Brass Air Brake Hose Coupling with Spring Guard - 3/8in Hose ID x 3/8in NPT Male - Euclid E8596 177.16936C

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SKU: 177.16936C
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Fitment

Fits these trucks

Universal - Class 8 tractors and commercial trailersAir brake plumbing on tractors and trailers3/8in ID rubber air brake hose to a 3/8in NPT male portFlexing hose runs that need a spring guard at the fitting
Always confirm your year, make & model before ordering.
Part numbers

OEM & interchange numbers

1 cross-ref
Euclid E8596
Direct 1-to-1 replacement for every number above. Tap any number to copy.
Overview

Stop a rubber air hose from failing where it flexes with this DOT air brake hose coupling with spring guard distributed by FleetPro Parts & Tires. It takes 3/8in ID hose onto a 3/8in NPT male thread end, with a brass body and attached spring, and it includes a castellated sleeve. Air hose almost never fails in the middle - it fails an inch behind the fitting, where every bump works the same spot until it kinks, chafes and finally splits. Manufactured by Automann to Fleet Standard specifications, 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.

Protected Where It Bends: The Spring Guard Hose Coupling Advantage

The attached spring is the whole point of this coupling: it stays with the fitting and covers the hose right at the transition instead of leaving it bare, which is the failure point on tractor-to-chassis and cab-mounted lines that move every time the truck does. The castellated sleeve is included, so the end is complete out of the box rather than one small piece short at 6 a.m.

The brass body handles moisture, oil carryover and road salt, the coupling is DOT approved for heavy-duty air brake systems, and it meets FMVSS 571.106 / DOT requirements for brake circuits. At FleetPro Parts & Tires, we know the end fitting is where hoses die. This Automann coupling replaces 177.7016 and is a direct replacement for the highly searched industry number Euclid E8596. It ships new with a 1-Year FleetPro Warranty.


Vehicle Fitment & Compatibility

This universal-application DOT brass fitting is intended for the following commercial use:

  • Make/Model: Universal - Class 8 tractors and commercial trailers
  • System: Air brake plumbing on tractors and trailers
  • Hose: 3/8in ID rubber air brake hose
  • Thread: 3/8in NPT male
  • Includes: Castellated sleeve
  • Component Group: Air Brake & Wheel / Air System Manifolds & Valves

Direct Replacement & Cross-Reference Numbers:

This Automann brass fitting serves as a direct replacement for the following part numbers:

  • Euclid Interchange: E8596
  • Automann Supersedes: 177.7016
  • Automann Distributor #: 177.16936C

Technical Specifications

  • Component Type: DOT Air Brake Hose Coupling with Spring Guard
  • Hose: 3/8in ID
  • Thread: 3/8in NPT male
  • Body: Brass, with attached spring
  • Includes: Castellated sleeve
  • Approval: DOT Approved for Heavy-Duty Air Brake Systems
  • Compliance: Meets FMVSS 571.106 / DOT requirements for brake circuits
  • Replaces: 177.7016
  • Weight: 0.36 lbs
  • Package Dims: 4.812 x 1.25 x 1.078 in
  • Condition: New
  • Warranty: 1-Year FleetPro Warranty
  • UPC: 889626446207
  • Product Level: Fleet Standard Aftermarket
  • Brand: Automann (Distributed by FleetPro Parts & Tires)
Key features
  • Spring Guard Where Hoses Fail: The attached spring covers the hose right behind the fitting, the spot that kinks and chafes first on a flexing line.
  • Castellated Sleeve Included: The end arrives complete, so the repair is not held up waiting on one small missing piece.
  • Matched 3/8in Hose and Thread: 3/8in ID hose onto a 3/8in NPT male end keeps the circuit full size at the connection.
  • Brass Construction: Resists the moisture, oil carryover and road salt that circulate through a heavy-duty air system.
  • DOT Approved for Heavy-Duty Air Brake Systems: Meets FMVSS 571.106 / DOT requirements for brake circuits, backed by a 1-Year FleetPro Warranty.
Specifications
Component Type
DOT Air Brake Hose Coupling with Spring Guard
Hose
3/8in ID
Thread
3/8in NPT male
Body
Brass, with attached spring
Includes
Castellated sleeve
Approval
DOT Approved for Heavy-Duty Air Brake Systems
Compliance
Meets FMVSS 571.106 / DOT requirements for brake circuits
Application
Universal
Replaces
177.7016
Weight
0.36 lbs
Package Dims
4.812 x 1.25 x 1.078 in
Condition
New
Warranty
1-Year FleetPro Warranty
UPC
889626446207
Product Level
Fleet Standard Aftermarket
Questions
Will this fit my truck?
This part fits Universal - Class 8 tractors and commercial trailers, Air brake plumbing on tractors and trailers, 3/8in ID rubber air brake hose to a 3/8in NPT male port, Flexing hose runs that need a spring guard at the fitting. Always confirm your year, make and model before ordering.
What part numbers does it replace?
Yes. It is a direct replacement that interchanges with Euclid E8596.
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.