Brass Push-Lock Male Connector - 1/4" Tube x M12 x 1.5 Deep Hex Air Brake Fitting - Volvo 20510630 Parker 68PTC-4-MA12 177.13B684M12V
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Fitment
Fits these trucks
Universal and Volvo air brake applicationsAir brake plumbing on tractors and trailers1/4 in DOT nylon tubing to an M12 x 1.5 metric portDOT brake circuits - meets FMVSS 571.106
Always confirm your year, make & model before ordering.
Part numbers
OEM & interchange numbers
3 cross-refsParker 68PTC-4-MA12 Parker 68PTC4MA12 Volvo 20510630
Direct 1-to-1 replacement for every number above. Tap any number to copy.
Overview
A stripped or cross-threaded metric air port turns a ten-minute line repair into a valve replacement. This Brass Push-Lock Connect (PLC) Male Connector from Automann is the correct M12 x 1.5 thread for Volvo-style air ports, with a deep hex that gives a wrench real purchase in a recessed or crowded location instead of rounding off. The push-lock end takes 1/4 in DOT nylon air brake tubing by hand. 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.
Deep Hex, Metric Thread: The M12 x 1.5 PLC Connector Advantage
The deep hex body is the detail that matters on this fitting. Metric air ports are often sunk into a valve boss or tucked behind a bracket, and a shallow hex is exactly where a wrench slips and a brass corner disappears. The deeper flats let you seat a wrench squarely and torque the fitting home. Behind that hex, the brass body and collet resists the corrosion that swells a steel fitting into an aluminum housing, so the joint is still serviceable the next time this circuit is opened.
On the tube side, the push-to-connect collet accepts 1/4 in nylon air brake tubing: cut it square, push it home and pull to verify. The fitting is a DOT-approved brass fitting for air brake tubing and meets FMVSS 571.106 requirements for brake circuits. It weighs 0.08 lbs, ships in a 1.25 x 1 x 1 in package, is built to Fleet Standard specifications, and carries a 1-Year FleetPro Warranty.
This connector replaces Automann 177.V20510630 and is a direct replacement for highly searched industry numbers including Volvo 20510630, Parker 68PTC-4-MA12 and Parker 68PTC4MA12. Verify the port thread before ordering - metric air ports come in more than one size and only an M12 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 and Volvo air brake applications
- System: Air brake plumbing on tractors and trailers
- Tube Size: 1/4 in DOT nylon tubing
- Port Thread: M12 x 1.5 metric, deep hex
- 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: 20510630
- Parker Interchange: 68PTC-4-MA12, 68PTC4MA12
- Automann Supersession: 177.V20510630
- Automann Distributor #: 177.13B684M12V
Technical Specifications
- Component Type: Push-to-connect (PLC) Male Connector, DOT air brake
- Tube End: 1/4 in
- Thread: M12 x 1.5 metric, deep hex
- Body: Brass body and collet
- Replaces: 177.V20510630
- Compliance: DOT approved, FMVSS 571.106
- Condition: New
- Warranty: 1-Year FleetPro Warranty
- Weight: 0.08 lbs
- Package Dims: 1.25 x 1 x 1 in
- UPC: 889626743535
- Product Level: Fleet Standard Aftermarket
- Brand: Automann (Distributed by FleetPro Parts & Tires)
Key features
- Deep Hex Wrench Grip: The deep hex gives a wrench square purchase in recessed or crowded metric ports instead of rounding the corners off.
- Correct M12 x 1.5 Metric Thread: Matches the Volvo-style metric air port so the fitting seals on its own thread form.
- Push-Lock 1/4 in Tube End: Square-cut nylon air brake tubing pushes in by hand and locks in the brass collet - no ferrule and no special tool.
- Brass Beats Corrosion: A brass body and collet will not swell and seize into an aluminum housing the way plated steel does.
- Direct Volvo and Parker Replacement: Covers Volvo 20510630, Parker 68PTC-4-MA12 and 68PTC4MA12, and supersedes Automann 177.V20510630.
Specifications
Component Type
Push-to-connect (PLC) Male Connector, DOT air brake
Tube End
1/4 in
Thread
M12 x 1.5 metric, deep hex
Body
Brass body and collet
Replaces
177.V20510630
Compliance
DOT approved, FMVSS 571.106
Condition
New
Warranty
1-Year FleetPro Warranty
Weight
0.08 lbs
Package Dims
1.25 x 1 x 1 in
UPC
889626743535
Product Level
Fleet Standard Aftermarket
Questions
Will this fit my truck?
This part fits Universal and Volvo air brake applications, Air brake plumbing on tractors and trailers, 1/4 in DOT nylon tubing to an M12 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-MA12, Parker 68PTC4MA12, Volvo 20510630.
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.