# 20834814 Hex Socket Screw | Genuine Volvo Penta Part

## 🔧 Product Description

Application-specific Hex. Socket Screw used in the cylinder head, valves and combustion sealing assembly on the listed Volvo Penta engines. Secures the associated component using the specified internal-hex drive, thread engagement and clamp load.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TAD550GE
-   Volvo Penta TAD551GE
-   Volvo Penta TAD734GE
-   Volvo Penta TAD750GE
-   Volvo Penta TAD751GE
-   Volvo Penta TAD752GE
-   Volvo Penta TAD753GE
-   Volvo Penta TAD754GE

-   **Engine Family:** TAD
-   **HP Range:** Approximately 230-320 HP
-   **Year Range:** Approximately 2004 - 2015

## ⚙️ Key Features

-   Genuine Volvo Penta Hex. Socket Screw
-   Secures the associated component using the specified internal-hex drive, thread engagement and clamp load
-   Catalogued for TAD734GE; TAD750GE; TAD751GE; TAD752GE; TAD753GE; TAD754GE; TAD761VE; TAD763VE; TAD765VE
-   Engine type: 7-litre six-cylinder common-rail turbocharged diesel
-   2 used per assembly

## 🔌 Function

Secures the associated component using the specified internal-hex drive, thread engagement and clamp load.

## ⚠️ Common Signs of Failure

-   Screw found loose or backed out at service
-   Leak or rattle at the joint it clamps
-   Socket rounded so a key will no longer grip
-   Stretched shank or damaged thread found on removal

## 🛠️ Service Notes

-   Confirm thread, length, strength grade and any single-use restriction against the exact application.
-   Clean the threads and use the specified torque, angle and locking method.

## 🔄 Supersession & Cross Reference

### OEM / Related Numbers

-   3801161 - cylinder-head assemblies
-   3801471 - cylinder-head assemblies
-   22243674 - cylinder-head assemblies
-   20833930 - exhaust valve seat
-   21087443 - inlet valve seat
-   20833932 - inlet valve
-   20833936 - exhaust valve
-   20789674 - valve guide
-   20834024 - cylinder-head cap plug

### Other-Brand OEM Numbers

-   VOE20834814 - Volvo Construction Equipment prefixed number format

### OEM Reman Alternatives

-   3801237 - remanufactured cylinder-head references
-   3801588 - remanufactured cylinder-head references

## 📦 Condition

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

## Details

- **Price:** 1.55 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1.55 AUD | In stock |

## Images

- 20834814 Hex Socket Screw | Genuine Volvo Penta Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20834814-hex-socket-screw-genuine-volvo-penta)
> Updated: 2026-10-10