1pc Auto Cylinder Stethoscope Mechanics Stethoscope Car Engine Block Diagnostic Automotive Hearing Tool Automotive Diagnostic Tools

Hear what your engine is saying. This Automotive Stethoscope isolates and amplifies internal noises so you can accurately locate knocks, ticks, squeals and rattles from the cylinder head, valves, injectors, bearings, water pump, alternator, pulleys, gearbox and more. A must-have for mechanics, DIYers and mobile technicians.

Product Details

Type: Mechanics stethoscope / automotive diagnostic listening tool

Materials: Stainless-steel probe, PVC/rubber acoustic tubing, steel frame, ABS parts

Colors: Black & silver (as pictured)

Approx. Size:

Long probe: ~22 cm (8.66 in)

Short probe: ~9.5 cm (3.74 in)

Flexible tube length: standard mechanic size (comfortable reach)

Weight: Lightweight, easy to carry in a toolbox

Use For: Cars, SUVs, trucks, bikes, generators, industrial equipment

How to Use

Select long or short probe and insert into the handle.

Place eartips in ears; hold the probe tip firmly on the suspected component.

With the engine idling or component operating, listen for clear changes in sound.

Compare different points (left/right, front/rear) to isolate the fault.

Safety Tips: Keep hands, clothing and probe away from moving belts/fans. Use protective gear and do not touch hot parts.

Why You’ll Love It

Cuts diagnosis time—find the exact source of knocks & squeals

Saves money by confirming the faulty part before replacing

Compact, durable and workshop-ready—no charging required

Specifications

Category: Automotive Diagnostic Tools

Function: Acoustic detection of mechanical faults

Power: None (manual/mechanical)