The product is a Bosch CP3 Injection Pump designed for 2004.5-2005 Chevy Silverado and GMC Sierra Duramax Diesel vehicles. It is a high-performance fuel pump with the manufacturer part number T21, making it a reliable choice for those looking to upgrade their fuel injection system for improved efficiency and power output. This product is perfect for auto enthusiasts looking to enhance the performance of their diesel trucks with a trusted brand like Bosch.
