Does this work for the cardiology IV?

Yes. All current Littmann stethoscopes (with the exception of electronic models) have similar components. The Cardiology IV has a 1.3 inch (3.3 cm) bell and a 1.7 inch (4.3 cm) chestpiece. The Classic III, which I purchased, has identical dimensions. Both share the same double-sided turnable diaphragms, such as this replacement kit contains.

Will this fit cardiology model 3 purchased around 2003?

Hello - thank you for your question. Unfortunately, this spare parts kit will not fit that model. Please connect with our team at 1-800-228-3957 (Monday – Friday 7:30 AM – 6 PM CST) and they will be able to assist with providing the correct model number. We look forward to speaking with you soon.

What is the diameter of each of the diaphragms?

Hi Julia! The Classic III Stethoscope has a double-sided tunable chestpiece. The approximate chestpiece diameters are: Adult side 1.7"/4.3cm Pediatric side 1.4"/3.4cm Let us know if you have additional questions!

buenas tardes sera compatible con classic ii y con classic ii se

Debe obtener el repuesto para classic II

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Stethoscope Spare Parts Kit – Gray, Compatible with Classic III™, Cardiology IV™, CORE Digital, Includes Eartips, Adult & Pediatric Diaphragms, Non-Chill Bell Sleeve, 40017

Stethoscope Spare Parts Kit – Gray, Compatible with Classic III™, Cardiology IV™, CORE Digital, Includes Eartips, Adult & Pediatric Diaphragms, Non-Chill Bell Sleeve, 40017

Product ID: 18731733

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🎧Snap-tight soft-sealing eartips for ultimate comfort

🩺Tunable diaphragms for adult & pediatric precision

🛡️Non-chill bell sleeve ensures patient comfort

Description

🩺 Upgrade your diagnostic edge—comfort and precision in one kit!

ALL IN ONE CONVENIENCE - A complete replacement kit that keeps your stethoscope performing like new—because your practice deserves reliability.
PATIENT CENTRIC DESIGN - Non-chill bell sleeve keeps patients comfortable, eliminating that dreaded cold metal touch.
COMFORT MEETS DURABILITY - Snap-tight soft-sealing eartips provide a secure, noise-isolating fit that professionals demand during long shifts.
DUAL DIAPHRAGM VERSATILITY - Includes tunable diaphragms for both adult and pediatric use, empowering you to handle any patient with confidence.
PRECISION FIT FOR TOP MODELS - Exclusively compatible with Classic III™, Cardiology IV™, and CORE Digital stethoscopes—no guesswork, just perfect fit.

The 3M Littmann Stethoscope Spare Parts Kit is a comprehensive replacement set designed exclusively for Classic III™, Cardiology IV™, and CORE Digital stethoscopes. It includes tunable adult and pediatric diaphragms, snap-tight soft-sealing eartips, and a non-chill bell sleeve, ensuring optimal acoustic performance, patient comfort, and professional reliability in one convenient package.

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