Compatible OEM Part Numbers: 85003864, 85003865, 23753850, 21577511, 21266765, 21332695 Product Overview: The DEF Pump 21577507 is a critical component for Volvo and Mack engines, ensuring the correct delivery of DEF to the exhaust system. This part is essential for maintaining the reduction of NOx emissions, thereby meeting environmental regulations and optimizing engine performance. Key Features: OEM Quality: Manufactured to meet or exceed original equipment specifications, ensuring a precise fit and reliable performance. Durability: Constructed with robust materials to withstand harsh engine conditions such as extreme cold, dusty environment, and high vibration to ensure longevity. Functionality: Efficiently delivers DEF to the exhaust system, reducing emissions and improving engine performance. Applications: Compatible with a range of Volvo engines including the D11, D13, and D16, as well as Mack engines such as the MP7, MP8, and MP10. Commonly used in Volvo VNL trucks from various model years
