Brass Push-Lock Male Connector - 1/4" Tube x M16 x 1.5 Air Brake Fitting - Volvo 20566175 20448956 Parker 68PTC-4-MA16 177.13B684M16
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Fitment
Fits these trucks
Universal - air brake plumbing on Volvo applicationsAir brake plumbing on tractors and trailers1/4 in DOT nylon tubing to an M16 x 1.5 metric portDOT brake circuits - meets FMVSS 571.106
Always confirm your year, make & model before ordering.
Part numbers
OEM & interchange numbers
4 cross-refsParker 68PTC-4-MA16 Parker 68PTC4MA16 Volvo 20448956 Volvo 20566175
Direct 1-to-1 replacement for every number above. Tap any number to copy.
Overview
Large metric ports are unforgiving - force an inch-series fitting into an M16 x 1.5 hole and you will chase that leak until the valve is scrap. This Brass Push-Lock Connect (PLC) Male Connector from Automann is cut for the M16 x 1.5 metric thread found on Volvo air brake plumbing and takes 1/4 in DOT nylon tubing on the push-lock end. It replaces Automann 177.V20566175. 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.
Big Port, Small Line: The M16 x 1.5 PLC Connector Advantage
This connector solves a specific problem: a large M16 x 1.5 metric port that has to feed a 1/4 in air line. Rather than stacking a reducer bushing on an adapter - two more joints, two more places to leak - it does the whole step-down in one brass body. Fewer joints in a brake circuit is always the better repair, and it keeps the assembly short enough to clear the brackets and harnesses that crowd these ports.
The push-to-connect end takes square-cut nylon tubing by hand and locks it in the collet, so the line can be built at the roadside with a tubing cutter alone. Brass construction resists the salt spray, condensate and heat cycling that corrode plated-steel fittings, and it is a DOT-approved brass fitting for air brake tubing that meets FMVSS 571.106 requirements for brake circuits. Automann builds it to Fleet Standard specifications.
This fitting is a direct replacement for highly searched industry numbers including Volvo 20566175, Volvo 20448956, Parker 68PTC-4-MA16 and Parker 68PTC4MA16, and it supersedes Automann 177.V20566175. Check the port thread before ordering - a metric port that looks close is not close enough, and only an M16 x 1.5 fitting will seal here.
Vehicle Fitment & Compatibility
This DOT brass air fitting is intended for the following commercial applications:
- Make/Model: Universal - air brake plumbing on Volvo applications
- System: Air brake plumbing on tractors and trailers
- Tube Size: 1/4 in DOT nylon tubing
- Port Thread: M16 x 1.5 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: 20448956, 20566175
- Parker Interchange: 68PTC-4-MA16, 68PTC4MA16
- Automann Supersession: 177.V20566175
- Automann Distributor #: 177.13B684M16
Technical Specifications
- Component Type: Push-Lock Connect (PLC) Male Connector, DOT air brake
- Tube End: 1/4 in DOT nylon tubing
- Thread: M16 x 1.5
- Body: Brass
- Replaces: 177.V20566175
- Application: Universal, Volvo
- Compliance: DOT approved, FMVSS 571.106
- Grade: Fleet Standard
- UPC: 889626743559
- Product Level: Fleet Standard Aftermarket
- Brand: Automann (Distributed by FleetPro Parts & Tires)
Key features
- One-Piece Step-Down: Takes a large M16 x 1.5 metric port straight to a 1/4 in air line without stacking a bushing and an adapter - two fewer joints to leak.
- Correct M16 x 1.5 Metric Thread: Cut for the Volvo metric air port so it seals on thread form rather than on sealant alone.
- Push-Lock Tube End: Square-cut DOT nylon tubing pushes in by hand and locks in the collet, so the line can be built with a tubing cutter alone.
- Corrosion-Resistant Brass: Stands up to salt spray, condensate and heat cycling that pit and seize plated-steel fittings.
- Volvo and Parker Interchange: Replaces Volvo 20566175 and 20448956 plus Parker 68PTC-4-MA16 and 68PTC4MA16, superseding Automann 177.V20566175.
Specifications
Component Type
Push-Lock Connect (PLC) Male Connector, DOT air brake
Tube End
1/4 in DOT nylon tubing
Thread
M16 x 1.5
Body
Brass
Replaces
177.V20566175
Application
Universal, Volvo
Compliance
DOT approved, FMVSS 571.106
Grade
Fleet Standard
UPC
889626743559
Product Level
Fleet Standard Aftermarket
Questions
Will this fit my truck?
This part fits Universal - air brake plumbing on Volvo applications, Air brake plumbing on tractors and trailers, 1/4 in DOT nylon tubing to an M16 x 1.5 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 Parker 68PTC-4-MA16, Parker 68PTC4MA16, Volvo 20448956, Volvo 20566175.
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.