Up for sale is a genuine, factory-original Volvo Penta marine engine wiring harness loom. This heavy-duty assembly is responsible for distributing primary electrical power and vital sensor signals across the engine installation, carrying the precise branches and terminations your control system needs to operate smoothly. Unlike standard lightweight aftermarket looms, this genuine harness features a substantial construction weighing 4.198 kg to support complex system pathways. It is the only harness in its structural block of four engine variations that carries this robust weight profile, making it a critical, exact-fit replacement for eliminating communication drops, circuit fault codes, and marine environment damage.

Key Features

Authentic Volvo Penta OEM: Genuine marine-grade engine harness engineered specifically for complex V8 control system configurations.
Heavy-Duty Construction: Heavy-weight 4.198 kg wiring harness designed to withstand severe high-vibration marine environments over rough water.
Precision Circuit Integration: Built to perfectly distribute power and sensor signals to multiple engine modules without voltage drops.
Sealed Terminal Junctions: Marine-insulated terminations engineered to resist moisture intrusion, engine heat, and corrosion.

Technical Specifications

Brand: Volvo Penta (Genuine OEM)
Part Number / MPN: 23210462
Engine Family Application: V-Series Engines
Horsepower Spectrum: 300 HP to 430 HP
Net Assembly Weight: 4.198 kg

Engine Compatibility

V8-300-C-M Series: Fits all factory-designated V8-300-C-M marine configurations.
V8-350-C-M Series: Fits all factory-designated V8-350-C-M marine configurations.
V8-380-C-M Series: Fits all factory-designated V8-380-C-M marine configurations.
V8-430-C-M Series: Fits all factory-designated V8-430-C-M marine configurations.

Critical Service & Ordering Notes

Order Strictly by Part Number: Neighboring Volvo Penta harnesses 23210418, 23210466, and 23210469 look nearly identical but carry a lighter weight profile of 3.629 kg. Because they do not share the same internal circuitry, you must order strictly by part number rather than physical appearance.
Diagnostic Check Before Replacing: If you are experiencing equipment dropping out intermittently over rough water or multiple circuit fault codes appearing simultaneously, verify your electrical earths and individual pins first. A single bad pin or corroded connector terminal can easily mimic a total harness failure.
Installation Guidance: It is highly recommended to thoroughly document or photograph your engine's original wire routing before removing the old assembly. Ensure the new loom is secured completely clear of brackets, hot surfaces, and sharp metal edges to prevent future insulation chafing.

Please confirm your specific V8 marine engine serial number or original harness tag matches part number 23210462 before completing your purchase. Feel free to send a message if you have any questions!