# 3809975 Pump Piston | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta rear mounted 28 cc pump piston for hydraulic steering, from the Steering group, weighing 5.45 kg and listed for 24 applications on D series engines.

## 🚤 Compatibility

-   **Engine Family:** D
-   **HP Range:** 13-75 HP

Full model list at the end of this description.

## ⚙️ Key Features

-   Rear mounted
-   28 cc displacement
-   5.45 kg
-   24 applications on D series engines

## 🔌 Function

Displaces hydraulic fluid as the helm is turned, sending it to the steering cylinder.

## ⚠️ Common Signs of Failure

-   Steering going slack, or the wheel spinning without moving the drive
-   More turns needed at the helm than before
-   Fluid weeping at the pump body or shaft seal
-   Air in the system, with a spongy feel at the wheel
-   Stiff, notchy or noisy operation of the helm

## 🛠️ Service Notes

-   This is the rear mounted 28 cc unit — check the mounting arrangement and displacement before ordering, since these govern how the helm feels
-   Bleed the steering system fully after fitting and check the fluid level with the drive hard over both ways
-   At 5.45 kg support the pump while the helm fixings are started

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta D2-40, D2-40B, D2-40F, D2-55, D2-55B, D2-55C, D2-55D, D2-55E, D2-55F, D2-50F, D2-75, D2-75B, D2-75C, D2-75F, D2-60F
-   Volvo Penta D1-30, D1-30B, D1-30F, D1-13, D1-13B, D1-13F, D1-20, D1-20B, D1-20F

## Details

- **Price:** 1350.75 AUD
- **Vendor:** Volvo Penta
- **Type:** Steering
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1350.75 AUD | In stock |

## Images

- 3809975 Pump Piston | Genuine Volvo Penta Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3809975-pump-piston-genuine-volvo-penta)
> Updated: 2026-10-11