# 21903541 Shutter | Genuine Volvo Penta Part

## 🔧 Product Description

Actuated shutter assembly used in a Volvo Penta marine propulsion airflow or exhaust-control system. The blade, shaft and housing are calibrated for the original actuator and control strategy; the complete engine product number determines fitment.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta IPS15-C
-   Volvo Penta D8A2-A MP
-   Volvo Penta D8A4-A MP
-   Volvo Penta IPS15-B
-   Volvo Penta IPS15-A
-   Volvo Penta D8A8-A MP

-   **Engine Family:** IPS, D

## ⚙️ Key Features

-   Application-specific blade and housing
-   Matched actuator / shaft interface
-   Controls airflow or exhaust flow
-   Designed for engine-control strategy
-   Calibration and

## 🔌 Function

Regulates or closes an air/exhaust passage as commanded for engine control, shutdown, warm-up or emissions operation.

## ⚠️ Common Signs of Failure

-   Sticking or restricted blade movement
-   Actuator overload or position fault
-   Reduced power or abnormal airflow
-   Soot/oil deposits causing binding
-   Air or exhaust leakage around the shaft and housing

## 🛠️ Service Notes

-   This shutter's fitment spans both D8A-A MP engines and the matched IPS drive (IPS15-A/B/C) — confirm which one the boat has before ordering, since the same "shutter" description covers different actuator and housing combinations across this item type
-   Check the pivot and any return spring or seal while it is apart, and confirm smooth full-travel movement of the blade before closing up

## 🔄 Supersession & Cross Reference

### OEM / Related Numbers

-   3887077 - separate Volvo Penta shutter reference
-   21416775 - other air-shutter references, not automatically interchangeable
-   22901159 - other air-shutter references, not automatically interchangeable
-   22853275 - other air-shutter references, not automatically interchangeable
-   22906604 - shutter-shaft reference

## 📦 Condition

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

## Details

- **Price:** 1530.27 AUD
- **Vendor:** Volvo Penta
- **Type:** Inlet & Exhaust
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1530.27 AUD | In stock |

## Images

- 21903541 Shutter | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21903541-shutter-genuine-volvo-penta)
> Updated: 2026-09-19