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Freightliner Engine Parts & Cooling

We offer high-quality Freightliner engine cooling parts at 4 State Trucks. Explore our inventory of essential components like Radiators, Charge Air Coolers, Fan Shrouds, Filters, and Transmission Coolers designed to fit your truck. Trust 4 State Trucks to provide reliable solutions for maintaining your truck's optimal functionality.
When you're clocking serious miles in your Freightliner, keeping your engine temps in check is non-negotiable. That’s why our Freightliner Engine Parts & Cooling lineup is packed with reliable, aftermarket solutions built for performance and durability.

Replacement Engine Cooling Components for Freightliner Models

Whether you're behind the wheel of a Cascadia, Columbia, or Century Class, we’ve got the components to help you run cool and stay efficient—even on the toughest routes. - Charge Air Coolers (CACs): Boost engine power and fuel economy by lowering intake temps and improving air density. - Radiators: Keep your engine from overheating with rugged, high-capacity cores built to handle heavy loads. - A/C Compressors & Condensers: Restore your cab comfort with direct-fit AC parts that get the cold air flowing fast. - Evaporators, Expansion Valves & Receiver Driers: Full HVAC system support to keep your Freightliner’s climate control working like new. - Coolant Reservoirs, Hoses & Heater Cores: Replace cracked or aging components before they cause costly downtime.

Why Upgrade with Aftermarket Parts?

- Overheating Kills Efficiency: A clean, properly functioning cooling system helps your engine run smoother and last longer. - Improve Fuel Economy: Cooler intake temps mean better combustion and less strain on your system. - Stay Comfortable Year-Round: A strong HVAC system is a must for surviving long drives in both extreme heat and cold. - Easy Install, OEM Fitment: All parts are designed to fit Freightliner models with minimal hassle and maximum durability.
Shop high-quality engine cooling parts and accessories today and keep your rig running like it should—mile after mile. If you’re looking to enhance your semi truck’s performance, consider upgrading your Freightliner engine components for better control, aerodynamic exterior parts, and your Freightliner exhaust flow with aftermarket exhaust part upgrades.

Frequently Asked Questions About Freightliner Engine Parts & Cooling

What coolant type should I use for my Freightliner, and how often should I change it?

Most Freightliner engines require either conventional green coolant or Extended Life Coolant (ELC) - check your owner's manual or look for a label near your coolant reservoir. For conventional coolant, change every 2 years or 250,000 miles. For ELC, change every 5 years or 600,000 miles. Never mix different coolant types as this can cause severe engine damage. If you're unsure, drain and refill with the manufacturer-recommended type.

How do I know if my radiator or cooling fan clutch needs replacement?

Common signs of radiator failure include coolant leaks, overheating during normal operation, or visible damage to fins. For fan clutches, watch for excessive roaring sounds when cold, no engagement when hot, or oil leakage around the clutch hub. A simple test: with the engine off and cool, try spinning the fan by hand - it should have slight resistance but move freely. If it spins too freely or is locked up, replacement is needed.

Will aftermarket thermostats and water pumps work as well as OEM parts?

Quality aftermarket thermostats and water pumps from reputable brands like Gates, Dayco, or US Motor Works can perform equally well as OEM parts when properly matched to your engine model. Always verify the part number matches your specific engine (DD13, DD15, Cummins ISX, etc.) and year. Avoid ultra-cheap options as they often use inferior materials that can fail prematurely, potentially causing costly engine damage.

What's involved in replacing a water pump on common Freightliner engines?

Water pump replacement typically takes 3-6 hours depending on engine model. For DD13/DD15 engines, you'll need to remove the belt, cooling fan, and sometimes the fan shroud. Cummins ISX engines may require remoOEMg the air compressor. Always replace the gasket, inspect the belt for wear, and refill with fresh coolant. HaOEMg the right tools, including a belt tensioner tool and torque wrench, is essential for proper installation.

How can I tell if my engine parts are compatible with my specific Freightliner model?

Always reference your OEM number and engine serial number when ordering parts. The engine serial number is typically found on a metal plate on the valve cover or engine block. For 2007-2016 Cascadias with DD engines, parts often interchange, but 2017+ models may have different specifications. When in doubt, provide your OEM to ensure exact fitment - guessing can lead to costly returns and downtime.


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