21914530 Wiring Harness | Genuine Volvo Penta Part

🔧 Product Description

Main engine wiring harness for later D5A-B TA electrical installations. It connects the instrument-panel housing, relay/fuse box and engine circuits using the correct branches and connector coding for the serial-number change.

🚤 Compatibility

Typically suits:

• Volvo Penta D5A-B TA
• Volvo Penta D5A-T
• Volvo Penta D5A-TA
• Volvo Penta MD2010
• Volvo Penta MD2010B

• Engine Family: D, MD
• Serial Range: SN11184144-

⚙️ Key Features

• Wiring harness for engines from serial number 11184144 onwards
• 2.631 kg
• Supersedes 881594
• Listed for 5 applications across D and MD series engines

🔌 Function

Distributes power, ground and control/sensor signals between the engine, relay/fuse box and instrument/control panel.

⚠️ Common Signs of Failure

• Intermittent starting or shutdown
• Loss of gauge or alarm functions
• Relay/fuse-box communication faults
• Corroded connectors or broken conductors
• Heat/chafe damage causing short or open circuits

🛠️ Service Notes

• Check the engine serial number against 11184144 before ordering, as earlier engines take a different harness
• Photograph and label the connector positions before removal; the branch lengths are fixed and will only reach their intended points

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 21914530 → Supersedes 881594

OEM / Related Numbers

• 881594 earlier number superseded by this part
• 873953 - electrical box
• 956046 - screws
• 969405 - screws
• 955778 - nut
• 846615 - sealing ring
• 846611 - instrument-panel housing
• 977184 - housing
• 990977 - lock nut
• 3171420 - relay
• 943920 - plug

📦 Condition

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