# 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

## Details

- **Price:** 2485.37 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2485.37 AUD | In stock |

## Images

- 21989366 Wiring Harness | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21989366-wiring-harness-genuine-volvo-penta)
> Updated: 2026-08-03