# 21947168 Kit | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta IS900 900mm Interceptor Trimming Plate Kit - Part Number: 21947168

  

A genuine Volvo Penta 900mm interceptor trimming-plate assembly for the IS900 boat-trim system.

  

The plate mounts across the transom and deploys vertically to generate hydrodynamic lift with considerably less protrusion than a conventional trim tab. Servo units, wiring harnesses, drive shafts and control modules are separate system components.

  

⚙️ Key Features

  

• Genuine Volvo Penta OEM IS900 trimming plate

• Correct Volvo Penta part number 21947168

• Nominal plate width: 900mm

• Low-profile vertical interceptor design

• Integrates with Volvo Penta electronic interceptor controls

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 21947168 current Volvo Penta IS900 trimming-plate reference

  

OEM / Related Numbers:

  

• 21947168

• 21948237 related servo-unit kit

• 21875630 earlier/obsolete individual servo unit

• 21888969 related drive-shaft kit

• 21875632 related wiring harness

• 22728820 related mounting-plate kit

  

Kit Contents:

  

• IS900 900mm trimming-plate assembly - part number 21947168 - quantity 1

• Internal blade, housing and fixed plate components are supplied as assembly under the same part number

• Servo-unit kit 21948237, drive-shaft kit 21888969, harnesses, mounting plate and installation hardware are separate

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta IS900 interceptor systems

• Automatic or manual vessel trim, list and planing-angle control

  

Typically suits:

  

• Engine / Drive models:

• IS900 interceptor installation

• D4, D6, D8, D9, D11 and D13 marine packages using the corresponding Volvo interceptor control system

• D11B3-A MP / D11B4-A MP installations where the serial-numbered interceptor diagram specifies this plate

  

• HP Range: Vessel and propulsion-package dependent

• Engine / Drive Type: Volvo Penta electronic transom-mounted interceptor trim system

• Year Range: Approximately late 2000s onward; hull width and system configuration control selection

  

🔌 Function

  

The plate deploys a vertical blade into the water flow to create controlled stern lift, correct vessel list and optimise running trim.

  

Common signs of failure or incorrect fitment:

  

• Plate blade will not deploy or retract

• Housing or blade damaged by impact or fouling

• Unequal trim between port and starboard

• Water intrusion around the transom installation

• Incorrect plate width selected for the hull or control system

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 6286.64 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 6286.64 AUD | In stock |

## Images

- 21947168 Kit | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21947168-kit-genuine-volvo-penta)
> Updated: 2026-07-30