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3/16″ DOT Air Brake Push-In Double Union
3/16″ DOT Air Brake Push-In Double Union
$11.00
This straight DOT push-in double union connects two matching 3/16-inch outside-diameter nylon air tubes for compact trailer air brake and pneumatic line repairs without a threaded port, and allows either tube to be released by depressing its collet.
Part number DQ62DOT03.
Description
Overview
The 3/16 air brake union joins two matching 3/16-inch outside-diameter nylon tubes in a straight line. Push-in collets at both ends provide a compact tube-to-tube repair without pipe threads, loose olives or compression nuts, while either tube can be released by depressing its collet.
Features
- Two equal 3/16-inch push-to-connect tube ports
- Straight double-union configuration with no threaded connection
- Reusable collets allow the tubes to be removed and reconnected
- Compact brass body for compatible DOT air brake plumbing
Specifications and Materials
Product type: DOT push-to-connect air brake fitting. Configuration: straight equal union joiner. Tube connection one: 3/16-inch OD. Tube connection two: 3/16-inch OD. Body material: brass. The fitting is intended for compatible nylon air brake tube.
Part number: DQ62DOT03.
Review the manufacturer union joiner specifications
Compatibility and Fitment
Measure both tubes across their outside diameter before ordering. Each end must accept 3/16-inch imperial tube, so do not substitute 5/32-inch, 1/4-inch or 4mm line. Check that the repaired section can remain straight and that enough undamaged tube remains to reach the internal stops without side loading.
These cross-references show where this part replaces the part numbers and applications listed. Some installations may need minor changes. 1862X3, 35-6203, 356203, 3106 55 00DOT, 31065500DOT
Related Parts
Check the related service parts below against the trailer setup before ordering.
| Use | Part number | Part type |
|---|---|---|
| Smaller tube version | DQ62DOT5/32 | 5/32-inch equal union joiner |
| Larger tube version | DQ62DOT04 | 1/4-inch equal union joiner |
| Larger tube version | DQ62DOT06 | 3/8-inch equal union joiner |
Compliance and Safety
Depressurise the circuit before cutting or disconnecting the line. Make clean square cuts, remove scored or flattened tube and push each end fully into the fitting. After installation, pressure-test the repair and inspect for leakage, tube pull-out, abrasion and contact with heat or moving components.
Trailer Applications
The 3/16 air brake union suits straight repairs and extensions in compatible trailer air brake, suspension and auxiliary pneumatic lines. Its small tube size is commonly selected where a compact control or signal line must continue without changing direction or connection size.
Cross-reference and Suitability
This part cross-references to or suits the following equivalent part numbers and compatible alternatives:
| 1862X3 | 35-6203 | 356203 |
| 3106 55 00DOT | 31065500DOT |
Why Choose ICS Trailers
Small imperial tube sizes can look very similar on the bench. Send a clear photo and an outside-diameter measurement if the existing line is difficult to distinguish from 4mm or 5/32-inch tube.
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