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The AZUNO Digital Compression Tester is a professional-grade automotive tool designed for precise petrol engine cylinder compression measurement up to 200 PSI. Featuring a high-resolution digital gauge, four versatile adapters, and a flexible 16-inch hose with quick coupler, it offers durability with brass and steel construction. Its smart backlit LCD and bleeder valve streamline repeated testing, all housed in a rugged case. Trusted by thousands with a 4.5-star rating and backed by a 1-year warranty, itโs the essential kit for mechanics and enthusiasts aiming for flawless engine performance.








| ASIN | B098LNQXXC |
| Best Sellers Rank | #5,348 in Automotive ( See Top 100 in Automotive ) #3 in Engine Compression Gauges #105 in Diagnostic, Test & Measurement Tools |
| Brand | AZUNO |
| Brand Name | AZUNO |
| Customer Reviews | 4.5 out of 5 stars 1,680 Reviews |
| Item Dimensions | 11.8 x 9.3 x 2.1 inches |
| Item Weight | 1 Pounds |
| Item dimensions L x W x H | 11.8 x 9.3 x 2.1 inches |
| Manufacturer | AZUNO |
| Material | Brass |
| Material Type | Brass |
| Number of Items | 1 |
| Part Number | AZUNO |
| UPC | 791334707986 |
| Warranty Description | Manufacturer warranty for One Year from day of purchase |
H**.
Great product
Works great and the extra fittings and the case are much appreciated. The gauge is easy to read, seems to be well built and the case is hard plastic to protect the components
A**D
Works as described
Does what it says, great price, delayed delivery
B**R
Good tool
Item is well built very easy to use and is accurate. The price is affordable.
C**S
Good tool
Pretty accurate. Compared with another more known brand and it was within 1 unit.
K**.
Clear screen, would recommend!
I received the item today. Immediately tried it on my 4stroke Mercury and it gave me accurate readings when comparing it to my buddies tester. The digital aspect is nice. Good for the money, I would recommend for anyone looking to replace and/or upgrade.
C**R
economy compression tester every car person should have
its a compression gauge... works great. comes with most the adapters you need and a nice hardcase. not sure how accurate it is, but i use it mostly to just compare that cylinders are even.
M**E
Accuracy? Not sure, but easy to use.
Easy to set up and use. Carrying case is nice to keep it organized and stored. Enough space to pull the batteries and keep loose in the clamshell to avoid battery leakage from lack of use.
J**H
Junk
Worked for a few months then quit for no reason, not abused either, batteries wernt puffy or leaking
C**Y
Works as Expected
Needed to run a compression test on a Land Rover engine. The compression tested worked as expected and gave consistent results. My only issue is the hose when stored in the case is bent in arc (so it fits). However, as it's stiff, when trying to screw into the cylinder head the curved hose makes it more difficult than it should be. Before use, suggest bending straight as possible and leaving out of the case overnight so that the hose is a straight as possible.
T**.
Great tool to have
Works really well. got it to test compression on old outboard motors and I am happy with it.
C**.
Great Bit of kit at bargain price.
Bought to test an engine on a new (old) motorbike project, to know where I stand before pulling it apart. Works great, and cannot believe how cheap these are! Worked extremely well, and was worth the price just for peace of mind. I have a similar product for diesel engines, which connects via the injector and it cost a lot more than this petrol one. Highly recommended.
D**E
Very nice peic
Works great. Very accurate. Lots of adaptors.
R**N
Compression gauge
Does the job it is intended for, works great, would recommend for any one looking for a compression gauge
Trustpilot
5 days ago
2 weeks ago