Professional Air Coupler Fittings - DILL D-17 G-Style 1/2" FNPT

Heavy-Duty Quick Release Air Coupler for Pneumatic Systems

DILL D-17 air coupler fittings 1/2 inch

When you need reliable pneumatic connections that won't fail under pressure, the DILL D-17 air coupler fitting delivers professional-grade performance. This G-style air coupler features a 1/2" female NPT thread connection that provides leak-free operation across a wide range of air tool applications.

Built to Tru-Flate specifications, this coupler fitting offers the durability and high-flow design that professionals demand for their pneumatic systems. Whether you're running air tools in a garage or industrial setting, this coupler ensures consistent airflow and secure connections every time.

Key Features & Benefits

Leak-Free Performance - G-style design with precision-machined 1/2" FNPT threads creates a secure seal that prevents air loss, maintaining consistent pressure for optimal tool performance.
High-Flow Air Transfer - Optimized internal geometry allows maximum airflow through the coupler, reducing pressure drops and ensuring your air tools operate at peak efficiency.
Universal Compatibility - Works with multiple part numbers and manufacturer systems, making it a versatile replacement for various air coupler brands and pneumatic setups.

Perfect Applications

This air coupler fitting is ideal for:

  • Automotive repair shops and tire service centers
  • Industrial pneumatic tool systems
  • Garage air compressor setups
  • Manufacturing assembly lines
  • Fleet maintenance operations

Technical Specifications

DILL D-17 Air Coupler Fitting Technical Specifications
Specification Details
Thread Size 1/2" NPT Female
Style G-Style (Tru-Flate)
Body Size 1/2" Body Coupler
Material Durable Metal Construction
Manufacturer DILL Air Controls
Part Number D-17

Get Professional Air Coupler Performance Today

Upgrade your pneumatic system with this reliable air coupler fitting that delivers consistent performance and leak-free connections for all your air tool needs.

Order now and experience the difference professional-grade air coupler fittings make!

Frequently Asked Questions

What air tools work with this G-style coupler fitting?

This DILL D-17 air coupler fitting works with impact wrenches, air ratchets, blow guns, tire inflators, and most pneumatic tools that use 1/2" NPT connections. The G-style design ensures compatibility with Tru-Flate systems and similar air tool setups.

How does this compare to other air coupler types?

G-style air couplers like the D-17 offer superior flow rates compared to standard automotive couplers, making them ideal for high-volume applications. They provide better sealing and durability than basic quick-connect fittings while maintaining easy operation.

Is this coupler compatible with my existing air hose setup?

Yes, this coupler features standard 1/2" NPT female threads that connect to most air hose systems. It's compatible with multiple part numbers including C10, 1815, 3512, 90-665, and others, making it a versatile replacement option.

What's the difference between D-17 and D-17R models?

The D-17R includes a sleeve ring for enhanced grip and security, while the standard D-17 offers the same reliable performance without the additional sleeve feature. Both provide excellent sealing and flow characteristics for professional applications.

About the Brand

Dill

View All Dill Products

Garage Supply Guys Frequently Asked Questions

If something's not working out, just let us know. Keep in mind that some items might have a restocking fee. Check the product page for the specifics.
No worries, we've got you covered. We can send replacement parts or arrange for a new delivery. Just make sure to inspect everything when it arrives and give us a heads up right away if something's off.
All the details are at the bottom of our site under Shipping & Return Policy. You'll find everything about returns, freight damage, and any brand-specific rules.
Most larger items like car lifts and heavy equipment ship free, but depending on the brand there might be freight costs. Smaller items almost always have shipping fees via UPS, USPS, FedEx, etc. We'll show you any extra costs before you check out.
Shipping estimates are just that — estimates, and they're not guaranteed. Weather, freight delays, and carrier issues can throw things off, especially with bigger items. If you're on a tight timeline for installation, it's smart to give yourself some wiggle room.
Yep! Once it ships, we'll email you the tracking info so you can keep tabs on your delivery and plan accordingly.
We always send tracking info once your order ships. If it's been more than five business days and you haven't heard anything, just shoot us a message at support@garagesupplyguys.com or hit us up through the Contact Us page. We'll figure out what's going on.
Make sure whatever you're buying will actually fit your space. That means checking ceiling height, floor space, power requirements, and whether freight delivery can even get to your location. Trust us, it's way easier to confirm these details upfront.
Read through the product details carefully, especially for heavy or specialized items. If you're not sure about fit, shipping, installation, or anything else, just ask. We'd rather help you get it right the first time.
You'll get a confirmation email right away once you place your order. For most items like car lifts, parts, and shop tools, we'll have them shipped out within five business days if they're in stock. This goes for all major brands and replacement parts.
We don't offer installation services ourselves, but we can put you in touch with qualified installers in your area who you can work out pricing with directly. We can also handle this for you after your purchase.
Just reach out to us after your purchase and we'll connect you with trusted installers in your area. You can negotiate pricing and scheduling directly with them, or we can help coordinate the whole process for you.
Some items can be installed by experienced DIYers, but larger equipment like car lifts typically require professional installation for safety and warranty reasons. Check the product specifications and manufacturer requirements before deciding.
Yes! We're authorized dealers for all the major brands we carry. This means you get full manufacturer warranties, genuine parts, and proper support. You can always verify our dealer status directly with the manufacturer if you'd like.
It means you're getting the real deal - genuine products with full manufacturer warranties, access to official support, and the peace of mind that comes with buying from a legitimate dealer. No gray market products or void warranties here.