Brass Adapter - 3/8" NPT Male x 3/8" NPT Female Air Line Fitting - Replaces Eaton 3200X6 Parker 222P66 177.9120CC
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$1.69
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Fitment
Fits these trucks
Universal - Class 8 tractors, trucks and commercial trailersNPT air-brake and air-line connectionsAir-accessory plumbing on tractors and trailers
Always confirm your year, make & model before ordering.
Part numbers
OEM & interchange numbers
6 cross-refsEaton 3200X6 Parker 222P66 120CC 018037 S1206 177.9622
Direct 1-to-1 replacement for every number above. Tap any number to copy.
Overview
Change the sex of a 3/8 in air port without changing anything else using this brass adapter distributed by FleetPro Parts & Tires. It is shop-grade NPT pipe connection hardware for truck and trailer air-brake and air-accessory plumbing, with one 3/8 in male pipe end and one 3/8 in female pipe end on the same body. A weeping, cross-threaded or corroded fitting bleeds a reservoir down overnight, drags governor cut-in pressure down, sets off the low-air warning and can leave a tractor sitting on its spring brakes in the morning. 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.
Same-Size Stand-Off: The 3/8 in Brass Adapter Advantage
With the same 3/8 in NPT thread on both ends, this adapter is a simple way to stand a fitting off a crowded valve body, extend a recessed port out where a wrench can reach it, or add a wrench flat for breaking a stuck joint loose - without adding a second piece of hardware to the stack.
Both ends are tapered pipe thread, so the seal is made by the threads pulling together under sealant tape or pipe dope rather than by a gasket that can blow out. The brass body handles the moisture, road salt and compressor oil that live inside a heavy-duty air system and will not gall or seize into a valve body the way a steel fitting can. At FleetPro Parts & Tires, we know an air system is only as good as its weakest joint. This Automann adapter is a direct replacement for highly searched industry numbers including Eaton 3200X6 and Parker 222P66, it replaces the earlier 177.9622, and it also crosses to reference numbers 120CC, 018037 and S1206.
Vehicle Fitment & Compatibility
This universal-application brass fitting is intended for the following commercial use:
- Make/Model: Universal - Class 8 tractors, trucks and commercial trailers
- System: Air brake and air accessory plumbing
- Male End: One 3/8 in male NPT pipe end
- Female End: One 3/8 in female NPT pipe end
- Component Group: Air Brake & Wheel / Air System Manifolds & Valves
Direct Replacement & Cross-Reference Numbers:
This Automann brass adapter serves as a direct replacement for the following part numbers:
- Eaton Interchange: 3200X6
- Parker Interchange: 222P66
- Additional Interchange: 120CC, 018037, S1206
- Supersedes: 177.9622
- Automann Distributor #: 177.9120CC
Technical Specifications
- Component Type: Brass Adapter
- Male End: One 3/8 in Male Pipe End
- Female End: One 3/8 in Female Pipe End
- Thread: 3/8 in NPT
- Body Material: Brass
- Application: Universal - air brake systems
- Condition: New
- Warranty: 1-Year FleetPro Warranty
- UPC: 889626447112
- Product Level: Fleet Standard Aftermarket
- Brand: Automann (Distributed by FleetPro Parts & Tires)
Key features
- Same-Size Stand-Off: Extends a 3/8 in connection out from a crowded valve body and adds a wrench flat for breaking a stuck joint loose.
- Same Size Both Ends: No size change to plan around - the line keeps its 3/8 in NPT flow path straight through the fitting.
- Fewer Joints, Fewer Leaks: One tapered thread instead of two means one less place for the system to weep down overnight.
- Solid Brass Construction: Brass shrugs off the moisture, road salt and compressor oil inside a heavy-duty air system and will not gall into a valve body.
- Direct Eaton and Parker Interchange: Crosses to Eaton 3200X6 and Parker 222P66, plus reference numbers 120CC, 018037 and S1206.
Specifications
Component Type
Brass Adapter
Male End
One 3/8 in Male Pipe End
Female End
One 3/8 in Female Pipe End
Thread
3/8 in NPT
Body Material
Brass
Application
Universal - air brake systems
Supersedes
177.9622
Condition
New
Warranty
1-Year FleetPro Warranty
UPC
889626447112
Product Level
Fleet Standard Aftermarket
Questions
Will this fit my truck?
This part fits Universal - Class 8 tractors, trucks and commercial trailers, NPT air-brake and air-line connections, Air-accessory plumbing on tractors and trailers. Always confirm your year, make and model before ordering.
What part numbers does it replace?
Yes. It is a direct replacement that interchanges with Eaton 3200X6, Parker 222P66, 120CC, 018037, S1206, 177.9622.
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.