# 20793482 Ring | Genuine Volvo Penta Part

## 🔧 Product Description

Application-specific ring used in the piston, connecting-rod and crankshaft assembly on the listed Volvo Penta engines. Retains or controls the specified piston/connecting-rod component within the crank mechanism.

## 🚤 Compatibility

Typically suits:

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

-   **Engine Family:** TAD
-   **HP Range:** Approximately 180-320 HP
-   **Year Range:** Approximately 2004 - 2016

## ⚙️ Key Features

-   Genuine Volvo Penta ring
-   Retains or controls the specified piston/connecting-rod component within the crank mechanism
-   Connecting rod 20793636 is documented through engine serial 10564690; later production from serial 10564691 uses 21191452.
-   Engine type: 7-litre inline-six turbocharged industrial diesel

## 🔌 Function

Retains or controls the specified piston/connecting-rod component within the crank mechanism.

## ⚠️ Common Signs of Failure

-   Knocking from the crank mechanism as the retained component moves out of position
-   Metallic debris or bright particles found in the drained oil
-   Oil pressure falling if the component the ring controls has shifted
-   On strip-down the ring is broken, distorted or found out of its groove
-   A worn or picked-up groove that will no longer hold the ring

## 🛠️ Service Notes

-   Confirm orientation, dimensions and installed quantity against the exact assembly.
-   Replace the part if there is measurable wear, deformation or loss of retention.

## 🔄 Supersession & Cross Reference

### OEM / Related Numbers

-   20585982 - connecting rod
-   21191452 - later connecting-rod reference
-   11700325 - small-end bushing
-   11700326 - connecting-rod screws
-   20405577 - piston pin
-   20766790 - standard big-end bearing
-   20717211 - 0.25mm undersize big-end bearing
-   20565188 - 0.50mm undersize big-end bearing
-   20793531 - piston-ring set
-   20793619 - piston-cooling oil nozzle
-   20790423 - oversize big-end bearing kits
-   20790428 - oversize big-end bearing kits

### Other-Brand OEM Numbers

-   VOE20793482 - Volvo Construction Equipment prefixed number format

## 📦 Condition

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

## Details

- **Price:** 2.12 AUD
- **Vendor:** Volvo Penta
- **Type:** Engine Components
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2.12 AUD | In stock |

## Images

- 20793482 Ring | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20793482-ring-genuine-volvo-penta)
> Updated: 2026-09-07