Everything you need to bring a Bose QuietComfort Ultra back to charging: a genuine USB-C and AUX port board plus the three tools our techs use for this exact repair. No more wiggling the cable and hoping.
- Brand: Bose
- Condition: Grade A – Excellent
- Fits Models: Bose QuietComfort Ultra Headphones (1st Gen, 2023), model 440108
- Part Number: 878937-0010 / 878937-0020
Key Features:
- Genuine Bose OEM USB-C charging port and 2.5mm AUX input board
- Grade A (9.5/10): tested working board with little to no cosmetic wear
- Fixes no charging, loose USB-C connection, intermittent charging and no audio through the AUX cable
- Includes the exact tools our repair techs use on this job
- Plug in replacement with a flex connection, no soldering required
Compatibility:
- Bose QuietComfort Ultra Headphones (1st Gen, 2023), model 440108
- Find your model by pulling down the left ear cushion mesh. You will see QC Ultra and 440108 printed on the housing.
Not compatible with: QuietComfort Headphones, QuietComfort 45, QuietComfort 35 / 35 II, Noise Cancelling Headphones 700 or any QC Ultra Earbuds. Fit in the QuietComfort Ultra Headphones (2nd Gen, 2025) has not been verified.
What’s Included:
- 1 x Bose QuietComfort Ultra USB-C + AUX Port Board
- 1 x Nylon Spudger
- 1 x 2.0mm Phillips Precision Screwdriver
- 1 x Strong Metal Pry Tool
Installation Notes:
- Difficulty: Moderate
- Soldering: Not required
- Use the metal pry tool and nylon spudger to release the ear cup clips, then the 2.0mm Phillips to remove the board screws
- Work slowly around the flex cables to avoid damage
- Watch our step by step video below before you start
How To Replace The Bose QC Ultra Charging Port:
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