Engine Bay Fire Suppression System: Protect Your Assets from the Inside Out

An engine bay fire suppression system is one of the most effective tools for protecting valuable machinery and vehicles from catastrophic damage. From mining trucks and buses to agricultural machinery and mobile plant equipment, the risk of engine compartment fires is real—and costly. Whether caused by oil leaks, overheating components, or electrical faults, engine fires can erupt without warning.

Installing a dedicated suppression system provides rapid fire detection and extinguishing, often before the operator is even aware something's wrong.

In this article, we’ll break down how engine bay fire suppression systems work, why they’re critical for heavy equipment, and where to source reliable parts in Australia.

What Is an Engine Bay Fire Suppression System?

An engine bay fire suppression system is designed to detect and extinguish fires in a vehicle or machine’s engine compartment. These systems are automatic, responding instantly to abnormal heat or flame conditions.

They typically include:

• Thermal detection tubing or sensors

• Control panels or manual actuation switches

• Suppression agent tanks

• Nozzles and discharge lines

When triggered, the system discharges a fire-suppressing agent directly into the engine bay, blanketing the area and suppressing the fire before it can spread or cause structural damage.

Why Install One?

For industries relying on heavy mobile assets, an engine bay fire suppression system isn’t just optional—it’s a safety and compliance requirement. Fires in engine compartments are a leading cause of machinery loss, downtime, and injury across sectors such as:

• Mining

• Construction

• Waste management

• Agriculture

• Transportation

Benefits of having a system installed include:

• Asset protection – Prevent total machinery loss.

• Downtime reduction – Resume operations quickly after a fire incident.

• Insurance compliance – Many insurers require systems to be installed.

• Operator safety – Keep drivers and machine operators protected.

  
  

Types of Suppression Agents

Engine bay fire suppression systems can use several types of extinguishing agents. The most common include:

• Dry chemical agents (like ABC powder) – Excellent at interrupting chemical reactions in Class A, B, and C fires.

• Clean agents – Electrically non-conductive and leave no residue, ideal for electronic components.

• Foam-based agents – Especially effective on flammable liquids and surface fires in enclosed compartments.

Choosing the right system depends on your equipment type, risk level, and operational environment.

Engine Bay Systems in Australia

In Australia, the demand for reliable engine bay fire suppression systems is growing—particularly in mining-heavy regions like Western Australia and Queensland. Local regulations often require specific standards to be met, such as AS 5062, which governs fire protection for mobile and transportable equipment.

That’s where Flexco, a division of MultiTorque, comes in. We supply a wide range of engine bay fire suppression system parts, including tubing, nozzles, activation systems, and refill kits. We cater to fleet operators, OEMs, and contractors who need dependable gear that meets Australian standards.

What to Look for in a Supplier

If you’re searching for engine bay fire suppression solutions, here’s what to check in a supplier:

• Stock availability – Can they provide critical parts quickly?

• Australian compliance – Are parts and systems compliant with AS 5062?

• Expert advice – Do they understand your industry and equipment?

• Custom solutions – Can they tailor the setup to unique fleet needs?

  
  

Flexco: Fire Protection That Works When It Matters Most

At Flexco, we understand the stakes. That’s why we supply only high-quality, field-tested components for engine bay fire suppression systems. We work with clients across Australia in mining, transport, and agriculture, ensuring their equipment is protected and compliant.

Our parts range includes:

• Detection tubing and brackets

• ABC dry chemical tanks and nozzles

• System control units and wiring harnesses

• Customised mounting kits for heavy machinery

We also offer technical support and guidance to ensure every part you install is built to last—and built to protect.

Ready to upgrade your fire suppression system?Contact Flexco today on (08) 9358 4355 or email sales@multitorque.com.We deliver Australia-wide and support all major fire suppression system brands.