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  3. Air Suspension Compressor Kit
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Firestone Union Tee for 1/4" Tubing

Firestone Union Tee for 1/4" Tubing

Item # F3025-1
Our Price: $16.23
Accessories and Parts
Shipping Weight: 0.07 lbs
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Adapter includes three push-to-connect fittings for use with Firestone 1/4" air lines. Adapter splits one incoming air line into two outgoing lines or it routes two incoming air lines into one outgoing line. 1-800-940-8924 to order Firestone accessories and parts part number F3025-1 or order online at Free expert support on all Firestone products. Great prices and Fastest Shipping for Firestone Union Tee for 1/4" Tubing. Accessories and Parts reviews from real customers.
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  • Reviews (250)
  • Q & A (0)
  • Videos (2)
  • Photos

Firestone Accessories and Parts - F3025-1

  • Air Suspension Compressor Kit
  • Vehicle Suspension
  • Connectors
  • Union Tee
  • Firestone
  • 1/4 Inch Tubing

Adapter includes three push-to-connect fittings for use with Firestone 1/4" air lines. Adapter splits one incoming air line into two outgoing lines or it routes two incoming air lines into one outgoing line.


  • Splits 1 incoming line into 2 outgoing lines
  • Routes 2 incoming lines into 1 outgoing line
  • Provides fast and easy air line connection


  • Quantity: 1 tee
  • Application: Firestone 1/4" push-to-connect air lines
  • 2-Year limited warranty

Note: The construction material of the fittings may vary.

WR17603025 Firestone Union T-Connector for 1/4" Tubing


Video of Firestone Union Tee for 1/4" Tubing

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for Firestone Vehicle Suspension F3025-1 Review

Today, we're going to take a look at the Firestone union tee for quarter-inch air line tubing. This union tee has three push-to-connect fittings for quarter-inch air line tubing. This connector will split one incoming air line into two outgoing lines, or it will route two incoming air lines into one outgoing line. inaudible 00:00:18 quantity of one union tee. That should do it for the review on the Firestone union tee for quarter-inch air line tubing.

Customer Satisfaction Score:

Customer Reviews

Firestone Union Tee for 1/4" Tubing - F3025-1

Average Customer Rating:  4.8 out of 5 stars   (250 Customer Reviews)

Adapter includes three push-to-connect fittings for use with Firestone 1/4" air lines. Adapter splits one incoming air line into two outgoing lines or it routes two incoming air lines into one outgoing line.


I prefer to run the air bags to 1 fitting and equalize pressure. This worked well. I ran a single line up to the side of the bed near the 115V outlet and put the tee under the bed.

Lance T.


still holding air


Part looks good. We will see how well it works when installed. As for etrailer they were top notch to deal with from start to Finnish and will be my go to site from here on.


Seals the first time, allows single point filling of my air spring system. A little expensive for what it is, but having no leaks to contend with after install makes it worth it.


Great product Helped a great deal and installing the air springs. One line is always better than to keep everything level.


Gotta have this T-valve for the Firestone air bag suspension install, makes it easier and even when filling or deflating air bags.


Excellent customer service! Product came in a very timely manner. Firestone Coil Rite air bags model #4164 were easy to install and also fit Infinity QX80 2011-2015. Thank you especially to Devine W. For being super helpful.


Just what I needed. So much easier than trying to set pressure on separate sides


The new slip in and lock air line technology is pretty slick stuff!! With me looking for a level load, joining my dual lines (bags) into one was best. This t-fitting works spot on. A must and should be included in the kits.


Worked as expected so I could tie the individual air lines together and install a single air valve.


As expected


Part is as described. A must have to equalize air bag pressure between both sides. Easy to install. Fast shipping. Thank you.


The T fitting for my AirBags worked great. The sloooooooooow shipping on USPS (4 days late) was terrible.


Works great I like it because I think it keeps the air pressure equal on both airbags installed easy no leaks .


Stupid not to buy when running air bags


It works what else can you say. One line fills both air bags now. To easy.


The "T" is a nice addition to the Firestone Airbags you installed. Both the airbags and the T make a much more stable ride when towing my camper. It is always a pleasure doing business with etrailer.

Meade F.


Works great


These worked perfectly when I needed a connector to tap into the lines for my Firestone airbag for the onboard Airlift wireless air compressor system I purchased from etrailer. These two items make it easy to control the pressure in my airbags not only while not moving but I can adjust the air pressure in my Firestone Air bags while driving as well. As an added bonus the T connection can be easily removed if needed.


Installed this product as part of the Firestone Ride-Rite air bag system. For me, I did not see the need for different air pressures on each side. Thus, I went with the union T so that I would only have one air valve on the outside of the vehicle. This was installed about a year ago and is still working well.


Product was fairly easy to install. The instructions were a bit general. On line blogs and a video by Firestone were a great help.

This is the third set of air helper springs that I have installed on a vehicle. I am impressed by the quality of the components when compared to the other brand that I previously used.

The help I received when making the order was exceptional. The sales person, Renee, followed up several times via email to insure the order was correct, in transit, and delivered. Finally she wanted to know if the product met my expectations. This is almost unheard of in today's world. As a result today I recommended etrailer to one of my kids (weight distributing hitch) and a friend (air suspension).


The product was exactly what I was looking for and needed for my Rite right system. The star rating represents the service, or lack of, when I initially apptempted to order it from etrailer. Let me explain, I called the etrailer order line and explained to the representative that I had just placed an order online for a very expensive firestone wireless air compressor kit and I wanted to get the proper union tree for the kit. After reviewing my online order, the representative indicated that they were unaware of which union tree that would be needed, but that they would contact firestone and put a note on my order for follow up. Never happened. After doing my own research I was able to identify the part and part number. I ordered the part from the etrailer site because it was competivitly priced. Again, the product is as advertised, but the rating represents my ordering experience for the same part.
- Marco V


The Firestone airbags were very easy to install. The only place that I scratched my head was for the torque values for the various hardware. I eventually located it at the end of the instructions. It is common in the better auto repair manuals to list the torque ratings in the drawings. Just an idea.
Since I'm somewhat OCD when it comes to mechanical work, I always have a torque wrench in hand for the final tightening.
Your instructional videos are a real time saver. Well Done!!!
The air tubing cutter worked as advertised. Nice, clean and even cuts every time.


I used this to tie 2 lines into 1 so I have 1 valve to control to air pressure on both evenly. Worked great!


Got the t-fitting to go with the Firestone airbag kit I got for my 2020 Chevy 2500 HD Z-71 Silverado. Having to manually equal out two separate airbags is a little difficult and that is why I elected to run the t-fitting do I am only filling the two bags from one inflation point.


I chose not to have an on board air compressor, opting instead for using a portable compressor to air my Firestone airbags. This T fitting makes that really easy. One place to air up, and automatic balancing of the air pressure between bags as temps change, etc.


Bought this coupler along with a Firestone air coil rite system. Installed on a 2008 Rav4. Easy installation with the added help of the etrailer diy video. Both products work great and are still going strong 1 year later. No leaks! Would buy again if needed.

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Employee Leah B
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Employee Alex H
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Employee Mike L
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Employee Michael H
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Employee Tyler C
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Employee Joshua S
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Employee Nicholas E
Test Fit:
Nicholas E
Employee Shane T
Test Fit:
Shane T

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