Fluid System Connectors for the Transporation Industry
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Going the Extra Mile

See how Parker can help you reduce costs, speed up assembly, and outperform the competition.

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Connect, Convey, Protect and Control

Parker fittings meet the US Department of Transporation and SAE International standardsFor all air brake, engine, trailer or other transportation applications, our high-performing, leak-free, DOT fittings, tubing, hoses, valves and other accessories meet and exceed FMVSS571571.106 and SAE J2494-3 requirements. From fuel delivery to airbrake systems, our reliable components and assemblies reduce OEM warranty costs and provide fleets with increased uptime. Look to Parker for custom and engineered, US manufactured products.

Download the Guide to Air Brake Tube Fittings

Download the Truck and Trailer OEM's Guide to Air Brake Tube FittingsAir brake tube fittings are fundamental to an air brake system. A typical truck requires 60-100 air brake tube fittings, and these components can have a significant effect on brake system performance, cost, and assembly line productivity. 

In this guide, you will learn about:

• The major types of DOT air brake fittings

• The effect each type of DOT air brake fitting has on price, performance, ease of assembly and customization

• New trends in DOT air brake fittings

Learning Center

Parker connects you to higher productivity, increased efficiencies, and improved inventory management. Download our Transportation Connectors Catalog now for specifications on products and custom solutions.
Catalog 3560DOT: Transportation Connectors
Best practices and considerations when choosing DOT-rated air brake tube fittings to optimize brake system performance, materials cost and assembly line productivity. Download "The Truck & Trailer OEM’s Guide to Air Brake Tube Fittings."
Download the Parker White Paper
To meet the needs of changing requirements in diesel and biodiesel fuel systems, Parker has responded with Electroless Nickel Plating to improve performance in the fuel lines. Download our brochure to learn more about this cost-effective solution.
Download the Electroless Nickel Plating Brochure
Watch our videos to see how Parker is helping transportation OEMs realize the advantages of biodiesel.
OEM Transportation Solutions from Parker


Parker works closely with industry experts to design and manufacture fittings, hoses, valves and other technologies that meet the unique needs of the transportation markets. Our customers appreciate the intrinsic value of our products and our employees’ professional expertise. Select any of the applications below to learn more about how our products can benefit your needs.

Parker Air Brake Systems
Parker Air Tanks
Parker Cab Controls and Accessories
Fuel System Engine and Cooling