RADIATOR MOUNT FK066228C (replaces K066-228)

Description RADIATOR MOUNT Part Number: FK066228C Direct replacement (cross ref) for K066-228. Product Overview The aftermarket radiator mount helps secure the radiator assembly to the truck’s frame while allowing it to absorb vibration and movement during operation. The radiator is a large and relatively heavy component, and it sits in an environment where engine vibration, road shock, and chassis flex are constant. Without a proper mount in place, that movement would transfer directly into the radiator core and surrounding cooling components. The FK066228C radiator mount, which replaces OEM part number K066-228, is designed to hold the radiator firmly while still providing a small amount of controlled flexibility. That balance is important because the radiator needs support, but it also needs room to move slightly as the truck flexes and the engine operates under load. What the Radiator Mount Does A radiator mount acts as a buffer between the rigid truck frame and the radiator assembly. Instead of bolting the radiator directly to the chassis, the mount isolates vibration and absorbs some of the shock created by rough roads, heavy loads, and engine movement. Without that isolation, constant vibration would eventually stress the radiator tanks, brackets, and coolant lines. Common Problems This Part Solves Radiator mounts wear out slowly, so the problem often goes unnoticed until symptoms start appearing elsewhere in the cooling system. When a mount deteriorates, it may crack, flatten, or lose its ability to cushion vibration. Drivers or technicians might notice increased radiator movement, vibration in the cooling assembly, or unusual stress on hoses and brackets. In some cases, worn mounts contribute to coolant leaks because the radiator shifts more than it should while the truck is operating. Why Replacement Matters Ignoring a damaged radiator mount can lead to larger cooling system problems. When the radiator is not supported correctly, vibration and movement start affecting hoses, clamps, and the radiator core itself. A relatively inexpensive mount can prevent more expensive repairs later. Compatibility and Fitment This aftermarket radiator mount replaces OEM part number K066-228 and is designed for compatible truck applications requiring that mounting configuration. Verifying the correct replacement number and mounting location before installation ensures proper support and alignment. Installation and Service Notes Radiator mounts are most often replaced during cooling system service or when excessive radiator movement is observed. During installation, technicians should inspect nearby brackets, hoses, and mounting hardware to confirm that the radiator sits evenly once the new mount is installed. Proper alignment is also important. If the radiator is mounted under tension, it can shorten the life of both the mount and the cooling components around it. Use Case This radiator mount is commonly used during cooling system repairs, radiator replacement work, and fleet maintenance inspections where worn mounting components are discovered. About Us We’re a family-owned group of Peterbilt dealerships dedicated to getting you the parts you need quickly and affordably. Whether you’re looking for Paccar OEM parts, reliable aftermarket replacements, or popular upgrades like seats and filters, we make it easy to keep your truck running and on the road. If you don’t see what you need online, just give us a call or send an email — chances are we can get it. We pride ourselves on fast service, fair prices, and being a partner you can depend on when downtime isn’t an option.   FAQs Q1: What happens if a radiator mount fails completely? A: If a mount fails, the radiator can shift or vibrate more than it should. That extra movement can stress hoses, brackets, and even the radiator core, which may eventually lead to leaks or structural damage. Q2: Can a bad radiator mount cause coolant leaks? A: Indirectly, yes. When the radiator moves excessively, it can place extra strain on hose connections and mounting brackets, which may lead to coolant leaks over time. Q3: Do radiator mounts wear out from vibration? A: Constant vibration, engine movement, and road conditions slowly break down the mount material. Heat and age can also contribute to deterioration. Q4: Should mounts be inspected during radiator replacement? A: When a radiator is already removed or being serviced, it’s a good opportunity to check the condition of the mounts and replace them if needed. Q5: Is this mount difficult to install? A: Installation is usually not difficult for experienced technicians. The key is making sure the radiator is properly aligned before tightening everything down.