Dayco Thermostat DT125J

Dayco Thermostat Fits Holden, Holden Special Vehicles

A maker of both original equipment and automotive aftermarket products, Dayco is a recognized leader in the innovative design and manufacturing of a large range of belts, tensioners, hoses, and pulleys for several industries, including automotive, trucking, and powersports. Dayco's product line includes automatic belt tensioners, idler pulleys, fuel injection and radiator hoses, timing belts, hose clamps, and more, designed for compatibility with both foreign and domestic vehicles. Trust isn't just given, it's earned. Let Dayco earn your trust today.

Suitable for the various Australian vehicle models listed below. This is a guide only.
Add your vehicle details to My Garage to ensure it fits your vehicle. This will activate our 100% Fitment Guaranteed.

Key features

• Precision-engineered for optimal engine temperature regulation.
• Durable construction for long-lasting performance.
• Designed to meet or exceed OEM specifications.
• Easy installation for both DIY enthusiasts and professional mechanics.
• Compatible with a wide range of Holden and Holden Special Vehicles.

Technical details

• Brand: Dayco
• Type: Thermostat
• Application: Automotive cooling system
• Compatibility: Fits various Holden models

Applications / fitment

This thermostat is typically used in Holden and Holden Special Vehicles to maintain optimal engine temperature.

• Holden Special Vehicles Avalanche 5.7 VY i V8 AWD 2003-2006
• Holden Commodore 6.0 VE i V8 2006-2013
• Holden Calais 6.0 VF i V8 2013-2015
• Holden Monaro 5.7 VZ i V8 2004-2006
• Holden Adventra 5.7 VZ i V8 AWD 2004-2007

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.

Frequently asked questions

How do I know if this thermostat is compatible with my vehicle?

You can add your vehicle details to My Garage on our website to ensure compatibility. This will activate our 100% Fitment Guaranteed.

Is installation of the thermostat difficult?

Installation is straightforward and can be done by both DIY enthusiasts and professional mechanics. Always refer to your vehicle's service manual for specific instructions.

What should I do if my engine is overheating?

If your engine is overheating, it may indicate a malfunctioning thermostat. It's advisable to check the thermostat and other cooling system components.

Can I return the thermostat if it doesn't fit?

Yes, we offer a return policy. Please check our website for the specific terms and conditions regarding returns.

What is the warranty on this product?

The Dayco thermostat typically comes with a manufacturer's warranty. Please refer to the product details or contact our customer service for more information.