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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 | #5,438 in Automotive ( See Top 100 in Automotive ) #4 in Engine Compression Gauges #112 in Diagnostic, Test & Measurement Tools |
| Brand | AZUNO |
| Brand Name | AZUNO |
| Customer Reviews | 4.5 out of 5 stars 1,658 Reviews |
| Item Dimensions | 11.8 x 9.3 x 2.1 inches |
| Item Weight | 16 ounces |
| 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.
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**H
Easy set up and use
Easy setup has good instructions 4 different hole sizes for block. No issues readings steady and easy on and off
J**H
Junk
Worked for a few months then quit for no reason, not abused either, batteries wernt puffy or leaking
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.
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.
D**E
Very nice peic
Works great. Very accurate. Lots of adaptors.
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.
C**Y
Decent quality
Seems to be of good quality for the price and works fine.
C**J
Confirmed what I was looking for
Worked great to determine my engine was not creating any compression pressure.
Trustpilot
3 weeks ago
3 weeks ago