Dayco Thermostat DT139H

Dayco Thermostat Fits Holden Rodeo, Colorado, Mazda BT-50, Isuzu MU-X, Mu-X, D-Max

The Dayco Thermostat DT139H is an essential component designed for a range of popular Australian vehicles, including the Holden Rodeo, Colorado, Mazda BT-50, and Isuzu MU-X. This high-quality thermostat regulates engine temperature, ensuring optimal performance and efficiency. Ideal for DIY enthusiasts, tradies, and fleet operators, this product helps maintain your vehicle’s cooling system, extending its lifespan and enhancing reliability.

With Dayco's reputation for quality and durability, you can trust that this thermostat will meet the demands of both urban and off-road driving conditions. Ensure your vehicle runs smoothly with the Dayco Thermostat DT139H, a reliable choice for Australian drivers.

Key features

• Precision-engineered for accurate temperature regulation.
• Compatible with a wide range of Australian vehicles.
• Durable construction for long-lasting performance.
• Easy installation for DIY enthusiasts and professionals alike.
• Helps prevent overheating and engine damage.
• Backed by Dayco's commitment to quality.

Technical details

• Part number: DT139H
• Material: High-quality thermoplastic
• Temperature range: Designed for optimal engine performance
• Fitment: Suitable for various models listed below

Applications / fitment

This thermostat is typically used in various models of Holden, Isuzu, and Mazda vehicles, ensuring efficient engine cooling.

• Holden Colorado 3.0 RC TD (TFR85) 2008-2012
• Holden Rodeo 3.0 RA DiTD (TFR85) 2007-2008
• Isuzu D-Max 3.0 CRDi (2012-2020)
• Mazda BT-50 3.0 TF (2020-2024)
• Isuzu MU-X 3.0 LS CRDi (2013-2021)
• Isuzu D-Max 3.0 DDI (2020-2024)

Why buy from Mick’s Gone Bush?

• Trusted Australian business focused on reliable power, auto-electrical, and service parts.
• Stock sourced from reputable distributors and brands.
• Practical support for trade, off-grid, and fleet customers.
• Clear shipping, warranty, and customer service.
• Commitment to customer satisfaction and quality assurance.

Frequently asked questions

How do I know if this thermostat fits my vehicle?

To ensure fitment, add your vehicle details to My Garage on our site, which activates our 100% Fitment Guarantee.

Is installation easy for the Dayco Thermostat DT139H?

Yes, the thermostat is designed for easy installation, making it suitable for both DIY enthusiasts and professional mechanics.

What should I do if my engine overheats?

If your engine overheats, it may indicate a faulty thermostat or cooling system issue. It's advisable to inspect your cooling system and replace the thermostat if necessary.

How often should I replace my thermostat?

It’s recommended to check and replace your thermostat every 2-3 years or as part of regular vehicle maintenance, especially if you notice overheating issues.

Can I use this thermostat in off-road vehicles?

Yes, the Dayco Thermostat DT139H is suitable for off-road conditions and is designed to withstand the demands of various driving environments.