Downward gear engagement in which the input shaft and output shaft are locked together; the gearing in the drivetrain in which one turn of the crank shaft equals one turn of the wheel.
And a mission control device located in the exhaust system that contains catalyst, which reduces hydrocarbons, carbon monoxide and nitrogen oxide in the exhaust gases.
The belt driven pulley mounted on the front of the vibration damper.
The hydraulic fluid used to transmit hydraulic pressure through the brake lines in a brake system.