# 20790646 Cover | Genuine Volvo Penta Part

## 🔧 Product Description

Application-specific cover used in the crankcase, timing housing, flywheel and rear engine installation on the listed Volvo Penta engines. Closes the specified engine-block or flywheel-housing opening and provides the correct gasket and fastener interface.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TAD765VE
-   Volvo Penta TAD764VE
-   Volvo Penta TAD763VE
-   Volvo Penta TAD762VE
-   Volvo Penta TAD761VE

-   **Engine Family:** TAD
-   **HP Range:** Approximately 200-300 HP
-   **Year Range:** Approximately 2004 - 2015

## ⚙️ Key Features

-   Genuine Volvo Penta cover
-   Direct service replacement for part number 20790646
-   Closes the specified engine-block or flywheel-housing opening and provides the correct gasket and fastener interface
-   Engine type: 7-litre inline-six turbocharged industrial diesel

## 🔌 Function

Closes the specified engine-block or flywheel-housing opening and provides the correct gasket and fastener interface.

## ⚠️ Common Signs of Failure

-   Oil weeping from the cover joint and staining the block or housing below
-   Damp, dirt-caked edges around the cover flange
-   Cover fasteners found loose at inspection
-   On strip-down the cover is cracked, distorted or its sealing face is bruised
-   Corroded or pulled threads in the mounting holes

## 🛠️ Service Notes

-   Inspect all sealing faces, dowels and threaded holes before assembly.
-   Renew the associated gaskets and seals and follow the specified tightening sequence.

## 🔄 Supersession & Cross Reference

### OEM / Related Numbers

-   20791246 - crankcase references
-   21009706 - crankcase references
-   22037735 - crankcase references
-   22425892 - crankcase references
-   20460004 - cylinder block
-   20460006 - block screws
-   20460001 - bushings
-   20405584 - guide sleeve
-   20838068 - crankshaft
-   20791429 - flywheel companion flange
-   20791446 - sealing kit
-   20791373 - guide tubes
-   20792069 - guide tubes
-   20791465 - housing components
-   20791507 - housing components
-   20791610 - housing components
-   20405716 - plugs
-   20405718 - plugs
-   945065 - plugs
-   969011 - gasket

### Other-Brand OEM Numbers

-   VOE20790646 - Volvo Construction Equipment prefixed number format

## 📦 Condition

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

## Details

- **Price:** 25.11 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 25.11 AUD | In stock |

## Images

- 20790646 Cover | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20790646-cover-genuine-volvo-penta)
> Updated: 2026-08-22