# 3807910 Hydraulic Unit | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta hydraulic unit from the Starting System group, weighing 47 kg and listed for 9 applications across D and MD series engines. Hydraulic unit 3807909 shares the name and the same applications but weighs 14.568 kg, so the weight is what separates them.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta D5A-B TA
-   Volvo Penta D5A-T
-   Volvo Penta D5A-TA
-   Volvo Penta D7A-B TA
-   Volvo Penta D7A-T
-   Volvo Penta D7A-TA
-   Volvo Penta D7C-TA
-   Volvo Penta MD2010
-   Volvo Penta MD2010B

-   **Engine Family:** D, MD

## ⚙️ Key Features

-   47 kg
-   9 applications across D and MD series engines
-   The heavier of the two hydraulic units, against 14.568 kg for 3807909

## 🔌 Function

Stores and delivers hydraulic pressure to crank the engine on a hydraulic starting system.

## ⚠️ Common Signs of Failure

-   Engine cranking slowly or not at all
-   Stored pressure bleeding away between starts
-   Hydraulic oil weeping from the unit or its hoses
-   Pressure not building while the charging pump runs
-   Groaning or knocking from the unit as it charges

## 🛠️ Service Notes

-   Discharge the stored pressure before disconnecting anything — the unit holds energy with the engine stopped
-   At 47 kg this is a lifting-gear item and may need freight rather than standard parcel carriage
-   Check charge pressure and the hoses before condemning the unit

## 📦 Condition

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

## Details

- **Price:** 8231.73 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 8231.73 AUD | In stock |

## Images

- 3807910 Hydraulic Unit | Genuine Volvo Penta Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3807910-hydraulic-unit-genuine-volvo-penta)
> Updated: 2026-08-22