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⛽ Diagnose Like a Pro, Drive with Confidence!
The DAYUAN Professional Petrol Engine Compression Tester Kit features an 8-piece adapter set with dual-scale 3" gauge (0-300 PSI / 0-20 Bar), reinforced rubber hose, and universal compatibility for cars and motorcycles. Designed for precision, durability, and ease of use, it’s a top-rated tool trusted by thousands for accurate engine compression diagnostics.













| ASIN | B08MVSJJZK |
| Best Sellers Rank | #5,368 in Automotive ( See Top 100 in Automotive ) #3 in Engine Compression Gauges |
| Brand | DAYUAN |
| Brand Name | DAYUAN |
| Customer Reviews | 4.5 out of 5 stars 3,014 Reviews |
| Included Components | Petrol Engine Compression Tester Kit |
| Item Dimensions | 12.2 x 8.27 x 2.36 inches |
| Item Highlight | 8 Pcs, 14mm & 18mm Adapters, Dual Scale Gauge, 0-300 PSI/0-20 Bar, Reinforced Rubber Hose, Universal for Cars Motorcycles Item Highlight 8 Pcs, 14mm & 18mm Adapters, Dual Scale Gauge, 0-300 PSI/0-20 Bar, Reinforced Rubber Hose, Universal for Cars Motorcycles See more |
| Item Weight | 0.77 kg |
| Item dimensions L x W x H | 12.2 x 8.27 x 2.36 inches |
| Manufacturer | Yinyuan Tools |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Model | YT-103242-Blue |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | YT-103242-Blue |
| UPC | 793345498228 |
| Warranty Description | 1 year |
O**Z
Good purchase
Worked perfectly it did the job. Feels like pretty good quality. It was easy to use, and it was easy to install into the spark plug hole and remove.
J**G
Dayuan compression tester
Good deal at the price,works well on sbc engine and seems pretty accurate.
J**R
Works perfect !!
Great value perfect compression tester kit, love the case for transporting and carrying
R**D
Great set for the price
Inexpensive, shipped quick, works perfectly. No complaints.
J**M
Easy to use several connectors did well
Not professional quality but good enough to diagnose engine issues for the backyard mechanic. Several fittings for different applications and one you hold over the spark plug opening if the others don't fit.
T**S
Good quality product, well packaged.
Good quality product for a small price. I used it once on my lawn mower engine and hope I never need it again; but I have it just in case. Well packaged for easy storage.
E**R
Worked well. Did the job. Price can't be beat.
Worth it. That simple. If you need diagnostics, it is worth finding out instead of guessing.
T**R
Low psi
Buyer beware. Right out of the box it was reading 15 psi lower than it should br. That’s the difference between a healthy engine, and a total rebuild.
D**R
Good useful Compression tester with plenty of extensions and adaptors included.
Really good compression tester. Was needed to test a bike’s compression. With all of the extensions and adaptors it works REALLY WELL.
R**U
一応測れるけど、、、誤差
本体は大丈夫 アタッチメントとホースがダメ 別の商品のアタッチメントつけるとキチンと測れた 漏れてるってことですね
N**O
consigliato per hobbisti
fa quello che deve
K**R
Works well
Good Kit
N**R
Cheap but very good and lots of adaptors
No complaints and the price is incredible. Works absolutely fine on a 2017 Mini 3 cylinder engine. This engine has a very narrow spark plug hole so I thought it might not fit but the selection of adaptors included one that did fit. It feels decent quality, maybe not super accurate at this price but as a ballpark and for comparing cylinders it's spot on. If you can remove spark plugs then you can use this, it's super simple. The case is handy to keep everything together and clean. Very happy wirh this item and arrived next day as promised.
Trustpilot
3 weeks ago
3 weeks ago