Prepare your semi truck to be Ready for the Road Ahead , with the Fruitland ELIM A500 Series Eliminator Vacuum Pump Kit that delivers reliable vacuum pressure. To power brakes, reduce nitrogen emissions, and support HVAC systems, this replacement pump uses a collection of sealed chambers that create an air vacuum. Fashioned with a solid and durable body to endure everyday use. FleetPride is your First Click in Heavy Duty .