# 3853851 Oil Pump | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta oil pump from the Lubricating and Oil System group, weighing 1.614 kg and listed for 8 applications. It supersedes part number 856390.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta 5.7GLPMDA
-   Volvo Penta 5.7GiIMDA
-   Volvo Penta 5.7GiPHUS
-   Volvo Penta 5.7GiPMDA
-   Volvo Penta 5.7GiPMDACE
-   Volvo Penta 5.7GiPNCACE
-   Volvo Penta 5.7GIPNCMCE
-   Volvo Penta 5.7GLIMDA

## ⚙️ Key Features

-   Supersedes 856390
-   1.614 kg
-   Lubricating and Oil System group
-   Listed for 8 applications

## 🔌 Function

Draws oil from the sump and delivers it under pressure to the bearings, camshaft and valve gear.

## ⚠️ Common Signs of Failure

-   Oil pressure low or fluctuating, worst hot and at idle
-   Oil pressure alarm or warning lamp coming on
-   Whine or rattle from the front of the engine
-   Gear faces and pump body scored or polished on strip-down
-   Excessive clearance between the gears and the housing

## 🛠️ Service Notes

-   Renew the pickup screen and its gasket at the same time, and prime the pump with clean oil before the first start
-   Establish why the old pump failed before fitting this one - debris from a bearing failure will destroy a new pump quickly

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   3853851 → Supersedes 856390 → Supersedes 856064 → Supersedes 835371

### OEM / Related Numbers

-   856390 earlier number superseded by this part
-   856064 earlier number superseded by this part
-   835371 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 770.88 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 770.88 AUD | In stock |

## Images

- 3853851 Oil Pump | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3853851-oil-pump-genuine-volvo-penta)
> Updated: 2026-08-22