Swivel Air Brake Hose Coupling - 3/8" ID Hose x 3/8" NPT Swivel - DOT Brass Fitting 177.16946C
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Fitment
Fits these trucks
Universal - Class 8 trucks, tractors and commercial trailersAir brake plumbing on tractors and trailers3/8 in ID DOT air brake hose3/8 in NPT swivel ports
Always confirm your year, make & model before ordering.
Overview
An air line that has to move needs a fitting that can turn. This DOT brass swivel hose coupling distributed by FleetPro Parts & Tires terminates 3/8 in ID DOT air brake hose in a 3/8 in NPT swivel, so the hose can be routed and then torqued without winding the line up on itself. A hose twisted during assembly fights back for the rest of its service life: it rubs the frame rail, work-hardens at the ends and finally splits under pressure on a cold morning. We stock these heavily right here in our Hanover Park, Illinois warehouse to ensure lightning-fast shipping for fleets, diesel repair shops, and owner-operators nationwide.
No Twist, No Leak: The 3/8 In Swivel Coupling Advantage
The swivel is the entire point of this fitting. With a fixed end you have to spin the hose itself to tighten the joint, and whatever twist you put in stays in. Here the 3/8 in NPT end turns independently of the hose, so you set the route first and tighten second, and the line lies exactly where you put it. That single detail is the difference between a hose that ages out on schedule and one that comes back to you chafed through in a season.
This is a brass air fitting for air brake hose, and Automann lists this fitting family as meeting FMVSS 571.106 / DOT requirements for brake circuits. It is ordinary air brake plumbing hardware for tractors and trailers, matched to 3/8 in ID DOT air brake hose, and the swivel is what keeps that hose lying flat once it is torqued. At FleetPro Parts & Tires we keep the small brass on the shelf, because the smallest fitting in the system is the one that actually strands a truck. This Automann swivel hose coupling is the current replacement for 177.7102.
Vehicle Fitment & Compatibility
This Fleet Standard brass fitting uses a universal design intended for the following commercial applications:
- Make/Model: Universal - Class 8 trucks, commercial tractors and trailers
- System: Air brake plumbing on tractors and trailers
- Hose: 3/8 in ID DOT air brake hose
- Port: 3/8 in NPT swivel thread
Direct Replacement & Cross-Reference Numbers:
This Automann swivel hose coupling serves as a direct replacement for the following part number:
- Automann Supersedes: 177.7102
- Automann Distributor #: 177.16946C
Technical Specifications
- Component Type: Swivel Hose Coupling
- Hose: 3/8 in ID DOT Air Brake Hose
- Thread: 3/8 in NPT Swivel
- Material: Brass
- Replaces: 177.7102
- Weight: 0.2 lbs
- Package dims: 3.182 x 1.2 x 1.2 in
- UPC: 889626446252
- Product Level: Fleet Standard Aftermarket
- Brand: Automann (Distributed by FleetPro Parts & Tires)
Key features
- Swivel End Kills the Twist: The 3/8 in NPT end turns independently, so you route the hose first and tighten second instead of winding the line up on itself.
- Brass Air Brake Body: A brass DOT-type air fitting built for the air brake tubing on tractors and trailers.
- Routes Without Fighting Back: A hose that goes on untwisted stops rubbing the frame rail and work-hardening at the ends.
- Matched to 3/8 In Hose: Sized specifically for 3/8 in ID DOT air brake hose, so the joint seals on the first try.
- Current Replacement for 177.7102: Supersedes the older Automann number, so one part covers both callouts.
Specifications
Component Type
Swivel Hose Coupling
Hose
3/8 in ID DOT Air Brake Hose
Thread
3/8 in NPT Swivel
Material
Brass
Replaces
177.7102
Weight
0.2 lbs
Package dims
3.182 x 1.2 x 1.2 in
UPC
889626446252
Product Level
Fleet Standard Aftermarket
Questions
Will this fit my truck?
This part fits Universal - Class 8 trucks, tractors and commercial trailers, Air brake plumbing on tractors and trailers, 3/8 in ID DOT air brake hose, 3/8 in NPT swivel ports. Always confirm your year, make and model before ordering.
How fast does it ship?
In-stock orders placed before 12 PM Central on business days ship the same day from our Hanover Park, IL warehouse, and typically arrive in 2 to 5 business days anywhere in the USA.
What's your return policy?
Unused items in original packaging can be returned within 30 days, backed by our 30-day money-back guarantee. If we ship the wrong part, we cover the return label and send the correct one.