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Sierra Marine Digital Compression Testers

5.0 out of 5 stars 1 Customer Reviews

Sierra Marine digital compression testers are tools for testing compression on gasoline-powered engines, and they can store maximum compression value for up to 12 cylinders. The units display values in psi, Bar, and kPa on a backlit LCD monitor; each tester is sealed, vibration-protected, and features auto-shutoff. These digital compression tester tools will fit many outboard, inboard, PWC, ATV, and other recreational gasoline engines.

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Sierra Marine Digital Compression Testers 18-9900

Compression Tester, Digital 10mm/12mm/14mm/14mm Long/18mm, Thread, 0-300 Compression Range PSI, 2 1/2 Diameter, Kit

Part Number: RRA-18-9900

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

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