Do these couplers have a shut off on the top of them?

Yes, the red or blue part twists to open or close the valve.

Do they make car-side hi/low pressure fitting with threads? So you can easily attach these to the gauge set when not in use?

Anthony, If I understand what you want to do, you want to attach your couplers to your a/c lines and leave them there, and when not in use you want to attach those to the "storage" fittings on the backside of your gauge set. I did some quick research and I believe they do make what you want and Amazon carries them. What you need is a set of R12 to R134a adapters. They should have a female SAE 1/4" flare R12 side (to attach to the "storage" fittings on the back of the gauges) and male quick connect R134a side to attach to your couplers, obviously you will need two, one for the low side and one for the high side. It looks like they are sold both separately and in sets. Just search Amazon for "R12 to R134a adapter" and you should find what you need. It's a good thing there's still a bunch of us old timers out there with old cars and old R12 systems that need to be converted to R134a systems. Just remember the gauge fittings are SAE 1/4", male flare, and I think the quick connect fittings are standardized although I 'll have to research their designated sizes/names. These may also be available at your local auto parts store. Hope this helps........

how many of item ROB18192 is in stock? Thanks.

If you meant how many in a packag I beleieve 2 Well both red and blue. They may not work well with certain hoses you may end up buying adapter or buy robin hoses with it

Says it ships from amazon in 1-3 months.. is that pretty accurate?

it didnt take that long when i ordered mine

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Robinair 18192 R-134A Manual Replacement Coupler Set for R-134a Automotive AC Service Hoses - High and Low Side Pair

Robinair 18192 R-134A Manual Replacement Coupler Set for R-134a Automotive AC Service Hoses - High and Low Side Pair

Product ID: 5277026

Details

Brand
Robinair
Color
Blue/Red
Connector Type
Coupling
Exterior Finish
Chrome
Global Trade Identification Number
Item Weight
0.23 Grams

📏Compact design fits tight engine spaces

🔧6-ball coupler for superior grip

🛡️Integral safety sleeve prevents injury & leaks

E£ 19594

Duties & taxes included

In stock

Sold byAmazon EGYPTDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Connect with confidence — the pro’s choice for flawless A/C service!

BUILT TO LAST - Rugged chrome-plated brass construction delivers durability and long service life.
DUAL SIDE POWER - Includes both high-side and low-side couplers for complete R-134a A/C system service.
GRIP LIKE A PRO - 6-ball coupler design ensures rock-solid, slip-free connections every time.
SAFETY FIRST ALWAYS - Integral safety sleeve guards against refrigerant loss and accidental injuries under pressure.
SPACE SAVVY ENGINEERING - Compact form factor lets you work effortlessly in cramped engine compartments.

The Robinair 18192 R-134A Manual Replacement Coupler Set is a precision-engineered tool designed for seamless connection to automotive R-134a A/C service ports. Featuring a quick-connect design with an integral safety sleeve, it prevents refrigerant loss and protects users from injury. Its compact size fits tight engine compartments, while the 6-ball coupler design offers superior grip stability compared to standard 4-ball models. This set includes both high-side and low-side couplers, crafted from durable chrome-plated brass to ensure long-lasting performance and reliability.

Specifications

ASIN	B000PH73SU
Best Sellers Rank	#62,985 in Automotive ( See Top 100 in Automotive ) #39 in Fuel Line Disconnect Tools
Brand Name	Robinair
Color	Blue/Red
Connector Type	Coupling
Customer Reviews	4.7 4.7 out of 5 stars (457)
Exterior Finish	Chrome
Global Trade Identification Number	00637335015753
Included Components	Replacement Coupler Set
Item Dimensions	3.1 x 10.4 x 0.2 inches
Item Type Name	Replacement Coupler
Item Weight	0.23 Grams
Manufacturer	Robinair
Manufacturer Part Number	18192
Manufacturer Warranty Description	One (1) Year Limited Warranty
Material Type	Brass with Chrome Plating
Model Number	18192
Number of Pieces	1
Set Name	R-134A Manual Replacement Coupler Set
Thread Type	NPT
UPC	637335015753
Unit Count	1.0 Count

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