Auto Cylinder Stethoscope Diagnostic Tool

Find the source of engine noise faster with this cylinder stethoscope diagnostic tool. It amplifies internal mechanical sounds so you can listen more clearly and diagnose problem areas with greater confidence.

Use the probe to contact the surface and pinpoint the loudest area on engines, transmissions, transfer cases, valve trains, and rear axles. The ear button helps reduce outside noise while rubber earbuds improve isolation during inspection.

Built with rubber, plastic, and stainless steel, it features an approximately 30 cm probe, about 3.3 mm probe diameter, 10 Hz-10 kHz detection frequency, and a lightweight 0.15 kg design. Package includes 1 engine analyzer.

Why You'll Want It

✅ Diagnose engine noise faster by amplifying internal mechanical sounds.

✅ Pinpoint faulty parts more accurately by probing the loudest contact area.

✅ Hear abnormal sounds more clearly with reduced outside noise interference.

✅ Inspect more systems confidently, including transmission, valve train, and rear axle.

✅ Work more comfortably during longer checks with rubber earbuds.

✅ Use it more safely in the workshop thanks to the shockproof handle.

Designed for tracing mechanical noise at the source.

Probe placement helps isolate the loudest problem area.

Rubber earbuds improve listening focus during diagnosis.

Lightweight build is easier to handle during inspections.

Shockproof handle supports steadier workshop use.

Long probe reaches contact points more easily.

Suitable for checking multiple automotive systems.

Narrow probe tip supports precise contact placement.

Built to help identify worn internal components.

Useful for engine and drivetrain troubleshooting.

Contact diagnosis helps compare different noise points.

Ear button helps limit surrounding shop noise.

Made for listening to abnormal mechanical sounds.

Compact form stores easily between repair jobs.

Works for washers, pulleys, gears, valves, and pumps.

Simple setup gets you listening without delay.

Track down abnormal engine noise with more confidence today.