# 21493555 Heat Shield | Genuine Volvo Penta Part

## 🔧 Product Description

A formed thermal-protection panel used in the engine-cover assembly on Volvo Penta D13 marine propulsion engines. It is one of three separately numbered heat shields in the assembly and is shaped for its own mounting position; 21493555, 21493557 and 21493559 are not interchangeable.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta D13C2-B MP
-   Volvo Penta D13C1-A MP
-   Volvo Penta D13C2-A MP
-   Volvo Penta D13C4-A MP
-   Volvo Penta D13B-A MP
-   Volvo Penta D13B-H MP
-   Volvo Penta D13B-G MP
-   Volvo Penta D13B-L MP
-   Volvo Penta D13B-K MP
-   Volvo Penta D13B-B MP
-   Volvo Penta D13B-D MP
-   Volvo Penta D13B-J MP
-   Volvo Penta D13B-M MP
-   Volvo Penta D13B-C MP
-   Volvo Penta D13C4-B MP
-   Volvo Penta D13C5-B MP
-   Volvo Penta D13C6-A MP
-   Volvo Penta D13C5-A MP
-   Volvo Penta D13C7-B MP
-   Volvo Penta D13C8-B MP

-   **Engine Family:** D
-   **HP Range:** Approximately 0-800 HP
-   **Year Range:** Approximately 2009 - 2020

## ⚙️ Key Features

-   Genuine Volvo Penta formed engine-cover heat shield
-   Limits radiant heat transfer from high-temperature engine and exhaust components
-   Helps protect covers, wiring, hoses and nearby service components
-   Mounts with dedicated grommets, spacers and flange screws
-   Direct replacement for the corresponding panel in the D13 engine-cover assembly
-   Engine type: 12.8L inline six-cylinder turbocharged and charge-air-cooled marine diesel

## 🔌 Function

Forms a thermal barrier between high-temperature engine components and the outer engine-cover area. It reduces radiant heat exposure and helps preserve adjacent electrical, rubber and composite parts.

## ⚠️ Common Signs of Failure

-   Cracked, split or distorted shield panel
-   Loose shield or metallic rattling while the engine is running
-   Missing or deteriorated mounting grommets and spacers
-   Heat discoloration or damage on nearby covers, wiring or hoses
-   Broken mounting points or fasteners that no longer retain the shield securely

## 🛠️ Service Notes

-   Fit heat shields before anything else is routed near the exhaust, and check there is clear air space between the shield and every hose, cable, fuel line and belt
-   Renew any insulation, gaskets, spacers or standoffs supplied with the shield; a shield clamped flat onto a hot surface loses much of its effect
-   Tighten the fixings evenly and only to the figure in the workshop manual for your engine — the tabs and brackets are thin and distort easily
-   Never run the engine with a shield missing or loose: bare exhaust surfaces are a fire risk in an engine space and a burn risk to anyone working alongside
-   Check the shield and its fasteners whenever the exhaust is disturbed, as vibration works them loose and a rattling shield soon cracks at its mounting tabs

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   21493555 → Supersedes 3889717

### OEM / Related Numbers

-   3889717 earlier number superseded by this part
-   21356811 → replaced by 23440887 - adjacent engine-cover heat shield
-   21493557 - separately positioned heat shield
-   21493559 - separately positioned heat shield
-   992404 - mounting grommet
-   40005089 - mounting spacer
-   21613472 - support bracket
-   984735, 984732, 984734 - associated flange screws

## 📦 Condition

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

## Details

- **Price:** 423.35 AUD
- **Vendor:** Volvo Penta
- **Type:** Inlet & Exhaust
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 423.35 AUD | In stock |

## Images

- 21493555 Heat Shield | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21493555-heat-shield-genuine-volvo-penta)
> Updated: 2026-09-06