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🩺 Upgrade your stethoscope game—hear more, feel better, perform sharper.
The 3M Littmann Stethoscope Spare Parts Kit offers premium replacement components—adult and pediatric tunable diaphragms, snap-tight soft-sealing eartips, and a non-chill bell sleeve—designed exclusively for Classic III™, Cardiology IV™, and CORE Digital models. Engineered for superior acoustic performance and patient comfort, this kit ensures your stethoscope stays clinic-ready with effortless part swaps.


| ASIN | B004HFLWHY |
| Best Sellers Rank | #611 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Medical Stethoscope Parts |
| Brand | Littmann |
| Brand Name | Littmann |
| Color | Black |
| Customer Reviews | 4.8 out of 5 stars 13,821 Reviews |
| Global Trade Identification Number | 00707387773007, 00707387783969 |
| Manufacturer | 3M |
| Model Number | 7100137383 |
| Part Number | 7100137383 |
| UPC | 707387783969 |
| Unit Count | 1.0 Count |
P**O
A perfect replacement!
I purchased these replacement parts for a second hand Littmann Cardiology IV stethoscope to begin my nursing career and I am very impressed with the results. The parts were easy to install and fit perfectly, making the restoration process quick and straightforward. Once installed, the stethoscope looked noticeably better and performed like new. The replacement ear tips and other components significantly improved both the comfort and functionality of the stethoscope. Sound quality was clear and crisp, with excellent acoustic performance that made it easier to hear heart, lung, and bowel sounds. The refreshed parts also gave the stethoscope a more secure and professional feel during use. If you have an older or pre-owned Littmann Cardiology IV, these replacement parts are a cost effective way to extend its life and restore it to near original condition. They made my stethoscope function like a new stethoscope out of the box. I am very happy with this purchase.
A**G
Right product for my litman
Glad that Amazon carries the littman diaphragms. Mine had worn out and were cracked and this came with cartoon instructions that were very easy to follow. The old one came off and the new one went on nicely. It has a very nice fit and a good seal. And works perfectly. It came in in this Tupperware type package so when I used part of it and not all of the pieces I'm able to store them in my locker until I need the other ones.
E**Y
Fits
Fits my stethoscope perfectly
A**L
Perfect, easy, quick replacement diaphragms for my Cardiologist IV scope, great price
Perfect replacement. You likely already know this but this kit comes with both large and small diaphragms for the Cardiology IV (and III + others as well), as well as 2 replacement ear pieces, and a "non-chill bell sleeve". My scope was missing the large diaphragm for some reason, and while I didn't mind using the small/peds side, it was of course best to fix it. The large diaphragm was as easy to put on my scope as pushing the cap on a ketchup bottle. The edges of the diaphragm are soft and simply slide over the edge of the bell. Takes all of 3 seconds. The appearance is exactly as the original, because it is an OEM replacement after all. Functional, perfect size, all is well in my work world now.
J**L
Perfect fit for Cardiology II
These fits my old Cardiology II perfectly. It’s really old. Early 1990s. I had contacted Littmann but was told they no no longer support this model. Very happy to find these so I don’t have to buy a whole new Littmann.
C**E
Adecuado para Littman Cardiology III
Lo compre para mi Littman Cardiology III. Calza perfecto. Lo aclaro porque en la descripcion solo menciona el Cardiology IV y el Classic III
J**S
Hear me out
Littmann quality at its best
A**H
Great replacement parts
Works great. My bell piece came off and this replacement works perfectly.
M**S
Worth it.
Works as intended. Easy fix for a loose diaphragm, massively cutting down the artefact noises. Sure, a little pricey, but a replacement is much more expensive. Happy.
M**.
Pièce authentiquement pour remplacement
Pièce authentique pour le remplacement de la membrane du pavillon principal de mon cardiology iv. Tiens parfaitement en place et fonctionne très bien.
D**N
Perfect fit and original product
After 7 years of using littmann classic 3 I changed the diaphragm for the first time. I had seen multiple websites and mixed reviews mentioning fake products available online. But this product is upto the mark Perfect fit product. Satisfied with the quality
A**H
Perfect!
Lovely! So glad I got this. Saved me the hassle of buying a new stethoscope and fits so well. I highly recommend
C**N
Ottimo prodotto.
Tutto come da descrizione. Ottimo
Trustpilot
2 weeks ago
3 weeks ago