# 21921731 Cover | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta Engine Housing Cover, part number 21921731. A genuine cover used to close the associated Volvo Penta engine housing and compress gasket 21921748.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta HPCU-A
-   Volvo Penta TB66-150-A

-   **Engine Family:** HPCU, TB

## ⚙️ Key Features

-   Cover for the associated engine housing
-   0.207 kg
-   Listed for two applications across HPCU and TB installations
-   Compresses gasket 21921748

## 🔌 Function

Closes the housing and holds its gasket compressed, keeping water, dirt and oil mist out of the enclosed components.

## ⚠️ Common Signs of Failure

-   Water or dirt found inside the housing
-   Gasket squeezed flat, hardened or displaced
-   Cover distorted so its sealing face is no longer flat
-   Fasteners loose or their holes elongated
-   Corrosion on the components inside the housing

## 🛠️ Service Notes

-   Renew gasket 21921748 whenever the cover is disturbed, and pull the fasteners down evenly so the gasket is compressed all round

## 🔄 Supersession & Cross Reference

### OEM / Related Numbers

-   21921748 - matching cover gasket

## 📦 Condition

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

## Details

- **Price:** 440.47 AUD
- **Vendor:** Volvo Penta
- **Type:** Electrical & Wiring
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 440.47 AUD | In stock |

## Images

- 21921731 Cover | Genuine Volvo Penta Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21921731-cover-genuine-volvo-penta)
> Updated: 2026-10-21