- Wester Star PTR Stainless Steel Lower Coolant Tube With Bracket For OEM Number 20402-3490$371.82RP-75WS3490Discover top-quality Western Star ChargeAir Coolers, Condensers, and Radiators designed to keep your semi-truck running smoothly and efficiently. Our extensive range includes essential components like the Western Star Stainless Steel Lower Coolant Tube, Western Star Stainless Steel Upper Coolant Tube for OEM Number 20405-21468, and the Western Star 4900 Stainless Steel Lower Coolant Tube for OEM Number A05-22433. We also offer the Western Star PTR Stainless Steel Lower Coolant Tube with Bracket for OEM Number 20402-3490, and various other lower coolant tubes for OEM Numbers 20406-3501, 20402-3504, and 20406-3517. Enhance your truck's performance with our Freightliner and Western Star Coronado, CC, and CD 2008 through 2013 Radiator, or keep your cabin cool with the Freightliner and Western Star AC Compressor. For newer models, check out the Freightliner and Western Star M2 2014 and newer Charge Air Cooler, and for older models, we have the Western Star 1998 through 2002 Condenser. Trust our premium products to deliver durability and reliability on the road. Whether you drive an International Lonestar, Lone Star International, Western Star Truck, Navistar International, International Prostar, or are looking for Miami Star Truck Parts, F496 Starter Relay, Lone Star Pro, Lonestar International, or International Pro Star parts, we have you covered. Shop now and ensure your Western Star semi-truck is equipped with the best cooling solutions available.