# 984731 Flange Screw | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta flange screw weighing 0.018 kg and listed for 29 applications across the D, TWD and TAD series engines. It supersedes part number 965178, catalogued earlier simply as a screw.

## 🚤 Compatibility

-   **Engine Family:** D, TWD, TAD

Full model list at the end of this description.

## ⚙️ Key Features

-   0.018 kg
-   Supersedes 965178
-   29 applications
-   Covers the D, TWD and TAD series engines
-   Quantity varies by assembly, most commonly two

## 🔌 Function

Clamps two components together under tension, the integral flange spreading the load across the mounting face.

## ⚠️ Common Signs of Failure

-   Screw slack or the joint moving
-   Flange bent or cracked at the head
-   Thread galled, stripped or seized
-   Head rounded so no socket will grip
-   Corrosion under the flange face

## 🛠️ Service Notes

-   984729 and 984730 are the other two screws in this 965176 to 965178 replacement run and cover the same ranges, so order by part number
-   Do not add a washer under the flange - it changes how the joint pulls up

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   984731 → Supersedes 965178 → Supersedes 3580054 → Supersedes 3583656

### OEM / Related Numbers

-   965178 earlier number superseded by this part
-   3580054 earlier number superseded by this part
-   3583656 earlier number superseded by this part

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta D13C2-B MP, D13B-E MG, D13B-E MG (FE), D13B-N MH, D13B-N MH (FE), D13C4-B MP, D13C5-B MP, D13C1-B MG, D13C3-B MG, D13C7-B MP, D13C8-B MP
-   Volvo Penta D16C1-E MG, D16C1-F MG, D16C2-E MG, D16C2-F MG, D16C1-E MH, D16C1-F MH, D16C2-E MH, D16C2-F MH
-   Volvo Penta TAD1170-72VE
-   Volvo Penta TAD1371-75VE
-   Volvo Penta TAD870-73VE
-   Volvo Penta TWD1644-45GE
-   Volvo Penta TWD1652GE
-   Volvo Penta TWD1653GE
-   Volvo Penta TWD1672-1673GE
-   Volvo Penta TWD1682-83GE
-   Volvo Penta TWD1683GE-B
-   Volvo Penta TWD1744GE

## Details

- **Price:** 4.53 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 4.53 AUD | In stock |

## Images

- 984731 Flange Screw | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/984731-flange-screw-genuine-volvo-penta)
> Updated: 2026-10-09