# 20459830 Flange Screw | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta flange screw, 75 mm long, from the Inlet and Exhaust System group, weighing 0.02 kg and listed for 5 fitments across the TD and TAD series. It supersedes 20459834 and 20482373, catalogued earlier as a hexagon screw and a screw.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TD420VE
-   Volvo Penta TAD620VE
-   Volvo Penta TAD650VE
-   Volvo Penta TAD660VE
-   Volvo Penta TAD420VE

-   **Engine Family:** TD, TAD

## ⚙️ Key Features

-   75 mm long
-   0.02 kg
-   Inlet and Exhaust System group
-   Supersedes 20459834 and 20482373, catalogued earlier as a hexagon screw and a screw
-   Listed for 5 fitments across the TD and TAD series
-   L=75mm (Volvo assembly listing)
-   Quantity varies by assembly, most commonly four

## 🔌 Function

Clamps the joint while its integral flange spreads the load across the mating face.

## ⚠️ Common Signs of Failure

-   The screw found loose or backed off at its position
-   The joint weeping or blowing where the clamp load has been lost
-   The flange face marked or dished from over-tightening
-   The thread corroded or galled, shearing on removal
-   The head rounded so a socket no longer grips

## 🛠️ Service Notes

-   Order by length - this screw is 75 mm, and a workshop list quoting 20459834 or 20482373 is filled by this number
-   Do not add a washer under the flange, as the flange is the designed bearing face

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   20459830 → Supersedes 20459834

### OEM / Related Numbers

-   20482373 earlier number superseded by this part
-   20459834 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 4.65 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 4.65 AUD | In stock |

## Images

- 20459830 Flange Screw | Genuine Volvo Penta Part
- 20459830 Flange 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/20459830-flange-screw-genuine-volvo-penta)
> Updated: 2026-10-10