# 20451317 Injector | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta TAD520VE Mechanical Fuel Injector - Part Number: 20451317

  

A genuine Volvo Penta injector used in the mechanical diesel fuel-injection system. It is supplied as an individual service component under part number 20451317 and is intended to restore the original fit, alignment, sealing, support or operating function of the specified assembly. This listing supplies the named part only; adjoining components shown in an exploded view are serviced separately unless explicitly stated.

  

⚙️ Key Features

  

• Genuine Volvo Penta service component

• Designed for the mechanical diesel fuel-injection system

• Manufactured to the specified OEM dimensions and material requirements

• Suitable for maintenance, repair or overhaul of the matching serial-controlled assembly

• Exact engine and serial-number confirmation is recommended before installation

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 20451317 - Current genuine Volvo Penta service reference

  

OEM / Related Numbers:

  

• 20451317 - Injector

• 3803652 - Related injector reference

• 20405851 - Injector nozzle

• 20450673 - Related spacer

• 20450674 - Related hose clamp

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta TAD520VE and related D5/D7 industrial diesel installations

• Serial-controlled fuel, cooling and auxiliary assemblies

  

Typically suits:

  

• Engine models:

• TAD520VE

• TD520VE

• TD420VE

• TD720VE

• Engine Type: Volvo Penta D5/D7 industrial diesel

• HP Range: Determined by the exact engine rating

• Year Range: Engine-generation and serial-number controlled

• Serial Applicability: Confirm the complete engine or product serial number and the exact assembly position before ordering

  

🔌 Function

  

Meters and atomises diesel fuel into the cylinder at the specified pressure and timing.

  

Common signs of failure or reasons for replacement:

  

• The engine becomes difficult to start or idles unevenly

• The affected cylinder misfires or produces reduced power

• Exhaust smoke, diesel knock or fuel consumption increases

• Fuel leaks around the injector body or high-pressure connection

• Testing shows poor atomisation, incorrect opening pressure or an uneven spray pattern

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 664.92 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 664.92 AUD | In stock |

## Images

- 20451317 Injector | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20451317-injector-genuine-volvo-penta)
> Updated: 2026-07-29