21731613 Wiring Harness | Genuine Volvo Penta Part

🔧 Product Description

A genuine Volvo Penta wiring harness used in Volvo Penta D16 / TAD16 engine assemblies. It is manufactured to the factory dimensions and operating specification for the catalogued installation.

🚤 Compatibility

• Engine Family: D
• HP Range: 110-435 HP
• Year Range: Approximately 2010 - 2021

Full model list at the end of this description.

⚙️ Key Features

• Factory branch lengths and connector keying
• Marine- or industrial-grade protective covering
• Correct conductor sizing and terminal orientation
• Supports engine diagnostics and protection functions
• Direct replacement for a damaged original harness
• Engine type: 16.1L inline six-cylinder turbocharged industrial diesel

🔌 Function

A factory-routed electrical harness that distributes power, ground and control signals between the engine, control modules, sensors and installation-side connections.

⚠️ Common Signs of Failure

• Intermittent no-start, derate or shutdown
• Several unrelated fault codes appearing together
• Voltage drop or open circuit
• Corroded, loose or moisture-contaminated terminals

🛠️ Service Notes

• Compare the new harness with the old one before fitting — check the connector types, the number of pins and the branch lengths, and lay it out alongside the old loom to confirm every branch reaches its component
• Disconnect the batteries before unplugging or fitting a harness, and support the loom as you work so its weight never hangs on a connector or a bulkhead grommet
• Route it along the original path and secure it with the original clips and ties, clear of hot exhaust surfaces, sharp edges and anything that moves; leave a service loop at each connector rather than pulling a branch tight
• Push every connector home until the lock latches and protect the joints with a marine dielectric grease — an intermittent electrical fault is far more often a partly seated or salt-corroded pin than a broken wire
• Renewing the harness is the right repair where insulation is chafed, brittle or oil-soaked, or where corrosion has tracked inside the connector bodies; patch repairs in a damp engine bay tend to fail again, and any single conductor that is repaired should be joined with tinned marine cable of the same gauge, a proper crimp and adhesive-lined heat-shrink

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D3-220I-G, D3-140A-G, D3-170A-G, D3-200A-G, D3-220A-G, D3-140I-G, D3-200I-D, D3-110I-G, D3-150I-G, D3-170I-G, D3-200I-G, D3-110I-H, D3-140A-H, D3-170A-H, D3-200A-H, D3-220A-H, D3-150I-H, D3-170I-H, D3-200I-H, D3-220I-H, D3-140I-H
• Volvo Penta D6-330A-F, D6-370A-F, D6-330D-F, D6-370D-F, D6-300A-F, D6-300D-F, D6-300I-F, D6-330I-F, D6-370I-F, D6-435D-F, D6-400A-F, D6-435I-F
• Volvo Penta D4-260A-F, D4-260D-F, D4-260I-F, D4-300A-F, D4-300D-F, D4-180I-F, D4-225I-F, D4-300I-F, D4-225A-F