# 20796850 Hexagon Screw | Genuine Volvo Penta Part

## 🔧 Product Description

Application-specific hexagon screw used in the common-rail injector, delivery-pipe and EGR/control system on the listed Volvo Penta engines. Secures the common-rail fuel-system component with the specified thread, length and clamp load.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TAD560VE
-   Volvo Penta TAD561VE
-   Volvo Penta TAD734GE
-   Volvo Penta TAD752GE
-   Volvo Penta TAD753GE
-   Volvo Penta TAD754GE
-   Volvo Penta TAD765VE
-   Volvo Penta TAD764VE
-   Volvo Penta TAD763VE
-   Volvo Penta TAD762VE
-   Volvo Penta TAD761VE

-   **Engine Family:** TAD
-   **HP Range:** Approximately 180-320 HP
-   **Year Range:** Approximately 2004 - 2016

## ⚙️ Key Features

-   Genuine Volvo Penta hexagon screw
-   Designed for the common-rail injector, delivery-pipe and EGR/control system
-   Secures the common-rail fuel-system component with the specified thread, length and clamp load
-   Engine type: 7-litre inline-six electronically controlled common-rail diesel

## 🔌 Function

Secures the common-rail fuel-system component with the specified thread, length and clamp load.

## ⚠️ Common Signs of Failure

-   Fuel weeping or a ticking leak beside the component the screw clamps
-   Screw found loose or backed off at service
-   Rounded hex, or a stretched and necked shank found on removal
-   Thread pulled or damaged in the mating component

## 🛠️ Service Notes

-   Confirm thread, length, strength grade and any single-use restriction.
-   Use the specified torque, angle and locking method on clean threads.

## 🔄 Supersession & Cross Reference

### OEM / Related Numbers

-   20795263 - injector
-   20799119 - injector O-ring
-   20797983 - injector sealing washer
-   20795255 - conduit coupling
-   20799117 - coupling O-ring
-   21491083 - delivery pipe
-   20939274 - pipe O-rings
-   20939275 - pipe O-rings
-   20795947 - adapter
-   20796898 - injector clamping screw
-   21252581 - clamping shoe
-   20922444 - cover
-   20795296 - solenoid/EGR control valve

### Other-Brand OEM Numbers

-   VOE20796850 - Volvo Construction Equipment prefixed number format

### OEM Reman Alternatives

-   3801246 - remanufactured injector

## 📦 Condition

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

## Details

- **Price:** 7.43 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 7.43 AUD | In stock |

## Images

- 20796850 Hexagon Screw | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20796850-hexagon-screw-genuine-volvo-penta)
> Updated: 2026-10-11