Keep your engine running at optimal temperature with this genuine Peterbilt OEM T R P Surge Tank Pressure Cap. Designed specifically for Peterbilt vehicles, this heavy-duty radiator cap (model SC2010D) maintains proper cooling system pressure to prevent coolant loss and overheating. The robust black construction features precision engineering to deliver reliable performance and seamless integration with your vehicle's cooling system. This pressure cap is an essential component for maintaining your engine's cooling efficiency and protecting against costly overheating damage. Perfect for fleet maintenance or individual truck owners looking for authentic Peterbilt replacement parts, this surge tank cap ensures a precise fit and proper seal. Don't compromise on quality when it comes to your engine's cooling system - choose this genuine OEM pressure cap for dependable performance mile after mile.