How to read the inscription
In an inscription such as OO9343-··· 45□·· 121, each part has a purpose:
All Oakley replacement lenses →
Restore your M2 Frame XL with an original one-piece Oakley shield lens, made for the OO9343 model.
The inscription on the inside of the arm lets you confirm the model and exact lens measurement without visually comparing frames.
In an inscription such as OO9343-··· 45□·· 121, each part has a purpose:
The OO9343 uses a one-piece shield lens. This original shield keeps the shape, thickness and fit defined for the model; you only need to confirm that the reference and size match.
We work with original replacement parts and help you confirm the model and lens size to reduce mistakes before we prepare your order.
ReplacementLenses has been a certified EssilorLuxottica distributor since 2018.
Oakley shield lens with the original markings of the variant.
We explain where to find OO9343 and how to tell the 45 mm lens sizes apart.
Coverage against manufacturing defects and after-sales support.
This model has a specific guide because its one-piece shield lens is changed in a particular way.
OAKLEY 9343 – M2 FRAME XL Original Replacement Lenses. Enhance your sunglasses with lenses that deliver top-tier performance and extreme durability. These lenses rejuvenate the look and functionality of your Oakleys, ensuring you’re ready for any outdoor challenge.
Ensure these lenses fit your sunglasses by checking the model and size number on your Oakley’s arm. This guarantees a perfect fit for unmatched performance.
To install, simply slide out the old lenses and snap the new ones in place by pressing firmly. No special tools required, easily done from home.
We recommend cleaning lenses with lukewarm water and a microfiber cloth. We offer a 3-year warranty against manufacturing defects (this warranty does not cover scratches or abrasions caused by use).

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Yes: it is for the complete original Oakley shield lens, which is a single piece.
Yes. You can choose another available variant as long as you select the OO9343 model and the exact lens size of your frame.
No. Shape doesn't determine compatibility: these lenses are only for reference OO9343 and the lens size you choose.
Your review of Oakley OO9343 M2 Frame XL