Check cylinder compression with this Cylinder Compression Tester Set with quick coupling and release valve. Includes adapters to fit 10mm, 12mm, 14mm, and 18mm spark plug holes.
Key Features
• Cylinder compression tester set
• Quick coupling with release valve
• Adapters: 10mm, 12mm, 14mm, 18mm spark plug holes
Part Number: 35-9030
Free ground shipping over $50
To the USA & Canada. In-stock orders usually ship from our own warehouse the same or next business day.
| Destination | Delivery time |
|---|---|
| USA | 4–7 business days |
| Canada | 2–6 business days |
Ground shipping includes tracking, emailed when your order ships. Need it sooner? Express options are available at checkout.
60-day returns on eligible parts
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Outside the USA & Canada: Delivery times vary by destination and shipping method. Buyers are responsible for applicable duties, taxes and import fees. We cannot mark orders as gifts.
Frequently Asked Questions
Which spark-plug thread sizes fit the compression tester?
Adapters are included for 10mm, 12mm, 14mm and 18mm spark-plug holes.
What do the quick coupling and release valve do?
The quick coupling speeds adapter changes, and the release valve vents stored pressure before the next test.
What does a compression test help evaluate?
It compares cylinder sealing and can help identify a cylinder that differs significantly from the others.