Siptenk 3/8 Inch OD Tube x 1/4 Inch NPT Thread Elbow Brass Air Line Fittings 5 Pieces
Why you'll like it
- High-Grade Construction — Manufactured from solid CA360 brass to provide exceptional corrosion resistance and durability in extreme environments.
- DOT Approved Safety — Meets D.O.T. FMVSS 571.106 and SAE J1131 air brake system specifications for reliable vehicle operation.
- Pre-Applied Thread Sealant — Features a red anti-leak coating on all male threads to eliminate air leakage and ensure secure connections.
- Quick-Connect Convenience — Push-to-connect design enables instant tubing insertion and locking without tools to reduce maintenance time.
- Extreme Temperature Tolerance — Rated for a maximum working pressure of 300 PSI and a temperature range from -65 Fahrenheit to +220 Fahrenheit.
Product details
Description
Upgrade your vehicle and industrial pneumatic systems with the Siptenk 3/8 Inch OD Tube x 1/4 Inch NPT Thread Elbow Brass Air Line Fittings 5 Pack. Engineered from high-grade CA360 solid brass, these 90-degree elbow connectors offer exceptional durability, corrosion resistance, and reliable performance in demanding environments. Featuring an innovative push-to-connect quick-release design, these fittings allow tubing to be inserted and locked instantly without requiring specialized tools, saving valuable time during installation and maintenance.
Each male thread comes pre-coated with a red anti-leak thread sealant to ensure a tight, secure seal and prevent air pressure loss. Built to meet stringent D.O.T. FMVSS 571.106 and SAE J1131 standards, these air brake fittings deliver dependable safety and functionality for heavy-duty applications.
Designed for professionals and DIY mechanics alike, this 5-piece set is ideal for semi-trailers, heavy trucks, buses, mobile equipment, and industrial workshop pneumatic setups requiring robust air line routing and leak-free performance across extreme temperature ranges.
How to use
- Ensure the air system is completely depressurized before installation.
- Cut the 3/8 inch outer diameter tubing cleanly and squarely.
- Push the tubing firmly into the quick-connect port until it bottoms out completely.
- Secure the 1/4 inch NPT threaded end into the designated port using the pre-applied sealant.
Ingredients
Solid CA360 brass alloy and pre-applied red thread sealant compound.
As printed by the brand. Check the pack label if you have an allergy.
Specifications
| Brand | Siptenk |
|---|---|
| Ships from | USA (sourced directly), checked in Navi Mumbai |
| Sold by | Dropy.in |
Ratings & reviews
From our customers
Top reviews first: highest rated, with photos first
- Rahul V.5 ★
packaging thodi loose thi par fitting mast hai
delivery thoda late hua aur box thoda dab gaya tha, dar laga ki andar ke fittings kharab na ho gaye ho. but shukar hai sab sahi nikla. 3/8 inch tubing aram se fit ho gayi aur red sealant ki wajah se extra tape ki zarurat nahi padi. ??
- Vikram S.5 ★
buying again
this is my second time ordering these elbow connectors for our commercial vehicles. the CA360 brass is sturdy and handles heavy duty pressure very well without cracking or leaking. totally reliable stuff.
- Santosh P.5 ★
ekdum mast product aahe
mazya friend ne sallas dili hoti he brass fittings ghenyasathi ani khupach changli quality ahe. workshop madhe pneumatic setup sathi use kelo, push-to-connect mule kaam jappat zal ani air pressure drop nahi zala.
- Amit S.5 ★
kaafi accha item hai
truck ke air brake lines ke liye mangwaya tha, fitting ekdum tight baith gayi. red sealant pehle se hi laga hua hai toh leakage ka koi tension nahi hai. solid brass material lagta hai, rly happy with this pack of five.
FAQs
What are the dimensions and pressure ratings of these fittings?
These fittings feature a 3/8 inch outside diameter tube connection and a 1/4 inch NPT male thread in an elbow configuration. They are rated for a maximum working pressure of 300 PSI and temperatures ranging from -65 Fahrenheit to +220 Fahrenheit.
Are these fittings approved for vehicle air brake systems?
Yes, these fittings are constructed from solid brass and meet D.O.T. FMVSS 571.106 and SAE J1131 standards, making them fully compliant and safe for truck, trailer, and bus air brake systems.
Do I need to apply extra thread tape or sealant before installation?
No additional thread tape is necessary because all male NPT threads come pre-coated with a red anti-leakage sealant designed to prevent air loss upon connection.
Are these authentic USA imported products available in India?
Yes, this product is authentic and sourced directly from the USA. Dropy ensures that all items are genuinely imported to meet your specific project needs in India.
What tools are required to connect the tubing?
No special tools are required for the tubing connection thanks to the push-to-connect quick-release design, which allows you to insert and lock the air line instantly.
How long will delivery take?
Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.
Is cash on delivery available?
Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.
Are your products genuine?
Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.
What if my order arrives damaged or wrong?
Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.
Is delivery free?
Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.