# 3869043 Aquamatic Drive | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta Aquamatic drive with the 1.59:1 gear ratio for the DPX series, weighing 55.48 kg and listed for one application. It supersedes part number 3868641.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta DPX-A

-   **Engine Family:** DPX

## ⚙️ Key Features

-   1.59:1 ratio
-   DPX series
-   55.48 kg
-   Supersedes 3868641

## 🔌 Function

Complete duo prop sterndrive that turns the engine output through the bevel gears to the two contra-rotating propeller shafts, and carries the steering and trim movement.

## ⚠️ Common Signs of Failure

-   Oil weeping from the seals or an oily film on the leg
-   Drive oil milky or emulsified, showing water ingress
-   Whine or growl from the gears that changes with load
-   Vibration or a knock when engaging gear
-   Corrosion and paint blistering on the castings

## 🛠️ Service Notes

-   The other DPX drive here is 3869041 at 1.47:1, so match the ratio to the engine and gear set rather than judging by the 2.5 kg difference
-   Heavy unit needing lifting gear and freight handling
-   Renew the transom seals and bellows while the drive is off, and match the duo prop set to the ratio

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   3869043 → Supersedes 3868641

### OEM / Related Numbers

-   3868641 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 29385.32 AUD
- **Vendor:** Volvo Penta
- **Type:** Drives & Propulsion
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 29385.32 AUD | In stock |

## Images

- 3869043 Aquamatic Drive | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3869043-aquamatic-drive-genuine-volvo-penta)
> Updated: 2026-09-06