Lid Angle Sensor (LAS) Cable for MacBook Air 13″ A3240 2025 Genuine OEM

Product Description

The MacBook Air A3240 2025 Lid Angle Sensor (LAS) Cable is a Genuine OEM replacement flex cable designed for the 13.6-inch MacBook Air M4 (2025). It is compatible with model A3240, Mac16,12, and EMC 8781.

This MacBook Air A3240 LAS Cable is part of the lid-angle sensing system that detects the position of the display lid. A faulty or damaged LAS cable can affect lid-angle detection and related sleep/wake behavior.

The commonly referenced Apple part number is 661-50109, with PPN 821-05040-A also listed for this component.

Compatible Models

• Apple MacBook Air 13.6-inch A3240
• MacBook Air M4 2025
• MacBookAir16,12 / Mac16,12
• EMC 8781
• Early 2025 MacBook Air 13-inch

Compatible Part Numbers

• 661-50109
• 821-05040-A
• 821-05040-03

Product Details

• Product Type: Lid Angle Sensor (LAS) Flex Cable
• Compatible Brand: Apple
• Compatible Model: MacBook Air A3240
• Screen Size: 13.6 inches
• Generation: 2025
• Processor: Apple M4
• Model Identifier: Mac16,12
• EMC: 8781
• Part Number: 661-50109
• PPN: 821-05040-A
• Condition: Genuine OEM Replacement Part

Warranty Details

Warranty: 1 Month Warranty
Warranty Service Type: Replacement Warranty
Warranty Type: Seller Warranty

Important Note:-

• Please verify your exact MacBook Air model as A3240 before ordering.
• This cable is designed for the 2025 MacBook Air 13.6-inch A3240 M4. Do not order based only on the 13-inch screen size.
• Compare the original cable’s part number, connector, routing, and physical design before purchase.
• Common identification numbers are 661-50109 and 821-05040-A.
• Some replacement LAS cables may require calibration or repair procedures depending on the part and service method. Confirm the exact condition of the supplied cable before installation.
• This product is the Lid Angle Sensor cable only. Display, display cable, logic board, and other components are not included unless specifically stated.
• Professional installation is strongly recommended because the display assembly and sensor cable are delicate.
• Product images are for reference only. Actual markings and appearance may vary.
• Warranty does not cover physical damage, torn flex cables, broken connectors, incorrect installation, liquid damage, or modification.
• If the product is found to be out of stock after ordering, the payment will be refunded.
• Functionality-related problems reported within the warranty period are eligible for replacement according to warranty terms.

FAQs

1. Is this LAS cable compatible with MacBook Air A3240?

Yes. It is designed for the 13.6-inch MacBook Air A3240 M4 2025.

2. What is the Apple part number?

The commonly listed Apple part number is 661-50109. The corresponding PPN is 821-05040-A.

3. What does the Lid Angle Sensor cable do?

The LAS cable is part of the system that detects the position or angle of the MacBook display lid, supporting related display-position and sleep/wake functions.

4. Is this cable for the M4 MacBook Air?

Yes. The A3240 corresponds to the 13.6-inch MacBook Air M4 released in 2025.

5. Does this product include the complete display assembly?

No. This is the Lid Angle Sensor (LAS) flex cable only. The display assembly and other components are not included unless specifically mentioned.