# 21425546 Antenna Base | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine mounting base for the Volvo Penta Dynamic Positioning System antenna. It provides the designed mechanical support and cable route for the GPS or positioning antenna used by EVC and IPS station-keeping systems.

## 🚤 Compatibility

-   **Engine Family:** D
-   **HP Range:** 180-435 HP

Full model list at the end of this description.

## ⚙️ Key Features

-   Dynamic Positioning System antenna mount
-   IPS and EVC positioning-system application
-   Factory antenna thread and mounting geometry
-   Provides cable support and environmental sealing
-   Documented D3 and D13 EVC-E2 applications

## 🔌 Function

The base supports the positioning antenna at the correct orientation and protects the antenna cable entry.

## ⚠️ Common Signs of Failure

-   Loose or damaged antenna
-   Water entering the cable connection
-   Dynamic Positioning unavailable
-   Intermittent GPS or heading input
-   Corrosion at the mount

## 🛠️ Service Notes

-   Used for IPS and EVC-E2 dynamic-positioning installations on the D3-D13 range listed for this part - confirm your control system version before ordering, since IPS and EVC antenna bases are not the same fitting
-   At 0.34 kg, this is a lighter base than other DPS antenna mounts in the range - verify the thread and mounting geometry against your antenna before ordering, and bed it in fresh sealant with a sealed cable entry on refitting

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   21425546 → Supersedes 21300823

### OEM / Related Numbers

-   21300823 earlier number superseded by this part

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta D13C1-A MP, D13C2-A MP, D13C3-A MP, D13C4-A MP, D13B-E MH, D13B-E MH (FE), D13B-N MH, D13B-N MH (FE), D13C6-A MP, D13C1-A MH, D13C2-A MH, D13C5-A MP
-   Volvo Penta D6-330A-F, D6-370A-F, D6-330D-F, D6-370D-F, D6-300A-F, D6-300D-F, D6-300I-F, D6-330I-F, D6-370I-F, D6-435D-F, D6-400A-F, D6-435I-F
-   Volvo Penta D9A2J, D9A2G, D9A2D, D9A2B, D9A2F, D9A2K, D9A2H, D9A2A, D9A2C, D9A2E
-   Volvo Penta D4-260A-F, D4-260D-F, D4-260I-F, D4-300A-F, D4-300D-F, D4-180I-F, D4-225I-F, D4-300I-F, D4-225A-F
-   Volvo Penta D11B3-A MP, D11B4-A MP, D11B2-A MP, D11B1-A MP

## Details

- **Price:** 273.11 AUD
- **Vendor:** Volvo Penta
- **Type:** Electrical & Wiring
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 273.11 AUD | In stock |

## Images

- 21425546 Antenna Base | Genuine Volvo Penta Part
- 21425546 Antenna Base | Genuine Volvo Penta Part - photo 2 of 2

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21425546-antenna-base-genuine-volvo-penta)
> Updated: 2026-09-19