# 20459873 Lamp | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta TAD420VE Control-Panel Lamp - Part Number: 20459873

  

A genuine Volvo Penta lamp used in the engine control-panel warning and indication system. It is supplied as an individual service component under part number 20459873 and is intended to restore the original fit, sealing, alignment, retention or operating function of the specified assembly. This listing supplies the named part only; adjoining components shown in the engine diagram are serviced separately unless explicitly stated.

  

⚙️ Key Features

  

• Genuine Volvo Penta service component

• Designed for the engine control-panel warning and indication system

• Designed to maintain the intended electrical indication, signal or connection

• Suitable for maintenance, repair or overhaul of the matching engine assembly

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

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 20459873 - Current genuine Volvo Penta service reference

  

OEM / Related Numbers:

  

• 20459873 - Control-panel lamp

• 20459872 / 20744867 - Related starter-switch references

• 20459874 - Related key

• 20459877 / 20459878 / 20459879 - Related terminals

• 20459875 - Companion lamp

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta TAD420VE industrial diesel control-panel and engine-electrical installations

• EDC IV starter-switch, warning-lamp and connection assemblies

  

Typically suits:

  

• Engine models:

• TAD420VE

• Engine Type: Volvo Penta D5 inline-four industrial diesel

• HP Range: Determined by the exact TAD420VE rating

• Year Range: Control-system generation and serial-number controlled

• Serial Applicability: Confirm the panel, switch, connector and engine serial-number configuration

  

🔌 Function

  

Provides a visual operating, warning or status indication on the engine control panel.

  

Common signs of failure or reasons for replacement:

  

• The warning or status lamp does not illuminate during the test sequence

• The lamp remains illuminated when the monitored condition is normal

• Brightness becomes weak, intermittent or affected by vibration

• The bulb, contacts or holder show heat or corrosion damage

• The panel indication is unreliable despite a sound control circuit

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 27.2 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 27.20 AUD | In stock |

## Images

- 20459873 Lamp | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20459873-lamp-genuine-volvo-penta)
> Updated: 2026-07-29