# 947422 Hexagon Screw | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta hexagon screw, 50 mm long, weighing 0.032 kg and listed for 9 applications across the MD, D and AQD series. It supersedes 826556 and 826587, both catalogued earlier simply as screws. Length is what identifies it — hexagon screw 946730, also here, is the 25 mm listing.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta MD21B
-   Volvo Penta D9A2J
-   Volvo Penta D9A2G
-   Volvo Penta D9A2A
-   Volvo Penta D9A2C
-   Volvo Penta D9A2E
-   Volvo Penta MD21A
-   Volvo Penta AQD21A
-   Volvo Penta AQD21B

-   **Engine Family:** MD, D, AQD

## ⚙️ Key Features

-   50 mm long
-   0.032 kg
-   Supersedes 826556 and 826587
-   9 applications across MD, D and AQD series engines
-   L=50mm (Volvo assembly listing)
-   Quantity varies by assembly, most commonly two

## 🔌 Function

Bolts two components together, drawing them up on its own head.

## ⚠️ Common Signs of Failure

-   Joint loose or the screw found backed out
-   Head flats rounded
-   Thread stretched, galled or stripped
-   Corrosion under the head or in the tapping

## 🛠️ Service Notes

-   Check the length against the original — 946730 is the 25 mm alternative in this run
-   Clean the tapping and inspect the thread before refitting

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   947422 → Supersedes 826556

### OEM / Related Numbers

-   826587 earlier number superseded by this part
-   826556 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 8.26 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 8.26 AUD | In stock |

## Images

- 947422 Hexagon Screw | Genuine Volvo Penta Part
- 947422 Hexagon Screw | Genuine Volvo Penta Part - photo 2 of 2

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/947422-hexagon-screw-genuine-volvo-penta)
> Updated: 2026-09-06