# 20793567 Drain Valve | Genuine Volvo Penta Part

## 🔧 Product Description

Application-specific cooling-system drain valve used in the air-conditioning compressor and auxiliary belt drive on the listed Volvo Penta engines. Opens the cooling-system drain passage for controlled coolant removal and seals the passage when closed.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TAD734GE
-   Volvo Penta TAD754GE

-   **Engine Family:** TAD
-   **HP Range:** Approximately 160-265 HP
-   **Year Range:** Approximately 1999 - 2012

## ⚙️ Key Features

-   Genuine Volvo Penta cooling-system drain valve
-   Designed for the air-conditioning compressor and auxiliary belt drive
-   Opens the cooling-system drain passage for controlled coolant removal and seals the passage when closed
-   Engine type: Four- and six-cylinder turbocharged industrial diesel

## 🔌 Function

Opens the cooling-system drain passage for controlled coolant removal and seals the passage when closed.

## ⚠️ Common Signs of Failure

-   Valve leaks when closed
-   Valve is seized, stiff or will not open fully
-   Damaged threads, seat or operating head
-   Restricted drainage from contamination or corrosion
-   Coolant or fluid loss around the valve body

## 🛠️ Service Notes

-   Drain the system safely and clean the threaded port before installation.
-   Use the specified sealant or sealing washer and pressure-test after refilling.

## 🔄 Supersession & Cross Reference

### OEM / Related Numbers

-   20499771 - compressor bracket
-   20464460 - hexagon screw
-   973924 - flange screw
-   20499929 - spacer sleeve
-   20499932 - hex-socket screws
-   20499931 - hex-socket screws
-   20460895 - tensioning lever
-   20513499 - bushing
-   20405917 - flange screw
-   20793522 - V-belt
-   20779978 - compressor clutch
-   20587125 - compressor/clutch family references
-   84094705 - compressor/clutch family references
-   85000458 - compressor/clutch family references
-   23576707 - compressor/clutch family references

### Other-Brand OEM Numbers

-   VOE20793567 - Volvo Construction Equipment prefixed number format

## 📦 Condition

-   Genuine Volvo Penta part
-   Brand new
-   Supplied in original or equivalent packaging

## Details

- **Price:** 20.27 AUD
- **Vendor:** Volvo Penta
- **Type:** Cooling System
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 20.27 AUD | In stock |

## Images

- 20793567 Drain Valve | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20793567-drain-valve-genuine-volvo-penta)
> Updated: 2026-10-11