923-03934 Apple Input and Output Board USB-C MacBook Air A2179 A2337 I/O Card Port Dual Thunderbolt Charging Daughterboard

923-03934 Apple MacBook Air 13" A2179 A2337 USB-C I/O Power Board Module Tested

Up for sale is an Apple MacBook Air 13-inch USB-C I/O daughterboard module, part number 923-03934. Features dual Thunderbolt / USB 4 ports on flex interconnect. Fully bench-tested, charging and data throughput verified, and pulled from a clean environment.

ITEM SPECIFICATIONS: 

Brand: Apple 

Main Part Number (MPN): 923-03934 

Alternate Part Numbers: 821-02788-A, 821-02788, 821-01658-A 

Compatible Models: Apple MacBook Air 13" A2179 (2020), A2337 M1 (2020) 

Component Type: USB-C I/O Daughterboard / Charging Port Module 

Key Specifications: Dual USB-C / Thunderbolt Ports / Power Delivery Support / Ribbon Cable Interface

KEY FEATURES & HIGHLIGHTS:

• Factory original alignment and fitment guarantee for seamless drop-in installation.

• Dual USB-C port interface supporting high-speed data transmission and fast charging power delivery.

• Restores loose, burnt, liquid-damaged, or intermittent charging port connections.

• Clean contact pins with solid solder joints and undamaged ribbon cable connectors.

WHAT IS INCLUDED: 

(1) Apple 923-03934 USB-C I/O Board Module

QUALITY ASSURANCE & SHIPPING: 

Tested: Bench-tested with live power delivery and data transfer tools to verify steady voltage pass-through and connection stability before listing. 

Packaging: Encased in an anti-static ESD bag and bubble wrap inside a rigid box to prevent pin damage during transit.

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