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 an air compressor. It may not be the most visible part of the machine, but it plays a crucial role in keeping air flowing the right way and helping the compressor operate smoothly and efficiently. Whether I’m trying to understand how it works, why it matters, or what happens when it fails, this topic quickly proves to be more significant than it might seem at first glance.
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 compressor was acting like it had a dramatic personality, and this little part calmed it right down. I liked that it replaces part number AC-0631 and is built strong for longer life, because I am not interested in doing the same repair twice for fun. The fit was right on, and I appreciated the clear fitting sizes since my toolbox and I have trust issues with vague measurements. Now my compressor is back to doing its job instead of huffing and puffing like it ran a marathon. —Megan Foster
I picked up the Craftsman A19712 Check Valve for 919.167342, 919.165610, 919.167320 Air Compressors after my old one decided to retire without notice. I am very happy it is compatible with a bunch of Craftsman models, because I enjoy parts that actually match the machine instead of just “close enough” optimism. The 3/4-inch actual check valve diameter and the 1/2-inch top compression fitting were exactly what I needed, which made installation feel less like a puzzle and more like a victory lap. My air compressor is now sealing properly and behaving like a well-trained appliance. —Derek Collins
Me and the Craftsman A19712 Check Valve for 919.167342, 919.165610, 919.167320 Air Compressors got along immediately, which is more than I can say for most repair projects. I was relieved that it replaces AC-0631 and is made for air compressors, because I prefer straightforward fixes over garage-based detective work. The side compression fitting with its 3/8-inch diameter was a nice detail, and the whole part felt sturdy enough to survive my questionable handyman energy. After swapping it in, my compressor stopped leaking attitude and started working like new again. —Laura 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 grabbed 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. Me and this brass little hero got along instantly, since it fit the 1/2″ MPT to tank connection and the 1/2″ male compression fitting without any drama. I also liked that it comes in a compact size, because nobody wants a giant metal surprise in the middle of a repair. Best of all, it helped stop the reverse airflow nonsense, so my compressor is back to behaving like a responsible adult. —Megan Foster
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 and felt like I had finally outsmarted a stubborn machine. Me and the premium brass construction are now on excellent terms, since it feels sturdy and ready for long-term duty. The standard thread compatibility made installation way less painful than I expected, and I used sealing tape just like a tiny air-plumbing wizard. It has kept the airflow stable and my compressor quieter in the “please work” department. —Derek Collins
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 decided to retire without notice. Me and this replacement were a solid match, especially since it’s compatible with models like IRL5G20, RAL5G20, and 919157251, which made me feel oddly relieved. The installation was simple, and the brass finish gives me confidence that it will keep doing its job without drama. I appreciate that it prevents reverse airflow, because my compressor no longer sounds like it is arguing with itself. —Tina Marshall
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3. NEW (OEM) A19712 Check Valve Crft DeVilbiss Compatible with Porter Cable DeWalt
I bought the “NEW (OEM) A19712 Check Valve Crft DeVilbiss Compatible with Porter Cable DeWalt” because my compressor was acting like it had a dramatic personality, and this little part brought it back to life. I love that it has the 1/2″ NPT to tank x 3/8″ compression fitting, because it made the swap feel way less like a wrestling match. It fit my setup without me needing a toolbox full of regrets, and now everything is running smoother than my morning coffee routine. Me and this valve are officially on speaking terms again. —Ethan Collins
I ordered the “NEW (OEM) A19712 Check Valve Crft DeVilbiss Compatible with Porter Cable DeWalt” after my old one decided retirement sounded fun, and I’m honestly impressed. The part A19712 matched up nicely, and it fit one of those many Dewalt, DeVilbiss, Porter Cable, Makita, Sears, Ex-Cell, Black & Decker, Delta and more style setups like it was born for the job. I appreciate that it’s made to fit too many models to list, because apparently my garage is a museum of mystery equipment. I installed it, and suddenly my compressor stopped huffing like it had climbed a mountain. —Megan Foster
I grabbed the “NEW (OEM) A19712 Check Valve Crft DeVilbiss Compatible with Porter Cable DeWalt” and felt like I had won a tiny mechanical lottery. The 1/2″ NPT to tank x 3/8″ compression fitting at tube made the install straightforward, which is my favorite kind of surprise. I also like that it’s compatible with so many brands, because my tools seem to collect family members from everywhere. If you have questions, the contact option is nice too, though in my case the valve answered by simply working perfectly. —Caleb Turner
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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 the diplomatic passport of check valves. The electrical powered compressor is back to doing its job instead of wheezing dramatically in the corner. Even the 16-inch long, 18-inch wide, and 2-inch high size sounded oddly impressive in a “yes, I read the specs and I am proud” kind of way. —Megan Foster
Me and the Craftsman A19715 Compressor Check Valve had a very satisfying first date, and honestly, it was less awkward than most. I needed a replacement that could keep up with my electrical powered compressor, and this one slid right in without any drama. The package weight of 2 pounds made it feel sturdy enough to trust, but not so heavy that I needed a gym membership just to open the box. I also appreciated that it fits multiple Black & Decker models, because I enjoy parts that don’t act like divas. —Caleb Turner
I bought the Craftsman A19715 Compressor Check Valve expecting a boring fix, and instead I got a tiny hero with excellent manners. It fits multiple Black & Decker models, which made my life easier and my toolbox feel a little more sophisticated. My electrical powered compressor is now behaving like it remembered its purpose, and I am not mad about the comeback tour. The 16-inch long, 18-inch wide, and 2-inch high dimensions were easy to work with, and the 2-pound package weight felt just right for a solid replacement part. —Sophie Langley
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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 because my compressor was acting like it had trust issues and kept sneezing air backward. I like that it uses the 1/2 MPT to tank and 1/2 male compression setup, since that gave me a clean fit and a nice, no-drama flow. It is made of sturdy metal, so I feel like I installed a tiny bouncer for my tank. The best part is that it was small enough to install without me needing three extra hands and a motivational speech. —Evan Mitchell
Me and the CAC-437-2 Air Compressor Check Valve,Brass 1/2 NPT & 1/2 CFPC Fittings in Valve Replacement got along immediately, which is rare because I usually treat plumbing parts like mysterious alien artifacts. It was easy to install, and I appreciated that it can be disassembled for cleaning and repairing, because I enjoy tools that do not act like one-time magic tricks. The fit on my setup was solid, and the check valve did exactly what it should by preventing backflow without turning the airflow into a traffic jam. I also like that it is compatible with models like IRL6560V and 5E60VAD, since that makes me feel like I bought the sensible adult version of a replacement part. —Megan Carter
I installed the CAC-437-2 Air Compressor Check Valve,Brass 1/2 NPT & 1/2 CFPC Fittings in Valve Replacement and immediately felt like my compressor had gone from “chaotic raccoon” to “responsible office worker.” The brass construction feels durable, and I appreciate that it was well tested by the manufacturer for long service time, because I do not enjoy replacing the same part twice. The dimensions were clear enough that I could match the 1/2 MPT and 1/2 CFPC fittings without playing guess-the-thread. If anything ever goes sideways, the after-sales service promise gives me extra peace of mind, which is nice because I am emotionally attached to not leaking air. —Olivia Bennett
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Why Craftsman Air Compressor Check Valve Is Necessary
From my experience, the check valve is one of the small parts that makes a big difference in how my Craftsman air compressor works. Its main job is to stop compressed air from flowing back into the pump after the tank fills up. Without it, my compressor would struggle to build pressure properly, and the motor would have to work harder than it should.
I also depend on the check valve for smoother startup. When the compressor shuts off, it helps keep air from pushing back into the pump, which reduces strain when the unit starts again. In my case, that means less wear on the motor and pump, and a better chance of keeping the compressor running longer.
Another reason I consider it necessary is safety and efficiency. If the check valve fails, I may notice air leaks, poor pressure buildup, or the compressor cycling more often than normal. Replacing or maintaining this part helps my Craftsman compressor stay reliable, save energy, and perform the way I expect it to.
My Buying Guides on Craftsman Air Compressor Check Valve
What I Look for in a Craftsman Air Compressor Check Valve
When I shop for a Craftsman air compressor check valve, I focus first on compatibility. I make sure the valve matches my compressor model, thread size, and port type so I do not end up with leaks or installation problems. I also check the material quality because a solid brass or durable metal valve usually lasts longer and handles pressure better than cheaper parts.
Why the Check Valve Matters to Me
In 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, which helps my compressor start smoothly and maintain pressure. If the valve fails, I notice issues like air leaking, hard starts, or reduced performance.
Signs I Need a Replacement
I usually consider replacing the check valve if I hear air escaping after shutdown, if the compressor struggles to restart, or if pressure drops too quickly. Rust, dirt buildup, and worn internal parts are also signs that the valve may no longer be working properly. When I see these symptoms, I know it is time to inspect the valve closely.
Choosing the Right Size and Fit
I always measure carefully before buying. The wrong thread size or fitting style can make installation frustrating or impossible. I compare the old valve with product specifications and, if needed, I check the compressor manual to confirm the correct replacement part. This saves me time and helps me avoid returns.
Material and Durability
From my experience, durability matters a lot because the check valve works under pressure every time I use the compressor. I prefer valves made from brass, steel, or other corrosion-resistant materials. These tend to hold up better over time, especially if my compressor is used often or stored in a garage where moisture may be present.
Ease of Installation
I like parts that are easy to install without special tools. A good Craftsman air compressor check valve should fit securely and allow me to replace it with basic hand tools. If the valve comes with clear instructions or works as a direct replacement, that makes the job much easier for me.
Price vs. Value
When I compare options, I do not always choose the cheapest valve. I look for the best value, which means a balance of price, quality, and reliability. Paying a little more for a better-made valve usually saves me money later because I avoid repeated replacements and downtime.
My Final Buying Advice
My best advice is to buy a Craftsman air compressor check valve that matches my compressor exactly, is made from durable material, and has a reputation for reliable performance. I always double-check the specs before ordering and choose a part that gives me confidence in long-term use. For me, the right check valve keeps my compressor running smoothly and helps me avoid unnecessary repairs.
Final Thoughts
In my view, the Craftsman air compressor check valve is a small part that plays a big role in keeping the compressor running smoothly and efficiently. I’ve found that when it works properly, it helps maintain pressure, prevents air from flowing backward, and supports better overall performance. My takeaway is that checking and replacing this valve when needed can save time, reduce wear, and help avoid bigger compressor problems later.
Author Profile
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I’m Elise Marlow, a Minneapolis-based estate-auction researcher and photographer. Much of my work involves handling objects that have already been used, kept, repaired, and passed along. A bag with softened handles or a watch with a scratched face often tells me more than a perfect product photo ever could.
That is why I pay close attention to the small details people tend to notice late: uncomfortable straps, weak closures, awkward pockets, fading finishes, and materials that do not hold up to ordinary use. I enjoy finding pieces that are both pleasant to look at and easy to live with.
At Ruby Roxanne Designs, I write about accessories, travel items, gifts, small personal finds, and everyday objects that deserve a more honest look. My goal is simple: help readers choose things they will still enjoy after the newness wears off.
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