21986543 Connector | Genuine Volvo Penta Part

🔧 Product Description

Sealed electrical connector used in later D4 and D6 marine-engine harness arrangements. The connector body, terminal layout and keying are matched to the EVC-era engine circuit.

🚤 Compatibility

• Engine Family: D
• HP Range: 145-480 HP

Full model list at the end of this description.

⚙️ Key Features

• Factory connector body and keying
• Correct terminal layout and environmental sealing
• Designed for the specified engine circuit
• Vibration- and temperature-resistant construction
• Connector generation must match the harness

🔌 Function

Provides a secure electrical interface between the engine harness and the assigned sensor, actuator, module or control-system branch.

⚠️ Common Signs of Failure

• Corroded or pushed-back terminals
• Intermittent circuit faults
• Water ingress or damaged seals
• Loose locking tab or poor pin tension
• Heat-damaged housing or chafed wiring

🛠️ Service Notes

• Compare the new connector against the old one for size, form and number of ways before fitting; connectors that look alike are frequently not interchangeable
• Renew any seal, gasket or O-ring that belongs with the connector rather than reusing the old one, and check the mating faces are clean, dry and undamaged
• Support the connector and the line or harness running into it so the joint carries no weight or side load, and keep the original routing and clips clear of hot and moving parts
• Push or thread the connector fully home until it seats or locks, then confirm the lock has engaged rather than assuming it has
• Prove the joint before closing up the access — check it for leaks or for correct operation, whichever applies to that position, with the engine run up

🔄 Supersession & Cross Reference

OEM / Related Numbers

• 984859 - associated mounting screw

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D6-340I-G, D6-380I-G, D6-440I-G, D6-480I-G, D6-300A-G, D6-340A-G, D6-380A-G, D6-440I-WJ-G, D6-480I-WJ-G, D6-300D-G, D6-340D-G, D6-380D-G, D6-440D-G, D6-480D-G, D6-400A-G, D6-440A-G, D6-300I-G, D6-480A-G
• Volvo Penta D4-175I-G, D4-230I-G, D4-270I-G, D4-320I-G, D4-300I-G, D4-150A-G, D4-230A-G, D4-270A-G, D4-320A-G, D4-300A-G, D4-145I-G, D4-175 VG