# 984859 Flange Screw | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta flange screw weighing 0.107 kg and listed for 18 applications on D series engines. It supersedes part number 966364, a number catalogued earlier as a hexagon screw.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta D6-340I-G
-   Volvo Penta D6-380I-G
-   Volvo Penta D6-440I-G
-   Volvo Penta D6-480I-G
-   Volvo Penta D6-300A-G
-   Volvo Penta D6-340A-G
-   Volvo Penta D6-380A-G
-   Volvo Penta D6-440I-WJ-G
-   Volvo Penta D6-480I-WJ-G
-   Volvo Penta D6-300D-G
-   Volvo Penta D6-340D-G
-   Volvo Penta D6-380D-G
-   Volvo Penta D6-440D-G
-   Volvo Penta D6-480D-G
-   Volvo Penta D6-400A-G
-   Volvo Penta D6-440A-G
-   Volvo Penta D6-300I-G
-   Volvo Penta D6-480A-G

-   **Engine Family:** D
-   **HP Range:** 300-480 HP

## ⚙️ Key Features

-   0.107 kg
-   18 applications on D series engines
-   Supersedes 966364, formerly listed as a hexagon screw
-   5 used per assembly

## 🔌 Function

Clamps two components together, its integral flange spreading the load across the joint face in place of a separate washer.

## ⚠️ Common Signs of Failure

-   Screw working loose, with the joint face fretting around the head
-   Thread picked up, galled or stripped on removal
-   Head corroded or its drive rounded so a socket slips
-   Thread binding part way down, showing the screw has stretched

## 🛠️ Service Notes

-   The superseded number was a hexagon screw, so an old joint may have carried a separate washer that the flange now replaces

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   984859 → Supersedes 966364 → Supersedes 971003 → Supersedes 962911

### OEM / Related Numbers

-   966364 earlier number superseded by this part
-   971003 earlier number superseded by this part
-   962911 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 10.47 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 10.47 AUD | In stock |

## Images

- 984859 Flange Screw | Genuine Volvo Penta Part
- 984859 Flange Screw | Genuine Volvo Penta Part - photo 2 of 2

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/984859-flange-screw-genuine-volvo-penta)
> Updated: 2026-10-10