21339317 Control Unit | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta programmed Helm Interface Unit for EVC-C electronic vessel-control systems. The module is identified as MID 140 and interfaces helm switches, instrumentation, trim, alarms and engine/drive communications. Programming and configuration are tied to the vessel installation and engine serial information; a physically identical unprogrammed module must not be assumed interchangeable.

🚤 Compatibility

• Engine Family: D
• HP Range: 110-190 HP

Full model list at the end of this description.

⚙️ Key Features

• Genuine Volvo Penta EVC-C HIU module
• MID 140 helm-interface control unit
• Programmed for the applicable engine and vessel configuration
• Supports helm commands, alarms and network communication
• Requires matching software, connector revision and configuration
• Engine type: Volvo Penta D3 diesel or 4.3 L, 5.0 L, 5.7 L and 8.1 L gasoline marine engine with EVC-C

🔌 Function

Receives helm inputs and exchanges commands and status data with the EVC network, engine control unit, instruments and drive systems.

⚠️ Common Signs of Failure

• Stored control-unit or communication fault codes
• Loss of the related control, display or protection function
• Intermittent faults caused by heat, vibration or moisture
• Corroded connector pins or water intrusion
• No communication, incorrect output or failed self-test

🛠️ Service Notes

• A replacement control unit normally has to be loaded with the software and parameter set for your engine and installation before it will run — that is authorised-dealer work with Volvo Penta's own diagnostic tool, so plan the job around it rather than around the fitting time
• Isolate the batteries at the main switches and leave the system dead before disconnecting or connecting anything; back-feeding a live bus through a half-mated connector is a common way to destroy a new unit
• Treat the unit as static-sensitive and mechanically delicate: handle it by its housing, leave it in its packaging until it is going on, and never weld on the boat with control units connected
• Mate connectors clean and dry and push them fully home until the lock engages, then refit the harness clips and any shielding so the loom is not left hanging on the plugs
• Mount it in its own bracket and original orientation so the cable entries face as designed and water runs away from the connectors rather than into them

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 21339317 → Supersedes 3887304

OEM / Related Numbers

• 3887304 earlier number superseded by this part
• 3587070 - associated starter-switch references
• 3587071 - associated starter-switch references
• 859953 - ignition key
• 3589926 - associated EVC software references
• 3589927 - associated EVC software references
• 21207240 - associated EVC harness
• 3587054 - associated EVC sensors
• 3587055 - associated EVC sensors
• 874840 - associated EVC sensors
• 873772 - tank-level sensor
• 3807228 - associated wiring harness

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta 8.1Gi-H, 8.1Gi-HF, 8.1Gi-J, 8.1Gi-JF, 8.1GXi-G, 8.1GXi-GF, 8.1GXi-J, 8.1GXi-JF, 8.1OSi-D, 8.1OSi-DF, 8.1OSi-J, 8.1OSi-JF, 5.7GXi-J, 5.7GXi-JF, 5.7GXi-H, 5.7GXi-HF, 5.7OSi-300-J, 5.7OSi-300-JF, 5.7OSi-G, 5.7OSi-GF, 5.7OSXi-J, 5.7OSXi-JF, 5.7OSXi-G, 5.7OSXi-GF, 5.0OSi-J, 5.0OSi-JF, 5.0OSi-G, 5.0OSi-GF, 5.7Gi-300-J, 5.7Gi-300-JF, 5.7Gi-300-N, 5.7GXi-N, 5.7Gi-G, 5.7Gi-GF, 4.3OSi-GF, 4.3OSi-J, 4.3OSi-JF, 5.0GXi-J, 5.0GXi-JF, 5.0GXi-N, 5.0GXi-G, 5.0GXi-GF, 4.3GXi-G, 4.3GXi-GF, 4.3GXi-J, 4.3GXi-JF, 4.3OSi-G
• Volvo Penta D3-110I-C, D3-130I-C, D3-130A-C, D3-160A-C, D3-190A-C, D3-160I-C, D3-190I-C