Brass Push-Lock Male Connector - 1/4" Tube x M10 x 1.0 Air Brake Fitting - Volvo 20566048 Paccar 1889038 177.13B684M10
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Fitment
Fits these trucks
Universal - air brake plumbing on Eaton Fuller and Volvo applicationsAir brake plumbing on tractors and trailers1/4 in DOT nylon tubing to an M10 x 1.0 metric portDOT brake circuits - meets FMVSS 571.106
Always confirm your year, make & model before ordering.
Part numbers
OEM & interchange numbers
4 cross-refsPaccar 1889038 Paccar 1889038PE Volvo 20566048 Volvo 8397965
Direct 1-to-1 replacement for every number above. Tap any number to copy.
Overview
Metric ports are where most air-line repairs go sideways: an inch-series fitting will start into an M10 x 1.0 hole and then leak forever. This Brass Push-Lock Connect (PLC) Male Connector from Automann is the right thread for the job, taking 1/4 in DOT nylon tubing into an M10 x 1.0 metric port on Volvo and Eaton Fuller air plumbing. It is a DOT-approved brass fitting for air brake tubing and replaces Automann 177.V20566048. 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.
The Right Metric Thread: The M10 x 1.0 PLC Connector Advantage
Getting the thread right is the whole job. This connector is cut for a M10 x 1.0 metric thread and accepts 1/4 in DOT nylon air brake tubing on the push-lock end, so the tube seats by hand and the port seals on its own threads instead of on a wrap of tape and hope. Brass construction keeps the fitting serviceable years later - it does not rust into the housing the way a plated-steel fitting does, and it comes back out when the valve or transmission control eventually needs to.
The push-to-connect end makes the repair fast anywhere. Square-cut the tube, push it in, tug to confirm it is locked, and charge the system. Because it is DOT approved and meets FMVSS 571.106 requirements for brake circuits, it can be used on the brake plumbing itself rather than being limited to accessory air. Automann builds this connector to Fleet Standard specifications.
This fitting is a direct replacement for highly searched industry numbers including Volvo 20566048, Volvo 8397965, Paccar 1889038 and Paccar 1889038PE, and it supersedes Automann 177.V20566048. Confirm the port thread before ordering - metric air ports on these trucks run in several sizes.
Vehicle Fitment & Compatibility
This DOT brass air fitting is intended for the following commercial applications:
- Make/Model: Universal - air brake plumbing on Eaton Fuller and Volvo applications
- System: Air brake plumbing on tractors and trailers
- Tube Size: 1/4 in DOT nylon tubing
- Port Thread: M10 x 1.0 metric
- Compliance: Meets FMVSS 571.106 / DOT requirements for brake circuits
- 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:
- Volvo Interchange: 20566048, 8397965
- Paccar Interchange: 1889038, 1889038PE
- Automann Supersession: 177.V20566048
- Automann Distributor #: 177.13B684M10
Technical Specifications
- Component Type: Push-Lock Connect (PLC) Male Connector, DOT air brake
- Tube End: 1/4 in DOT nylon tubing
- Thread: M10 x 1.0
- Body: Brass
- Replaces: 177.V20566048
- Application: Eaton Fuller, Universal, Volvo
- Compliance: DOT approved, FMVSS 571.106
- Grade: Fleet Standard
- UPC: 889626743528
- Product Level: Fleet Standard Aftermarket
- Brand: Automann (Distributed by FleetPro Parts & Tires)
Key features
- Correct M10 x 1.0 Metric Thread: Cut for the metric air ports used on Volvo and Eaton Fuller components, so it seals on thread form instead of on tape.
- Push-Lock 1/4 in Tube End: DOT nylon tubing pushes in by hand and locks in the collet - no ferrule, no sleeve, no special tool.
- Brass Stays Serviceable: A brass body will not rust into the housing, so the fitting still backs out when the valve or control needs work years later.
- Legal on Brake Circuits: DOT approved and meets FMVSS 571.106, so it is not limited to accessory air lines.
- Covers the Volvo and Paccar Numbers: Direct replacement for Volvo 20566048 and 8397965 plus Paccar 1889038 and 1889038PE, and it supersedes 177.V20566048.
Specifications
Component Type
Push-Lock Connect (PLC) Male Connector, DOT air brake
Tube End
1/4 in DOT nylon tubing
Thread
M10 x 1.0
Body
Brass
Replaces
177.V20566048
Application
Eaton Fuller, Universal, Volvo
Compliance
DOT approved, FMVSS 571.106
Grade
Fleet Standard
UPC
889626743528
Product Level
Fleet Standard Aftermarket
Questions
Will this fit my truck?
This part fits Universal - air brake plumbing on Eaton Fuller and Volvo applications, Air brake plumbing on tractors and trailers, 1/4 in DOT nylon tubing to an M10 x 1.0 metric port, DOT brake circuits - meets FMVSS 571.106. Always confirm your year, make and model before ordering.
What part numbers does it replace?
Yes. It is a direct replacement that interchanges with Paccar 1889038, Paccar 1889038PE, Volvo 20566048, Volvo 8397965.
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.