21989366 Wiring Harness | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Main Engine Wiring Harness - Part Number: 21989366

Main wiring harness for the TAD761VE electrical system, providing factory-length branches and sealed connector interfaces for engine sensors, relays, fuses and control components.

⚙️ Key Features

• Factory connector keying and pin assignment

• Correct branch lengths and protective sleeving

• Wire gauges matched to circuit loads

• Designed for engine vibration, heat and moisture

• Product, serial and control-system generation controlled

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 22872285 → Replaces 21989366

OEM / Related Numbers:

• 21989366

• 22872285 - later replacement harness

• 21157620 / 21157293 / 21157295 - connector references

• 21157239 / 21157233 / 21157187 - connector references

• 21157623 / 21157625 / 21157626 / 21157627 / 21157629 - connector and housing references

• 21157209 / 21157212 / 21157200 / 21157203 - connector references

• 21665353 / 21665354 / 21669455 - connector references

• 21418803 - related connector

• 21072016 / 3171420 - relay references

• 21219721 - related electrical component

• 20513984 / 983022 - cable ties

• 20834570 - retainer

• 21665355 / 21665356 / 21664465 / 21664466 - connector references

• 20450997 - harness bracket

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• TAD761VE cables, fuses and engine-management wiring

Typically suits:

• Engine models:

• TAD761VE

• HP / Rating: Controlled by the complete engine or drive product number

• Engine / System Type: Electronically controlled inline six-cylinder industrial diesel

• Year Range: Production-build controlled; confirm by product and serial number

• Serial / Specification Control: Confirm the complete product number, serial number and control-unit generation. Later harness 22872285 may require matching connector or routing changes.

🔌 Function

Carries power, ground and signal circuits between the engine components, protection system, control unit and operator controls.

Common signs of failure or wear:

• No-start or intermittent shutdown

• Sensor, actuator or communication fault codes

• Broken conductors at branch points

• Corroded or loose connector pins

• Short circuits caused by abrasion, heat or water ingress

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging