# 21124888 Kit | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta SX-MPH Complete Transom Shield Update Kit - Part Number: 21124888

  

A genuine Volvo Penta transom-shield update package for SX-MPH installations. It replaces the earlier shield reference and includes the complete shield plus the larger water-inlet hose needed to connect the 1-1/4-inch shield fitting to the vessel-side cooling-water connection.

  

Kit Contents:

  

• 1 x complete transom shield assembly - Volvo Penta 3817147

• 1 x 1-1/4-inch water intake hose - Volvo Penta 3842985

  

⚙️ Key Features

  

• Genuine Volvo Penta complete transom-shield kit

• Two major individually numbered components

• Updates earlier transom shield 3857642

• Includes revised water-intake hose

• Designed for SX-MPH installations

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 21124888 service kit replaces / updates transom shield 3857642 where specified

  

OEM / Related Numbers:

  

• 21124888

• 3817147

• 3842985

• 3857642 earlier transom shield

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• SX-MPH transom-shield replacement

• Sterndrive repower and transom overhaul

• Cooling-water inlet update

  

Typically suits:

  

• Engine models / drive models:

• SX-MPH transom shield

• SX-M sterndrive installations using the specified SX-MPH shield update

  

• HP Range: Not horsepower-specific

• Engine Type: Volvo Penta SX-M family sterndrive transom assembly

• Year Range: Approximately 1999 onward for the applicable shield generation

• Serial Range: Transom-shield model, cut-out and water-hose arrangement controlled; confirm the shield serial number before ordering

  

🔌 Function

  

The shield supports the sterndrive at the transom, provides steering and trim attachment points and routes cooling water through the revised inlet hose.

  

Common signs replacement or overhaul is required:

  

• Transom shield is corroded, cracked or damaged

• Gimbal or steering support is worn beyond repair

• Water-inlet connection must be updated

• A complete sterndrive transom rebuild is required

• Earlier shield 3857642 is being replaced

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 3337.65 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 3337.65 AUD | In stock |

## Images

- 21124888 Kit | Genuine Volvo Penta Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21124888-kit-genuine-volvo-penta)
> Updated: 2026-07-29