874183 Wiring Harness | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta wiring harness for EDC, from the Cables and Fuses group. It weighs 1.928 kg, is listed for 8 applications on TAMD series engines, and supersedes part number 873935. The EDC note is what separates it from the other harnesses listed here.

🚤 Compatibility

Typically suits:

• Volvo Penta TAMD75P-A
• Volvo Penta TAMD73P-A
• Volvo Penta TAMD74P-A
• Volvo Penta TAMD74P-B
• Volvo Penta TAMD74C-A
• Volvo Penta TAMD74C-B
• Volvo Penta TAMD74L-A
• Volvo Penta TAMD74L-B

• Engine Family: TAMD

⚙️ Key Features

• For EDC
• 1.928 kg
• 8 applications on TAMD engines
• Supersedes 873935

🔌 Function

Carries the EDC system's sensor, actuator and communication wiring around the engine.

⚠️ Common Signs of Failure

• EDC fault codes appearing and clearing as the engine vibrates
• Engine dropping into reduced power with no mechanical fault found
• Insulation hardened or melted near the turbo or manifold
• Corrosion inside the EDC connectors
• Communication with the control unit lost intermittently

🛠️ Service Notes

• Check the connector pins and earth points before replacing the harness — most EDC wiring faults are at the connections
• Photograph the routing before removal and keep the loom clear of hot surfaces on refitting

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 874183 → Supersedes 873935 → Supersedes 873761

OEM / Related Numbers

• 873935 earlier number superseded by this part

📦 Condition

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