# 20805110 Quick Coupling | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta SCR/AdBlue Quick Coupling - Part Number: 20805110

  

Application-specific SCR/AdBlue Quick Coupling used in the SCR dosing, tank-heater and reductant-line assembly on the listed Volvo Penta engines. Creates a serviceable snap connection in the SCR or coolant line while retaining the internal fluid seal.

  

⚙️ Key Features

  

• Genuine Volvo Penta SCR/AdBlue Quick Coupling

• Direct service replacement for part number 20805110

• Designed for the SCR dosing, tank-heater and reductant-line assembly

• Creates a serviceable snap connection in the SCR or coolant line while retaining the internal fluid seal

• Catalogued for TAD1170VE; TAD1171VE; TAD1172VE

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 20805110 (Volvo Penta OEM reference)

  

OEM / Related Numbers:

  

• VOE20805110 - Volvo Construction Equipment prefixed number format

• 20805109 - companion SCR quick coupling

• 21574975 / 22851845 - AdBlue/DEF pump units

• 21516229 - filter

• 21376707 - filter cap

• 21376721 / 21376731 / 21376749 - connectors

• 21574984 - dosage valve

• 20767833 - support bracket

• 994556 / 992082 - hose clamps

• 990536 - rubber hose

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta TAD1170-TAD1172 SCR/AdBlue aftertreatment installations

  

Typically suits:

  

• Engine models:

• TAD1170VE

• TAD1171VE

• TAD1172VE

  

• HP Range: Approximately 340HP - 425HP

• Engine Type: 11-litre six-cylinder turbocharged industrial diesel with SCR aftertreatment

• Year Range: Approximately 2011 - 2020

  

🔌 Function

  

Creates a serviceable snap connection in the SCR or coolant line while retaining the internal fluid seal.

  

Common signs of failure:

  

• Fuel, oil, coolant, boost-air or vapour leakage at the joints or pipe wall

• Cracks, fretting or fatigue around bends, clamps and brazed fittings

• Internal restriction from corrosion, carbon, sludge or contamination

• Chafing, vibration marks or contact with adjacent components

• Pressure, temperature, fuelling or ventilation faults caused by reduced flow

  

Service / Installation Notes:

  

• Renew all disturbed sealing washers, O-rings, grommets and clamps.

• Confirm the line is naturally aligned before tightening; do not pull it into position with the fasteners.

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 27.1 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 27.10 AUD | In stock |

## Images

- 20805110 Quick Coupling | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20805110-quick-coupling-genuine-volvo-penta)
> Updated: 2026-08-01