# 963566 Hexagon Screw | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta hexagon screw 16 mm long, weighing 0.02 kg and listed for 29 applications on D, K and IPS units. It supersedes 3856829. Order by the stated length — 963567 is the 20 mm screw and 963582 the 35 mm, and the published weights across the three do not run in step with length.

## 🚤 Compatibility

-   **Engine Family:** D, K, IPS
-   **HP Range:** 260-435 HP

Full model list at the end of this description.

## ⚙️ Key Features

-   16 mm long
-   0.02 kg
-   29 listed applications
-   Fits D, K and IPS units
-   Supersedes 3856829
-   L=16mm (Volvo assembly listing)
-   3 used per assembly
-   Also supersedes Volvo part numbers 852570, 853656, 853958, 872805, 872806 and 873080

## 🔌 Function

Clamps two components together, the head bearing on one face while the thread draws into the other.

## ⚠️ Common Signs of Failure

-   Head rounded off
-   Thread stripped or cross-started
-   Screw found loose, with the joint face fretted
-   Corrosion under the head
-   Screw sheared on removal

## 🛠️ Service Notes

-   A unit documented against 3856829 takes this screw

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   963566 → Supersedes 3856829

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta D6-330D-E, D6-370D-E, D6-330D-C, D6-370D-C, D6-330D-D, D6-370D-D, D6-310D-D, D6-310D-C, D6-310D-E, D6-435D-D, D6-435D-E, D6-435D-C
-   Volvo Penta D4-260D-C, D4-260D-D, D4-260D-E, D4-300D-C, D4-300D-D, D4-300D-E
-   Volvo Penta IPS-A, IPS-B, IPS-C, IPS-D, IPS-E
-   Volvo Penta 8.1IPSCE-JF, 8.1IPSCE-MF, 8.1IPSCE-P, 8.1IPSCE-Q, 8.1IPSE-JF
-   Volvo Penta K32

## Details

- **Price:** 1.2 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1.20 AUD | In stock |

## Images

- 963566 Hexagon Screw | Genuine Volvo Penta Part
- 963566 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/963566-hexagon-screw-genuine-volvo-penta)
> Updated: 2026-09-06