# 20460485 O-Ring | Genuine Volvo Penta Part

## 🔧 Product Description

O-ring sealing the compressor-to-engine or compressor-housing joint on the documented exchange-unit installation.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TAD720VE
-   Volvo Penta TAD721VE
-   Volvo Penta TAD722VE
-   Volvo Penta TAD520VE

-   **Engine Family:** TAD
-   **HP Range:** Approximately 237-280 HP
-   **Year Range:** Approximately 1998 - 2006

## ⚙️ Key Features

-   Genuine Volvo Penta air-compressor housing o-ring
-   Designed for the pto-a air compressor - exchange assembly
-   Direct service replacement for Volvo Penta part number 20460485
-   O-ring sealing the compressor-to-engine or compressor-housing joint on the documented exchange-unit installation
-   Engine type: 7.2-litre six-cylinder turbocharged industrial diesel

## 🔌 Function

O-ring sealing the compressor-to-engine or compressor-housing joint on the documented exchange-unit installation.

## ⚠️ Common Signs of Failure

-   Oil seeping from the compressor-to-engine joint
-   Damp, dirt-caked film following the housing joint line
-   Oil level dropping slowly with no other source found
-   O-ring found hardened, flattened or squared off on removal
-   Seal nicked, twisted or extruded from its groove during assembly

## 🛠️ Service Notes

-   Treat the seal as a single-use service item and clean both mating surfaces without scratching them
-   Lubricate only where specified and avoid sealants unless the workshop procedure explicitly requires one

## 🔄 Supersession & Cross Reference

### OEM / Related Numbers

-   20460500 - complete 300cm³ PTO-A air compressor
-   20460484 → 21018602 - application drive-gear chain
-   20460467 - application housing O-rings
-   20460491 - compressor unloader actuator
-   20460497 - bushing, control piston and mounting gasket
-   20460498 - bushing, control piston and mounting gasket
-   20460499 - bushing, control piston and mounting gasket
-   20460483 → 22800854 - related compressor piston / service-kit chain
-   20460486 - application compressor repair kit

### Other-Brand OEM Numbers

-   VOE20460485 - Volvo Construction Equipment prefixed number format

### OEM Reman Alternatives

-   20460487 - related exchange compressor reference
-   20460489 - application air-compressor variant; E.U. / exchange reference 20460495
-   20460490 - application air compressor; E.U. / exchange reference 20460487

## 📦 Condition

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

## Details

- **Price:** 128.28 AUD
- **Vendor:** Volvo Penta
- **Type:** Gaskets & Seals
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 128.28 AUD | In stock |

## Images

- 20460485 O-Ring | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20460485-o-ring-genuine-volvo-penta)
> Updated: 2026-09-06