How to Clean a Trumpet Mouthpiece
Updated Nov 11, 2026 · By 
Jonah Mercer · Editorial policy
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To clean a trumpet mouthpiece, pull it out of the trumpet, rinse it under running water, wash it with mild soap and a soft cloth, rinse again and dry it fully before sliding it back in. Clean it when you see buildup in the cup or shank, and follow the care instructions from the maker for your mouthpiece.
Remove the mouthpiece from the trumpet
Hold the trumpet steady and pull the mouthpiece straight out of the receiver. Do not twist it hard or force it, since forcing a stuck mouthpiece can damage the receiver. If the mouthpiece will not move, leave it in place and ask a repair shop to remove it.
Rinse the mouthpiece under running water
Hold the mouthpiece under running water and let the water run through the shank and around the cup and rim. Rinse the outside as well, so dust and residue wash off the finish. Shake the water out gently and look inside the cup and shank for buildup that needs washing.
Wash it with mild soap and a soft cloth
Work the cloth around the rim and the outside of the shank, and rinse again so no soap stays on the mouthpiece. If the maker lists its own cleaner for the mouthpiece, use that cleaner instead of soap and follow the instructions that come with it.
Dry the mouthpiece fully before storing it
Dry the mouthpiece with a soft dry cloth, then let it air dry with the cup facing down so water drains out of the shank. Do not put a wet mouthpiece back in the case or the trumpet, since trapped moisture leaves residue and dulls the finish over time. Store the dry mouthpiece in the case or in a clean, dry place.
Wipe the receiver and slide the mouthpiece back in
Wipe the inside of the receiver on the trumpet with a soft dry cloth to clear dust before the mouthpiece goes back in. Slide the mouthpiece into the receiver with a gentle push until it sits snug, and do not force it. If the mouthpiece wobbles or sticks, ask a repair shop to check the fit rather than forcing it.
What you need
Eastar ETR-390 Standard B Flat Trumpet
A B flat trumpet with a 7C mouthpiece and a cleaning kit in the box, with a lacquer finish and a 12-month warranty.
- Case or gig bag included
- Mouthpiece included
- Key: Bb
- Finish: Lacquer
- Valves: Stainless Steel
- 12-month warranty stated
EASTROCK Bb Trumpet Standard Trumpet Set
A B flat trumpet set with a silver-plated 7C mouthpiece, a tuning rod, gloves and a hard case, with a black nickel finish.
- Case or gig bag included
- Mouthpiece included
- Key: Bb
- Finish: Black Nickel
- 1-year warranty stated
Glory Bb Trumpet
A red B flat trumpet with a painted finish, sold with a case and a pair of gloves.
- Case or gig bag included
- Key: Bb
- Finish: Painted
PAMPET Plastic Bb Trumpet Standard Trumpet Set
A black plastic B flat trumpet set with 3C and 7C mouthpieces and a 1-year warranty.
- Mouthpiece included
- Key: Bb
- Finish: Lacquered
- 1-year warranty stated
These come from our ranked list Best Trumpet, which compares them spec by spec.
Frequently asked questions
Can I use soap on a trumpet mouthpiece?
Yes. If the maker lists its own cleaner, use that cleaner instead and follow the instructions that come with it.
How often should I clean a trumpet mouthpiece?
Clean it when you see buildup in the cup or shank, when the finish looks dull, or after playing that leaves moisture in the mouthpiece. A mouthpiece that looks clean and dry needs no washing yet.
What should I do if the mouthpiece is stuck?
Do not force it or twist it hard, since forcing a stuck mouthpiece can damage the receiver. Leave it in place and ask a repair shop to remove it.
Ranked trumpets lists
More how-to guides
Product details come from each Amazon listing and can change. Check the listing before you buy.