BIG Machine Parts' replacement coolant reservoir for Kenworth and Peterbilt trucks is designed to exceed OEM standards. It resists the expansion and cracking that extreme temperature fluctuations can cause. Plus, the durable plastic construction prevents coolant fluid loss.  

• Includes: Reservoir, Caps, Sensors
• Direct replacement for a proper fit every time
• Quality tested to ensure trouble-free installation and performance

Application Summary: Kenworth (2013+) T680, T880; Peterbilt (2013+) 579