CheeMuii 39-Piece DOT Air Line Quick Connect Fittings Kit – 1/4 in, 3/8 in, 1/2 in Brass
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Description
xMeet the CheeMuii 39 PCS DOT Air Line Quick Connect Fittings Kit, a versatile selection designed for reliability on the road, in the shop, or on the farm. Crafted from high‑quality CA360 brass and resilient plastic, these fittings are built to pair with standard air line systems and push‑to‑connect lines for a clean, secure fit from the first click. The kit is designed to cover a wide range of common configurations, helping you complete repairs or upgrades without the need to hunt for individual parts.
This assortment is engineered to withstand daily wear, resist corrosion, and maintain performance across a broad temperature and pressure range. You’ll notice the cool feel of solid brass and the confident glide of push‑to‑connect assemblies as you work—an experience that can simplify fittings tasks in tight spaces or on busy job sites.
What’s inside
- 4 x 1/4" tees
- 4 x 3/8" tees
- 2 x 1/2" tees
- 6 x 1/4" straight unions
- 4 x 3/8" straight unions
- 2 x 1/2" straight unions
- 4 x 1/4" 90° elbows
- 2 x 3/8" 90° elbows
- 2 x 1/2" 90° elbows
- 6 x Y splitters
- 1 x tube cutter
Quality you can rely on
These DOT fittings are made from CA360 brass with high‑strength plastic. They meet DOT FMVSS 571.106 and SAE J1131 air brake system requirements, offering corrosion resistance, good high‑temperature ductility, low permeability, and a long service life suited to demanding environments.
Easy to install and use
The push‑to‑connect design simplifies installation—just push to connect and secure. The durable construction supports a wide operating range while fitting neatly into confined spaces, reducing install time on busy workdays.
Where you can use them
Ideal for DOT air brake lines, air suspension systems, and copper tubing in airline systems. They’re well suited for truck and RV repair, industrial workshops, garden equipment maintenance, towing setups, and other everyday projects where quick connections matter.
Key specs at a glance
- Working pressure up to 250 PSI
- Temperature range from −30°F to 180°F (−34°C to 82°C)
- Compatible with standard DOT/SAE air systems
Note: Always follow tubing manufacturer recommendations for pressure and temperature when integrating components into an existing setup. For best results, cut tubing square and deburr edges with the included tool, keep fittings clean, and store parts in a dry, dust‑free area.
FAQ
Q: What does the CheeMuii 39 PCS DOT air line fittings kit include?
A: A complete assortment: tees, straights, elbows, Y splitters, and a tube cutter across 1/4", 3/8", and 1/2" sizes.
Q: What applications are suitable for these fittings?
A: Ideal for DOT air brake lines, air suspension, copper tubing, and general repairs in trucks, RVs, and workshops.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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