This heavy-duty billet pump rotor is engineered for 6L80E and 6L90E transmissions in General Motors vehicles from 2006 onward. Manufactured to exacting specifications with a .708" thickness, this component delivers superior durability and reliability compared to OEM alternatives. The HTSR 4140 billet construction provides enhanced strength and resistance to wear, making it ideal for high-performance applications and demanding driving conditions. Direct replacement with industry number 135927A ensures proper fitment and function. Trust this precision-engineered rotor to maintain consistent transmission performance and longevity in your GM powertrain.