# 959447 Hex Socket Screw | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta hexagon socket screw published at 0.039 kg and listed for 41 applications across the AQ, BB, MS and B series. It supersedes 832580, and it is the only socket screw in this run listed on the MS transmissions alongside 959213.

## 🚤 Compatibility

-   **Engine Family:** AQ, BB, MS, B

Full model list at the end of this description.

## ⚙️ Key Features

-   0.039 kg
-   41 applications across the AQ, BB, MS and B series
-   Supersedes 832580
-   One of only two socket screws here covering the MS transmissions

## 🔌 Function

Clamps a joint together, drawing the two parts up tight as the socket head is torqued down.

## ⚠️ Common Signs of Failure

-   Screw working loose at the joint
-   Socket rounded so a key slips
-   Threads stripped or galled
-   Corrosion seizing the screw
-   Head snapped on removal

## 🛠️ Service Notes

-   Clean the female thread before fitting and torque to the manual figure

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   959447 → Supersedes 832580

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta 230A, 230B, 231LB, 250A, 250B, 271LB, 275A, 280B, 285A, 290DP
-   Volvo Penta B230, B230E, B230F, B230FB, B230FX
-   Volvo Penta AQ131A, AQ131B, AQ131C, AQ131D
-   Volvo Penta AQ271A, AQ271C, AQ271B, AQ271D
-   Volvo Penta BB225A, BB225AV, BB225B, BB225C
-   Volvo Penta AQ225D, AQ225E, AQ225F
-   Volvo Penta BB260AV, BB260B, BB260C
-   Volvo Penta AQ231A, AQ231B
-   Volvo Penta AQ260A, AQ260B
-   Volvo Penta MS3B, MS3C
-   Volvo Penta AQ125B
-   Volvo Penta MS4A

## Details

- **Price:** 61.3 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 61.30 AUD | In stock |

## Images

- 959447 Hex Socket Screw | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/959447-hex-socket-screw-genuine-volvo-penta)
> Updated: 2026-08-22