603-5403 Coolant Overflow Reservoir Tank with Sensor & Cap Compatible with Kenworth W900 T800 T660 T600 2008-2022 Peterbilt 389 388 386 385 384 382 377 367 365 348 2008-2022 Replace N5346001 T1673008

["【Part Number】603-5403, 6035403, N5346001, T1673008","【Application】Coolant Reservoir compatible with Kenworth & Peterbilt Trucks.W900 T800 T660 T600 389 388 384 382 377 365 348","【Aluminum Alloy Construction】The coolant reservoir is made of highly stable, corrosion-resistant aluminum alloy, ensuring long-lasting durability. Excellent sealing performance and a sensitive liquid level sensor monitor the coolant level in real time, ensuring the vehicle operates in optimal condition","【Easy Installation】This reservoir can be easily installed in the engine compartment and connects to the radiator without the need for drilling or cutting","【Product Function】The coolant reservoir is designed to store engine coolant. The coolant circulates through the engine via the cooling system, absorbing generated heat, and then returns to the reservoir to be cooled. This prevents overheating or insufficient cooling, thereby protecting the engine"]