Product categories
- AIR MACHINE ACCESSORIES, FITTINGS AND VAC REPLACEMENT PARTS
- HYDRAULIC HOSE FERRULES - FERRULES MANUFACTURER
- INDUSTRIAL AND AUTOMITIVE COUPLERS & CONNECTORS
- PNEUMATIC BLOW GUN KITS AND BLOW GUN PRODUCTS
- PNEUMATIC HOSES
- PNEUMATIC, AUTOMOTIVE HOSE CRIMPERS AND DIES
- TIRE INFLATOR CHUCKS AND AIR FITTINGS
- TIRE INFLATOR GAUGE PRODUCTS
- Uncategorized
- VALVES PARTS PRODUCTS
- WATER BIBBS AND UTILITY WATER NOZZLES
Top rated products

Air Chuck Fittings
If you’re looking for quality chuck fittings for your air systems, you have come to the right place. At Diamond-U Products Inc., we offer different types of fittings and chucks that can meet any technician’s needs. Order air chuck fittings online at Diamond-U and get free shipping for orders exceeding $75.
Why Choose Diamond-U’s Air Chuck Fittings?
Diamond-U has been a leading manufacturer of air chuck fittings and other automotive parts since 1923. We produce components that are of superior quality, durable, and meet the highest industry-specific standards. Our experienced staff have excellent product knowledge and are committed to excellent customer service and support.
In most cases, we can quickly fulfill your order. Orders in bulk quantities can often be shipped with limited lead times. On most common items we build for stock rather than per order to maximize our ability to service our customer base. More unique items will be worked into our production plans whether you want a single unit or tens of thousands. In addition, if you need fittings & chucks to complement a specific air system or compressor in your workshop, our team can work on a customized solution to match your company’s needs.
What is an Air Chuck Fitting?
These are standardized components used in various mechanical and pneumatic applications, such as connecting air lines to tire stems for inflation and maintenance. They form an essential part of a piping system used to transfer compressed air or fuel air powered equipment and tools.
As a result, they help maintain a steady flow of pressure and air within hoses to keep the performance of air systems in check. The most crucial part of finding the proper air fitting for your job is choosing the correct size. Reach out with any question you may have. If we don’t have an answer or product solution for you initially, we will lean on our experience and resources to get back to you.
Types of Air Chuck Fittings that Diamond-U Offers
Order Now!
Ready to buy? Shop our air chuck fittings today! If you would like a wholesale quote or want a custom product, contact us here, and a sales representative will get back to you.