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The Lisle 20250 Compression Tester is a durable, easy-to-use tool designed for quick and accurate compression testing on gasoline engines. Featuring a wide pressure range of 0-300 PSI (0-2100 kPa) and compatibility with both 14mm and 18mm spark plug threads, it delivers professional-grade diagnostics at a fraction of the cost. Perfect for mechanics and serious DIYers seeking reliable engine health insights with minimal hassle.
| ASIN | B0009OMYH4 |
| Best Sellers Rank | #37,946 in Automotive ( See Top 100 in Automotive ) #30 in Engine Compression Gauges #1,166 in Diagnostic, Test & Measurement Tools |
| Brand Name | Lisle |
| Customer Reviews | 4.5 4.5 out of 5 stars (146) |
| Global Trade Identification Number | 00083045202509 |
| Included Components | Tester |
| Item Dimensions | 14.5 x 4.75 x 2.75 inches |
| Item Type Name | Tools |
| Manufacturer | Lisle |
| Material Type | Plastic |
| UPC | 083045202509 |
| Unit Count | 1.0 Count |
| Warranty Description | Limited Lifetime |
T**H
Very accurate
Works perfectly and is just as accurate much cheaper as my snap on.
W**E
Ready to go right out the box, good quality and price
The item itself came with an attachment to allow for both testing compression of 14 and 18mm threading. I was able to quickly thread it in, get the measurement of compression, and move on to the next spark plug with no fuss. It is of sturdy build, easily readable, and feels like it will last. I just wish it came with a different way to store it after opening the packaging, it was wrapped with a (albeit a decent quality) rubber band.
M**K
Accurate Product, Great Value, Worked for me.
I recently had misfiring code displaced on my 2001 Honda Accord. I changed the spark plus and coiled, but this did not solve the issue. So I decided that I needed to check the compression on my cylinders to find out if I had a more serious engine problem. I bought this compression tester because it was American made and had a reasonable price. I tested all 4 cylinder compressions with this tool. All cylinders averaged 175 PSI or better. I tested each cylinder twice to ensure that the results were repeatable. So I now know that that compression is great on my car's engine and it is not the problem for the misfire. Though this hasn't solved my misfire problem it has eliminated a potential major problem. I would recommend this product to anyone who needs to do this test. This is a great product and a welcome addition to my tool library.
R**H
Easy to use and cheap
Easy to use. Seems consistent (same readings after same tests with same cylinder). No idea of overall accuracy, but it shows my cylinders within spec, so I’ll assume it’s good.
G**O
Great Quality
This is a quality tool and is a good value for the money. Well constructed and sturdy, it worked fine for me. With headers and all getting the threads started was a bit difficult on some of the cylinders but that is no reflection on the tool. The only thing that would be nice is if it came in a case to protect the tool. Other than that I am very happy with the tester! Thank Yiou!
V**Y
Comparing to Chinese this gauge shows much higher PSI
I find this gauge is more accurate then Chinese. This one shows 195-200PSI when Chinese shows 150-155PSI. I feel that this gauge is more accurate.
J**D
Great product
Worked graet
A**O
Totally The right compression tester to buy
Bought this lisle to verify questionable readings from a HFT gauge. The lisle gave a more believable reading. I believe you can trust the quality and reliability of this Lisle 20250
G**D
Really good cheap compression tester
C**.
Tengo muchas herramientas marca lisle y todas son buenas
C**E
Good to have a compression gauge that reads accurate i had another brand from Autobahn that read 40 psi low so i am happy to have a Lisle Gauge which reads correct and would recommend Lisle to anyone
S**S
Well built, has adapters I needed included.
C**A
Only used once so far but build quality looks good and works well
Trustpilot
3 weeks ago
1 day ago