# 21883891 Wiring Harness | Genuine Volvo Penta Part

🔧 Product Description

  

This genuine Volvo Penta two-metre extension harness connects the SCR/AdBlue tank-heating valve to the engine or aftertreatment wiring on TAD1170-TAD1172VE engines.

  

⚙️ Key Features

  

• Length: 2000 mm

• Tank-heating valve circuit

• Factory sealed connectors

• SCR/AdBlue-compatible routing

• Heat- and vibration-resistant loom

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 21883891 (current OEM service number)

  

OEM / Related Numbers:

  

• VOE21883891

• Braided replacement/reference: 23321019

• Longer related extension: 22964039

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta TAD11 SCR aftertreatment electrical systems

  

Typically suits:

  

• Engine models / systems:

• TAD1170VE

• TAD1171VE

• TAD1172VE

  

• System: SCR tank-heating valve extension

• Nominal length: 2000 mm

  

🔌 Function

  

Carries power and control signals to the DEF tank-heating valve.

  

Common signs of failure:

  

• Tank-heating fault

• Open or short circuit

• Corroded connector

• Chafed insulation

• DEF freezing or dosing derate caused by loss of heating

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 166.62 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 166.62 AUD | In stock |

## Images

- 21883891 Wiring Harness | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21883891-wiring-harness-genuine-volvo-penta)
> Updated: 2026-08-02