M86-6314
Large DEF Tank
Kenworth®

The Large Diesel Exhaust Fluid (DEF) Tank is an essential component for your Kenworth's aftertreatment system, providing ample storage capacity to support extended driving ranges and reduce refilling frequency. Designed for durability and reliability, this OEM-grade DEF tank features corrosion-resistant materials and a precise fit to ensure seamless integration into your truck's existing system. Its robust construction withstands harsh road conditions, helping to maintain optimal emission control and engine performance. Whether replacing an existing tank or upgrading your vehicle, this genuine Kenworth part guarantees compatibility and long-term performance. Source One Parts Center is your trusted source for authentic OEM parts, offering the highest quality components to keep your Kenworth operating at its best. Properly functioning DEF tanks are critical for meeting environmental standards, minimizing emissions, and ensuring your truck remains compliant with regulations. Choose our OEM DEF tanks for peace of mind and reliable operation on every journey.