Dayco Thermostat DT66A

Dayco Thermostat Fits Ford F-150, Bronco, LTD, Falcon, Fairlane, Fairmont, F-250, Galaxie LTD, Holden

The Dayco Thermostat DT66A is a reliable component designed to regulate the engine temperature in a variety of Australian vehicles. Manufactured by Dayco, a trusted leader in automotive parts, this thermostat ensures optimal engine performance and longevity. Ideal for DIY enthusiasts, tradies, and fleet operators, it is compatible with a wide range of models, making it a versatile choice for maintaining your vehicle's cooling system.

With a focus on quality and durability, the Dayco Thermostat is engineered to meet or exceed OEM specifications. This product is particularly suited for various Ford and Holden models, ensuring a proper fit and function for your specific vehicle needs.

Key features

• Designed for precise temperature regulation to prevent engine overheating.
• Compatible with a wide range of Ford and Holden models for versatile application.
• Manufactured by Dayco, a trusted name in automotive parts.
• Meets or exceeds OEM specifications for reliable performance.
• Easy to install for both professional mechanics and DIY enthusiasts.

Technical details

• Part number: DT66A
• Material: High-quality thermoplastic for durability
• Temperature range: Engine operating temperature regulation
• Compatibility: Fits various Ford and Holden models

Applications / fitment

This thermostat is typically used in the cooling systems of various Ford and Holden vehicles, ensuring efficient engine operation.

• Ford Bronco 5.8 4WD (1983-1986)
• Ford F-150 4.9 (1986-1991)
• Ford Fairlane 4.9 V8 (1970-1983)
• Holden Commodore 4.2 V8 (1978-1988)
• Holden Monaro 5.0 (1968-1980)

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 fits my vehicle?

You can check compatibility by adding your vehicle details to My Garage, which activates our 100% Fitment Guarantee.

Is installation easy for a DIYer?

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

What should I do if my engine overheats?

If your engine overheats, it may indicate a faulty thermostat or other issues in the cooling system. It's advisable to have it checked by a professional.

How often should I replace my thermostat?

It's recommended to replace your thermostat every 2-3 years or as needed if you notice overheating or inconsistent engine temperatures.

Can I use this thermostat in a modified engine?

While the Dayco Thermostat is designed for standard applications, modifications may affect compatibility. It's best to consult with a professional for modified engines.