21371661 Cable Kit | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta D3 Diode Cable Harness Kit - Part Number: 21371661

A genuine Volvo Penta diode cable kit used in selected first-generation D3 electrical systems. The preassembled harness incorporates the diode and sealed terminal arrangement needed to control current direction and prevent unwanted back-feed in the engine wiring circuit.

Kit Contents:

• 1 x preassembled diode cable harness - Volvo Penta 21371661

• Integral diode, terminals, seals and connector housings are supplied as part of complete cable kit 21371661 and are not separately serviced

⚙️ Key Features

• Genuine Volvo Penta diode harness

• Prevents electrical back-feed

• Factory connector and terminal arrangement

• Used in first-generation D3 wiring systems

• Direct plug-in service replacement where specified

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21371661 current Volvo Penta cable / diode-kit reference

OEM / Related Numbers:

• 21371661

• D3 engine wiring harnesses and connector repair components selected by serial number

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• D3 charging and shutdown circuits

• Electrical back-feed faults

• Engine-harness repair

Typically suits:

• Engine models / drive models:

• D3-110I-A / D3-110I-B / D3-110I-C

• D3-130A-A / D3-130A-B / D3-130A-C

• D3-130I-A / D3-130I-B / D3-130I-C

• D3-160A-A / D3-160A-B / D3-160A-C

• D3-160I-A / D3-160I-B / D3-160I-C

• D3-190A-B / D3-190A-C

• D3-190I-A / D3-190I-B / D3-190I-C

• HP Range: Approximately 110HP - 190HP

• Engine Type: Volvo Penta first-generation D3 inline 5-cylinder marine diesel

• Year Range: Approximately 2003 - 2009

• Serial Range: Wiring-harness generation and connector layout controlled; confirm the engine serial number and electrical schematic

🔌 Function

The diode allows current to flow in the intended direction while blocking reverse current that could keep circuits energised or create false signals.

Common signs replacement or overhaul is required:

• Engine does not shut down correctly

• Warning lamps or relays remain energised

• Diode has failed open or short circuit

• Harness connectors are corroded

• Electrical schematic specifies cable kit 21371661

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging