3088-S1150
Mainshaft
Mack

This mainshaft is a critical drivetrain component responsible for transmitting torque from the engine to the transmission. Its robust design ensures durability under high torque and rotational stresses typical in heavy-duty applications. Proper maintenance and timely replacement of the mainshaft are vital for smooth power transfer and to prevent drivetrain failures. Its precise manufacturing guarantees proper fit and alignment, reducing vibrations and enhancing overall vehicle performance. The mainshaft’s reliability directly impacts the longevity of the transmission system. Source One Parts Center provides this essential part, supporting your truck’s drivetrain integrity and operational efficiency.