Genuine Mack Inter Axle Lock Rocker Switch

DESCRIPTION Inter Axle Lock Rocker Switch CONDITION Used BRAND Mack PART NUMBER 1MR4342M PART NUMBERS 1MR4342M Function of this partThe drive axle and differential assembly split engine torque between the drive wheels and allow them to rotate at different speeds in turns. Gear ratios inside the differential also help match engine speed to road speed. Why this part mattersAxle and differential condition has a major effect on pulling power, fuel economy, and noise. Major failures are expensive, so using a good used assembly can significantly lower repair cost. About the brandMack is known for building tough trucks and components for construction, vocational, and highway fleets that need reliable performance day after day. Fitment & usage Used OEM parts are a smart choice for controlling repair costs while still using original-equipment components. Always match the OEM part number(s) listed to your existing part, and consult your service manual, dealer, or technician if you are unsure about fitment. Note: Because this is a used component, normal signs of wear such as scratches, discoloration, or light surface corrosion may be present. Refer to the product photos and information on Second Truck Parts for the best representation of the part you will receive.