# 840557 Seawater Pump | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta pump from the Cooling System group for the 2001, 2001B and 2001AG engines, weighing 0.764 kg and listed for 16 applications on D series engines. It supersedes part number 861009.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta 2003
-   Volvo Penta 2003R
-   Volvo Penta D2003AG
-   Volvo Penta 2001AG
-   Volvo Penta 2001B
-   Volvo Penta 2001BG
-   Volvo Penta 2001D
-   Volvo Penta 2003D
-   Volvo Penta 2002AG
-   Volvo Penta 2002B
-   Volvo Penta 2002BG
-   Volvo Penta 2002D
-   Volvo Penta 2003B
-   Volvo Penta 2001
-   Volvo Penta 2002
-   Volvo Penta 2001R

-   **Engine Family:** D

## ⚙️ Key Features

-   For 2001, 2001B and 2001AG engines
-   0.764 kg
-   16 published applications on D series engines
-   Supersedes 861009

## 🔌 Function

Circulates coolant through the engine so heat is carried away from the cylinders and head.

## ⚠️ Common Signs of Failure

-   Engine running hot or the temperature climbing under load
-   Coolant weeping from the pump seal or the weep hole
-   Rumble, whine or roughness from the pump bearing
-   Play felt at the pump pulley or shaft
-   Impeller corroded or eroded on strip-down

## 🛠️ Service Notes

-   The note names the 2001, 2001B and 2001AG engines, so confirm your engine designation before ordering
-   Renew the drive belt, gaskets and hoses at the same time and refill with the correct coolant mix
-   Pump rotor 840709 and gasket 840795 are listed as parts of repair kit 876270 for the circulation pump, so a repair may be an alternative to a whole pump

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   840557 → Supersedes 861009

### Other-Brand OEM Numbers

-   Johnson Pump: F35B-902
-   Johnson Pump: 10-24178-2

## 📦 Condition

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

## Details

- **Price:** 1185.17 AUD
- **Vendor:** Volvo Penta
- **Type:** Pumps
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1185.17 AUD | In stock |

## Images

- 840557 Seawater Pump | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/840557-seawater-pump-genuine-volvo-penta)
> Updated: 2026-10-21