• Our Kit is designed for use with Freightliner, International, Kenworth, Peterbilt, Volvo, GMC and Sterling cooling systems
• Use shop air to maintain constant pressure to the cooling system during testing and refill
• Helps eliminate the complications often experienced with unreliable rubber plugs or bladders, saving setup time and providing more accurate test results
• Quick Disconnect vacuum attachment allows rapid refilling of the cooling system
• Includes Heavy Duty Vehicle adapters, pressure test regulator, vacuum refill attachment with tubing, all in a durable storage case
• Made in USA