GODESON Air Tank Valve Kit with Gauge, Air Tank Repair Kit Come with 2" Pressure Gauge with 1/8"NPT, 4 Ft Air Hose with 1/4"NPT Connect and Brass Air Tank Manifold with 1/2" NPT to Air Tank…

Why I reached for this kit

My old portable air tank had become a nuisance: a slow hiss I could never quite locate, a sticky needle on the gauge, and fittings that needed constant persuasion to seal. Rather than junk a perfectly good tank, I picked up the Godeson air tank repair kit to give it a second life. It promised the essentials—a brass manifold with a 1/2" NPT tank connection, a 2" gauge with 1/8" NPT threads, and a 4-foot hose with a 1/4" NPT connection—without the fluff or a premium price tag. After installing and using it for a stretch of shop tasks, I came away impressed by how straightforward and serviceable it is, with a few caveats worth knowing before you start.

Setup and compatibility

Before anything else, check your tank’s port size. The manifold in this kit is threaded 1/2" NPT at the tank connection, which matched my tank. If you’ve got a different size, plan on using an adapter or sourcing a different manifold. The gauge and hose connections are standard pipe threads (1/8" NPT for the gauge, 1/4" NPT for the hose), which makes swapping components or integrating existing hardware simple.

One practical note: the kit doesn’t dictate a specific layout, so you can orient the manifold and fittings to suit your tank’s handle, footprint, or where you want the gauge to sit. That flexibility is great in practice—just dry-fit everything first to make sure the hose clears the handle and the gauge is readable at a glance.

Build quality and components

• Manifold: The brass block is the heart of the kit, and it looks and feels robust. The threads on my set were cleanly cut and consistent. Brass is a smart choice here: it resists corrosion and doesn’t seize like cheaper pot-metal fittings.
• Gauge: The 2" face is readable without squinting, and the needle returned cleanly to zero when depressurized. I prefer this size on a portable tank; it’s big enough to read across the shop but not so large that it’s exposed.
• Hose: The 4-foot length hits a sweet spot. It’s long enough to reach tires and tools without dragging the tank too close, but short enough to stow neatly. The threaded end is 1/4" NPT; I added my own quick-disconnect coupler, which threaded on without drama.

Nothing here feels flashy. It’s a straightforward set of service parts, and that’s exactly what an air tank wants.

Installation experience

Swapping out the old assembly took me about fifteen minutes, most of which was cleaning the tank port. Here’s the sequence that worked well for me:

1. Fully depressurize the tank and remove the old fittings.
2. Clean the tank threads thoroughly. I chased mine with a nylon brush and solvent to remove old sealant.
3. Apply thread sealant. I used two wraps of PTFE tape plus a light coat of pipe dope on top for the manifold-to-tank connection. On the smaller fittings, PTFE tape alone worked fine.
4. Assemble the manifold off the tank first so you can torque fittings comfortably, then thread the whole assembly into the tank.

I did encounter one minor annoyance: the gauge wanted to clock a few degrees off vertical when tightened to full seal. That’s typical with tapered pipe threads. Backing off a hair with fresh sealant got it aligned without leaks. A dab of thread sealant on the gauge threads made the difference between a faint bubble and a clean test.

Pro tip: do a soapy water test on every joint after pressurizing. If you see foam growing, tighten a quarter turn or redo the sealant. It’s faster than chasing a hiss by ear.

Performance in use

After the install, the tank held pressure overnight without any drop on the gauge. That’s the baseline I expect; anything less means a sealing issue somewhere. The manifold didn’t transmit any vibration or rattle, and the gauge needle stayed steady under cycling.

I checked the gauge’s reading against a handheld reference and found them to be in the same ballpark across the range I typically use for tires and general shop tasks. It’s not a lab instrument—and it doesn’t need to be—but it was predictable and repeatable, which matters more for day-to-day work.

The hose is flexible enough to coil without kinking and stiff enough to resist scuffing on concrete. I’ve stepped on it more than once in the shop without ill effect. Threading on my existing 1/4" NPT coupler was painless, and it sealed immediately with tape.

What I liked

• Straightforward, standard components. The NPT sizes are common, and that keeps you in control if you want to mix in your favorite gauge or coupler later.
• Solid brass manifold. It feels like a part you install and forget.
• Clean, readable gauge. The 2" face strikes the right balance for a portable tank.
• Practical hose length. Four feet keeps the tank out of the way without being a trip hazard.
• Value. Reviving a good tank with this kit is far more economical than buying new.

What could be better

• Sealing can be fiddly if you rush. Tapered pipe threads are unforgiving; you’ll need proper thread tape and/or pipe dope, and patience, to get every joint leak-free. I had to re-seat the gauge once to stop a tiny seep.
• No frills. There’s no extra hardware beyond the essentials. That’s fine for many setups, but if you expect a built-in quick coupler or additional ports, plan to add them yourself.
• Gauge alignment. Like most threaded gauges, alignment depends on where the taper seats. Be ready to adjust with sealant to get it plumb.

Durability so far

After regular use inflating tires, blowing off workpieces, and powering a few light pneumatic tools, everything has held up well. Threads show no galling, the gauge window remains clear, and the hose hasn’t developed flat spots. I haven’t seen any corrosion on the brass, even after a damp weekend in the garage. As with any air system, periodically recheck fittings—thermal cycling can loosen them over time—but mine have stayed tight.

Who this kit is for

• Anyone with a sound air tank whose fittings, gauge, or hose have aged out.
• DIYers who want to standardize on 1/4" NPT tool connections and a readable gauge.
• Shops that need a quick, clean refresh for a backup tank without spending on a new vessel.

If your tank uses a nonstandard port size, or you want a fully assembled head with extras like a built-in quick coupler or multiple outlets, you may want a different package—or plan on adding adapters and accessories.

Practical tips for a clean install

• Use both PTFE tape and a compatible pipe sealant on the manifold-to-tank joint for best results.
• Orient components before final tightening; mark your preferred gauge position with a Sharpie as a guide.
• Always leak-test with soapy water after first pressurizing.
• Protect the gauge: if your tank gets tossed in a truck, consider a guard or orient it behind the handle.

Final recommendation

I recommend the Godeson air tank repair kit for anyone looking to bring a tired portable air tank back into reliable service. It delivers the essentials with sensible materials, standard thread sizes, and a no-drama installation. You’ll want to take your time with thread sealing and alignment, but once everything is seated, it behaves exactly as a good air tank should: it seals, it reads clearly, and it gets out of your way.

For the cost of a few fittings and a short afternoon, my tank went from annoying to dependable. That’s an easy win in any shop.