# 840617 Screw | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta screw from the Lubricating and Oil System group, weighing 0.027 kg and listed for 1 application on MD series engines. It supersedes part number 3875691.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta MD6A

-   **Engine Family:** MD

## ⚙️ Key Features

-   0.027 kg
-   1 published application on MD series engines
-   Supersedes 3875691

## 🔌 Function

Clamps the oil system component to its mounting and, where drilled, carries oil through its centre.

## ⚠️ Common Signs of Failure

-   Oil weeping around the screw head
-   Thread stretched, corroded or pulled
-   Head damaged from previous removal
-   Screw working loose in service
-   Drilling through the screw blocked

## 🛠️ Service Notes

-   Adapter 840616 replaces the same number 3875691 on the same single MD application, so establish which of the two you need or order both
-   Fit a new sealing washer and tighten to the figure for the joint rather than by feel

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   840617 → Supersedes 3875691

## 📦 Condition

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

## Details

- **Price:** 159.13 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 159.13 AUD | In stock |

## Images

- 840617 Screw | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/840617-screw-genuine-volvo-penta)
> Updated: 2026-09-06