# 21687551 Cover | Genuine Volvo Penta Part

## 🔧 Product Description

Protective cap used to close a serial-specific Volvo Penta housing, pipe or service opening. Some catalogues identify this component as a cap rather than a broad cover.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta D6-440I-G
-   Volvo Penta D6-480I-G
-   Volvo Penta D6-440I-WJ-G
-   Volvo Penta D6-480I-WJ-G
-   Volvo Penta D6-440D-G
-   Volvo Penta D6-480D-G
-   Volvo Penta D6-400A-G
-   Volvo Penta D6-440A-G
-   Volvo Penta D6-480A-G

-   **Engine Family:** D
-   **HP Range:** 400-480 HP

## ⚙️ Key Features

-   Genuine Volvo Penta closure component
-   Correct profile and retaining features
-   Protects the underlying opening from dirt and moisture
-   Oil- and heat-resistant material
-   Exact assembly verification required

## 🔌 Function

Closes and protects the opening on assembly 21776918, keeping dirt and moisture out of what sits beneath it.

## ⚠️ Common Signs of Failure

-   Cover found cracked, split or missing
-   Dirt or water found in the opening it should close
-   Retaining features broken so the cover will not stay seated
-   Plastic gone brittle or discoloured with heat and age

## 🛠️ Service Notes

-   This is the plastic cover for 21776918, so confirm the assembly number before ordering

## 🔄 Supersession & Cross Reference

### Other-Brand OEM Numbers

-   VOE21687551

## 📦 Condition

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

## Details

- **Price:** 512.94 AUD
- **Vendor:** Volvo Penta
- **Type:** Cooling System
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 512.94 AUD | In stock |

## Images

- 21687551 Cover | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21687551-cover-genuine-volvo-penta)
> Updated: 2026-10-09