# 21451031 Flywheel Housing | Genuine Volvo Penta Part

## 🔧 Product Description

A heavy-duty SAE 1 flywheel housing used in Volvo Penta industrial PTO-K installations. It supports the flywheel, starter interface and connected transmission or driven equipment.

## 🚤 Compatibility

Typically suits:

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

-   **Engine Family:** TAD

## ⚙️ Key Features

-   Genuine Volvo Penta SAE 1 housing
-   Designed for PTO-K industrial installations
-   Precision-machined transmission mounting face
-   Supports crankshaft and flywheel alignment
-   Separately specified from housing 21451047
-   Engine type: Heavy-duty Volvo Penta industrial diesel

## 🔌 Function

Encloses the flywheel and provides the correctly aligned SAE 1 mounting interface for the driven equipment.

## ⚠️ Common Signs of Failure

-   Cracking around the mounting flange
-   Oil leakage from the housing joint
-   Starter or transmission misalignment
-   Worn locating bore
-   Excessive driveline vibration

## 🛠️ Service Notes

-   Clean both faces back to bare metal and remove every trace of old gasket and sealant before offering the housing up; trapped debris on this joint causes both leaks and misalignment
-   Locate the housing on its dowels and pull it down evenly, working outwards from the centre, in the sequence and to the figures in the workshop manual for your engine
-   Seal the joints where the housing meets the block and the sump exactly as the manual specifies — those corners are a common source of oil weeps
-   Renew the crankshaft rear seal while the access is open rather than refitting an old one, and check its running surface at the same time
-   Confirm the housing bore and face run true to the crankshaft before hanging a gearbox or drive on it; a housing out of alignment will destroy couplings and bearings

## 🔄 Supersession & Cross Reference

### OEM / Related Numbers

-   21451047 - alternate SAE flywheel housing
-   20795923 - plug
-   993358 - gasket
-   20795762 - bushing
-   20800033 - sealing cover

## 📦 Condition

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

## Details

- **Price:** 4235.25 AUD
- **Vendor:** Volvo Penta
- **Type:** Engine Components
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 4235.25 AUD | In stock |

## Images

- 21451031 Flywheel Housing | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21451031-flywheel-housing-genuine-volvo-penta)
> Updated: 2026-09-06