| Specification Category | Details |
|---|---|
| COGENG Part Number | WH-VOE-160-210 |
| Replaces OEM Numbers | Volvo 20551332, Volvo 20554258 (Also known as: VOE20551332, VOE20554258) |
| Compatible Brands | Volvo |
| Compatible Models | EC160B, EC180B, L90E (and their variants) |
| Product Type | Electrical Wiring Harness / Cable Assembly Set |
| Application | Engine, Main Chassis, and Control System Electrical Connectivity |
| Wire Specification | High-Temperature Copper Strand, PVC Insulation |
| Connectors | OEM-Grade, Weatherproof & Corrosion-Resistant |
| Quality Standard | ISO 9001, 100% Electrically Tested |

| NO | Number | Name | Qty |
| 1 | VOE20551332 | Wire harness | 1 |
| VOE20728258 | Wire harness | 1 | |
| 2 | VOE20551333 | •Housing | 1 |
| 3 | VOE20482768 | •Contact | 14 |
| 4 | VOE11700587 | •Insulation | 18 |
| 5 | VOE20551334 | •Housing | 4 |
| 6 | VOE20482770 | •Connector | 2 |
| 7 | VOE20551408 | •Cap | 3 |
| 8 | VOE20551428 | •Reduction | 6 |
| 9 | VOE20551409 | •Cap | 2 |
| 10 | VOE20551427 | •Reduction | 2 |
DISCONNECT BATTERY: Before starting any work, ALWAYS disconnect the negative (-) battery terminal. This is the most critical step to prevent short circuits, electrical damage to the ECU, and personal injury.
DOCUMENTATION: Take clear, well-lit photographs of the original harness routing and all connector orientations before disassembly. Label connectors with tape if necessary for easy re-installation.
CLEANLINESS: Work in a clean, dry area to prevent dirt and moisture from entering open electrical connectors or the machine's systems.

Preparation:
Park the machine on a firm, level surface. Fully lower all attachments to the ground and engage all safety locks.
Gather all necessary tools (e.g., screwdrivers, wrenches, cable tie cutters).
Removal of Old Harnesses:
Carefully unclip the old harnesses from their mounting points and conduit.
Always pull on the connector housing, never on the wires themselves, to avoid damaging the terminals.
As you remove each old harness, immediately match it with its corresponding new harness from the COGENG WH-VOL-160-180-SET kit to ensure correct replacement.
Installation of New COGENG Harnesses:
Route the new harnesses exactly along the same path as the originals. Keep them clear of sharp edges, hot components (like the exhaust manifold), and moving parts.
Firmly press each connector into its mating socket until a definitive "click" is heard or felt, confirming it is fully seated and locked.
Use the provided clips and new cable ties to secure the harness bundles firmly, preventing vibration and abrasion that can lead to premature failure.
Final Verification and Testing:
Before reconnecting the battery, perform a thorough visual inspection. Verify that all connectors are secure and the routing is correct and tidy.
Reconnect the negative battery terminal.
Turn the ignition key to the "ON" position (without starting the engine) and observe the instrument cluster for any unexpected warning lights.
If no warnings are present, start the engine. Let it idle and listen for any unusual sounds. Operate basic functions to ensure proper system response.