Applications - Fluid System Connectors Division | Parker US
A Leader in Transportation

Parker offers a full line of transportation products designed to optimize the use of your equipment.

Air Brake System

Air Brake System

Recognized as the industry leader in leak-free technologies, Parker designs every product to outperform the competition. Our engineers design all air brake fittings to meet and exceed DOT and SAE requirements. From brass compression fittings to composite push-to-connect fittings, Parker products provide maximum flow while withstanding high temperature and vibration applications.

Air Tanks

Air Tanks

Eliminating air leakage is critical for safety. Parker provides special options for your air tanks. Straight thread o-rings offer a leak-free seal that you can count on every time. Integrated Check reduce leak paths and assembly time to ensure pressure is maintained in the air tank.

Cab Controls and Accessories

Cab Controls and Accessories

Parker offers a full line of economical non DOT fittings for the air horn, air ride, fifth wheel slider, and other cab controls. Various shapes and configurations are available to meet vehicle applications and make installation easier.

Fuel System, Engine and Cooling

Fuel System, Engine and Cooling

Parker offers various material selections for compatibility with both diesel and biodiesel fuel. Quick connect options reduce installation time, while high temperature o-rings offer an additional option for the most rugged applications. Looking for a custom design? Parker has the technical expertise and resources to provide custom solutions for difficult routings in the engine compartment.

Transmissions

Transmissions

Parker offers a full line of compression and push to connect fittings for transmission pilot lines. Excellent corrosion resistance, a compact envelop, and fewer potential leak points make Parker fittings an ideal solution.

Frequently Asked Questions

Parker Hannifin offers DOT-certified fittings and valves for air brake, diesel, biodiesel, and engine coolant systems. Our products are designed to provide years of leak-free dependable services. All DOT-certified fittings and valves are easy to install and only require minimal tooling. Parker's engineers are dedicated to solving your pain points. Our team of US-based engineers can either modify an existing product or design a completely new product to solve your issues. Explore our listing of frequently asked questions to learn more about our DOT-certified products. 

Frequently Asked Questions

Contact Us

Parker offers the most comprehensive line of fittings, hoses, tubing, valves and accessories for the transportation market, locally available from a worldwide network of authorized distributors. Tell us about your application, request technical or engineering support, or send us your question. We are happy to help.