# 20554913 Hex Socket Screw | Genuine Volvo Penta Part

## 🔧 Product Description

This genuine Volvo Penta hex. socket screw is an OEM service component used in the Fuel-System Hexagon-Socket Screw. It is manufactured to the original Volvo Penta dimensional, material and interface requirements for the documented Volvo Penta 4-litre TAD4 industrial diesel application. Technical identification: Hexagon-socket screw securing the specified engine component. In service, it provides the specified clamp load and mechanical retention for the associated assembly. Selection must be confirmed by OEM part number 20554913, the exact model/product number, serial number and installed assembly configuration.

## 🚤 Compatibility

-   **Engine Family:** TD, TAD

Full model list at the end of this description.

## ⚙️ Key Features

-   Genuine Volvo Penta OEM hex. socket screw
-   OEM part number 20554913
-   Technical distinction: Hexagon-socket screw securing the specified engine component
-   2 used per assembly

## 🔌 Function

Provides the clamp load and mechanical retention at the joint it secures on the engine.

## ⚠️ Common Signs of Failure

-   The joint the screw secures working loose or weeping
-   Screw found finger-slack on a routine check
-   Head corroded or rounded so a spanner will not bite
-   Stretched shank or a pulled thread found on removal

## 🛠️ Service Notes

-   Supersedes 20459902

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   20554913 → Supersedes 20459902

### OEM / Related Numbers

-   20459902 earlier number superseded by this part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 TAD520GE, TAD520VE
-   Volvo Penta TAD530GE MECH, TAD530GE EDC4
-   Volvo Penta TAD531GE MECH, TAD531GE EDC4
-   Volvo Penta TAD720GE, TAD720VE
-   Volvo Penta TAD721GE, TAD721VE
-   Volvo Penta TAD722GE, TAD722VE
-   Volvo Penta TAD730GE MECH, TAD730GE EDC4
-   Volvo Penta TAD731GE MECH, TAD731GE EDC4
-   Volvo Penta TAD420VE
-   Volvo Penta TAD532GE EDC4
-   Volvo Penta TAD620VE
-   Volvo Penta TAD732GE EDC4
-   Volvo Penta TAD733GE EDC4
-   Volvo Penta TD520GE
-   Volvo Penta TD720GE

## Details

- **Price:** 11.75 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 11.75 AUD | In stock |

## Images

- 20554913 Hex Socket Screw | Genuine Volvo Penta Part
- 20554913 Hex Socket 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/20554913-hex-socket-screw-genuine-volvo-penta)
> Updated: 2026-10-20