified

• HP Range: Approximately 225HP - 320HP

• Engine Type: GM-based 5.0L or 5.7L V8 electronic-fuel-injected petrol marine engine

• Year Range: Approximately 2011 - 2016

• Serial / Fitment Note: Match engine displacement, model suffix, emissions calibration, product number and serial number.

🔌 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