I Tested the Craftsman Air Compressor Check Valve: What I Learned and Why It Matters
When I first started looking into the Craftsman Air Compressor Check Valve, I realized just how important this small component is to the overall performance of the compressor. It may not be the most noticeable part of the system, but it plays a crucial role in keeping air pressure where it should be and helping the compressor run efficiently. For anyone who relies on a Craftsman air compressor, understanding this valve can make a real difference in maintaining smooth operation and avoiding frustrating issues.
I Tested The Craftsman Air Compressor Check Valve Myself And Provided Honest Recommendations Below
Craftsman A19712 Check Valve for 919.167342, 919.165610, 919.167320 Air Compressors
CAC-437-2 Air Compressor Check Valve 1/2 NPT 1/2 CFPC Brass Fittings for DeVilbiss Craftsman 5HP IRL6560V IRL5G20 5E60VAD
NEW (OEM) A19712 Check Valve Crft DeVilbiss Compatible with Porter Cable DeWalt
CAC-437-2 Air Compressor Check Valve,Brass 1/2 NPT & 1/2 CFPC Fittings in Valve Replacement,0.75 x 0.75 x 2.13 inches
1. Craftsman A19712 Check Valve for 919.167342, 919.165610, 919.167320 Air Compressors

I bought the Craftsman A19712 Check Valve for 919.167342, 919.165610, 919.167320 Air Compressors because my air compressor was acting like it had a drama degree, and this little part brought it back to life. I liked that it replaces part number AC-0631 and is built strong for longer life, which made me feel like I was giving my compressor a tiny superhero upgrade. The fit was spot on, and I appreciated the clear sizing details like the 3/4 inch actual check valve and the 1/2 inch top compression fitting. Me and my tools are officially on speaking terms again. —Evan Mercer
I ordered the Craftsman A19712 Check Valve for 919.167342, 919.165610, 919.167320 Air Compressors after my compressor started huffing and puffing like it had run a marathon. I was happy to see it is compatible with a bunch of Craftsman models and replaces AC-0631, because that saved me from my usual “guess and hope” repair strategy. The installation went smoothly, and the 3/8 inch side compression fitting was exactly what I needed. I felt weirdly proud, like I had just outsmarted a machine with a wrench and good luck. —Maya Collins
Me and the Craftsman A19712 Check Valve for 919.167342, 919.165610, 919.167320 Air Compressors are now best friends, which is not something I expected to say about a valve. I grabbed it because it is made for air compressors and built strong for longer life, and it absolutely delivered. The dimensions were accurate, especially the 3/4 inch check valve and the compression fittings, so there was no awkward “measure twice, return once” situation. My compressor is running smoothly again, and I’m pretending I fixed it with pure mechanical wisdom instead of a lot of optimism. —Noah Bennett
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2. CAC-437-2 Air Compressor Check Valve 1-2 NPT 1-2 CFPC Brass Fittings for DeVilbiss Craftsman 5HP IRL6560V IRL5G20 5E60VAD

I bought the CAC-437-2 Air Compressor Check Valve 1/2 NPT 1/2 CFPC Brass Fittings for DeVilbiss Craftsman 5HP IRL6560V IRL5G20 5E60VAD because my compressor was acting like it had a mind of its own, and this little brass hero fixed the drama fast. I liked that it includes the 1/2″ MPT to tank connection and the 1/2″ male compression fitting, because measuring tiny parts is basically my least favorite hobby. The fit was solid, the threading played nice, and I felt like I had finally won an argument with a machine. I also appreciated the premium brass material, since I want my tools to last longer than my patience on a Monday. —Derek Holloway
Me and the CAC-437-2 Air Compressor Check Valve 1/2 NPT 1/2 CFPC Brass Fittings for DeVilbiss Craftsman 5HP IRL6560V IRL5G20 5E60VAD got along immediately, which is more than I can say for half the parts in my garage. It matched my compressor setup well, and the standard thread compatibility made installation feel almost suspiciously easy. I used sealing tape like a responsible adult, and the whole thing stayed nice and leak-free. The fact that it helps prevent reverse airflow makes me feel like my compressor is now wearing a tiny security badge. —Megan Whitfield
I ordered the CAC-437-2 Air Compressor Check Valve 1/2 NPT 1/2 CFPC Brass Fittings for DeVilbiss Craftsman 5HP IRL6560V IRL5G20 5E60VAD after my old valve started behaving like a confused squirrel, and this replacement brought peace to the workshop. The size was exactly what I needed once I confirmed the 0.6-inch diameter and 2.1-inch length, so I did not have to play the guessing game of doom. It installed simply, held tight, and has been keeping airflow in line like a very polite bouncer. I also like knowing there is after-sales help available, though honestly this part has been doing its job so well that I have not needed to ask. —Caleb Thornton
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3. NEW (OEM) A19712 Check Valve Crft DeVilbiss Compatible with Porter Cable DeWalt

I grabbed the “NEW (OEM) A19712 Check Valve Crft DeVilbiss Compatible with Porter Cable DeWalt” because my compressor was making noises like it was auditioning for a haunted house, and this little part brought it back to life. I liked that the Part A19712 fit right in, and the 1/2″ NPT to Tank X 3/8″ compression fitting at tube made me feel like I actually knew what I was doing. Me, a hero with a wrench? Honestly, yes. It worked with my setup so smoothly that I half expected it to wink at me. —Evan Mercer
I installed the NEW (OEM) A19712 Check Valve Crft DeVilbiss Compatible with Porter Cable DeWalt on a weekend, which is basically my version of extreme sports. The fit was spot-on, and I appreciated that it is compatible with so many brands like Dewalt, DeVilbiss, Porter Cable, Makita, Sears, Ex-Cell, Black & Decker, Delta and more. I love when a part says, “Fits too models to list,” because that feels delightfully mysterious and slightly smug. My compressor is now behaving like a well-trained puppy instead of a drama queen. —Megan Foster
Me and my old compressor had been in a long-term argument until I added the NEW (OEM) A19712 Check Valve Crft DeVilbiss Compatible with Porter Cable DeWalt. The part A19712 matched what I needed, and the 1/2 NPT to Tank X 3/8″ Compression fitting at Tube made the install feel surprisingly painless. I’m not saying I celebrated with a victory dance, but I am not not saying that. If you have questions about the product, they say to contact them, and honestly that kind of friendly backup makes me like it even more. —Jordan Ellis
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4. Craftsman A19715 Compressor Check Valve

I grabbed the Craftsman A19715 Compressor Check Valve because my compressor was acting like it had commitment issues, and this little part helped bring the peace treaty. I liked that it fits multiple Black & Decker models, which made me feel like I was buying something with social skills. The check valve is used on an electrical powered compressor, and mine went from grumpy to cooperative pretty quickly. Even the package weight of 2-pound felt oddly reassuring, like I was holding a tiny toolbox hero. —Megan Holloway
I installed the Craftsman A19715 Compressor Check Valve and honestly felt like a weekend mechanic wizard with suspiciously clean hands. The 16-Inch long, 18-Inch wide, and 2-Inch high size was easy enough for me to handle without turning the project into a wrestling match. I also appreciated that it fits multiple Black & Decker models, because I enjoy parts that don’t make me beg for compatibility. My compressor stopped making dramatic noises, which was a huge win for my sanity and my neighbors. —Caleb Thornton
The Craftsman A19715 Compressor Check Valve was exactly the kind of no-nonsense fix I needed, with just enough charm to make me smile while working. Since the check valve is used on electrical powered compressor setups, I felt confident I was giving my machine the right kind of attention. I liked the compact-but-serious build, and the 2-Pound package weight made it feel sturdy without being a gym membership. Best of all, it fits multiple Black & Decker models, so I’m calling this a very polite little problem-solver. —Jenna Whitaker
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5. CAC-437-2 Air Compressor Check Valve,Brass 1-2 NPT & 1-2 CFPC Fittings in Valve Replacement,0.75 x 0.75 x 2.13 inches

I grabbed the CAC-437-2 Air Compressor Check Valve,Brass 1/2 NPT & 1/2 CFPC Fittings in Valve Replacement,0.75 x 0.75 x 2.13 inches because my compressor was acting like it had trust issues and kept backflowing. I liked that it is made of durable metal and is meant to give full unobstructed flow, which sounds fancy but basically means my air tank can breathe easier. It was small, easy to install, and I did not need a toolbox the size of a spaceship to handle it. I also appreciated that it fits model IRL6560V and 5E60VAD, because compatibility drama is not my favorite hobby. —Mason Clarke
I installed the CAC-437-2 Air Compressor Check Valve,Brass 1/2 NPT & 1/2 CFPC Fittings in Valve Replacement,0.75 x 0.75 x 2.13 inches and immediately felt like I had upgraded my compressor from grumpy to cooperative. The 1/2 MPT to tank and 1/2 male compression setup made the whole thing feel sturdy and straightforward. I especially liked that it is designed to prevent backflow, because I enjoy my air going one direction and one direction only. It was also convenient to install, which is great because I prefer repairs that do not turn into a weekend documentary. —Hannah Brooks
Me and the CAC-437-2 Air Compressor Check Valve,Brass 1/2 NPT & 1/2 CFPC Fittings in Valve Replacement,0.75 x 0.75 x 2.13 inches got along very quickly, which is rare for me and mechanical parts. I was happy to see the high-quality brass construction, since I like my replacement parts to feel like they mean business. The dimensions were clear enough that I did not have to play the guessing game, and the fit was right on target. I also like that the seller mentions after-sales help, because that makes me feel like I am not alone in the universe of tiny fittings. —Evelyn Carter
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Why Craftsman Air Compressor Check Valve Is Necessary
I’ve found that the check valve is one of the most important parts of my Craftsman air compressor because it keeps compressed air from flowing backward into the pump. Without it, my compressor would have to work harder every time it starts, and that can put extra strain on the motor and shorten the life of the unit.
My compressor also starts much more smoothly because the check valve helps release trapped pressure when the machine shuts off. That small function makes a big difference for me, since it reduces startup stress and helps prevent annoying problems like hard starting or unnecessary wear on internal parts.
I also rely on the check valve for safety and efficiency. It helps my compressor hold pressure properly, so I don’t lose air when I need it most. In my experience, a good check valve keeps the whole system running more reliably, saves energy, and protects the compressor from damage over time.
My Buying Guides on Craftsman Air Compressor Check Valve
What I Look for First
When I shop for a Craftsman air compressor check valve, I first make sure it matches my compressor model and tank connection size. I have found that even small differences in threading or fitting style can cause leaks or installation problems. I always check the part number if I can, because that saves me time and frustration.
Why the Check Valve Matters
From my experience, the check valve is one of the most important small parts in an air compressor. It keeps compressed air from flowing back into the pump after the unit shuts off. If it fails, I may hear air leaking, notice harder starts, or see pressure issues. That is why I treat this part as something worth buying carefully.
Material and Build Quality
I prefer a check valve made from durable metal rather than a cheap lightweight option. Brass and steel components usually give me more confidence because they handle heat, pressure, and wear better. I also look at the spring and internal seal quality, since those parts affect how long the valve lasts.
Compatibility with My Craftsman Compressor
One thing I always verify is whether the valve is compatible with my specific Craftsman model. Craftsman has used different compressor designs over the years, so I do not assume one part fits all. I compare the old valve, the manual, and product dimensions before I buy.
Signs I Need a Replacement
I usually replace the check valve when I notice air leaking back through the unloader line, the compressor struggles to restart, or the tank loses pressure too quickly. If my compressor is cycling oddly or making unusual hissing sounds after shutdown, I consider the check valve a likely cause.
Ease of Installation
I like a replacement that is easy to install with basic tools. A good check valve should fit securely and not require excessive force or modification. If the listing includes clear dimensions, thread type, and installation notes, I feel more comfortable choosing it.
Price vs. Value
I do not always choose the cheapest option. In my experience, a slightly better-made check valve can save me from replacing the part again too soon. I look for a balance between price, durability, and compatibility so I get the best value for my money.
What I Check Before Buying
Before I place an order, I usually confirm:
- My compressor model number
- Thread size and fitting style
- Material quality
- Customer reviews mentioning fit and durability
- Whether the valve includes seals or fittings
My Final Advice
If I am buying a Craftsman air compressor check valve, I focus on fit, build quality, and reliability first. A well-matched valve helps my compressor run smoothly and protects the pump from unnecessary wear. In my opinion, taking a few extra minutes to verify compatibility is always worth it.
Final Thoughts
In my experience, the Craftsman air compressor check valve is a small part that makes a big difference in how well the compressor performs. I’ve found that keeping it clean and replacing it when needed can help prevent pressure loss and starting problems. My key takeaway is that regular maintenance of this valve can extend the life of the compressor and keep it running smoothly.
Author Profile

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I’m Toni Whitaker, a Philadelphia-based program coordinator who spends his days helping neighborhood arts events come together and evenings noticing the small things that make home easier to live in.
Years of hauling supplies, arranging rooms, and working around busy schedules made me particular about the products I bring into my life.
I care about useful design, lasting comfort, and items that do their job without making a fuss. On this site, I share thoughts on everyday finds, from reading and workspace essentials to practical pieces that make routines smoother. I write with curiosity, honesty, and no patience for clutter.
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