What each code means
In an inscription such as RB4423D 6450 66□·· 145 you'll find these five details:
Refresh your Ray-Ban RB4423D glasses with a pair of original arms, with the finish matching the selected color.
The RB4423D uses original Injected arms with the Ray-Ban logo. Before you buy, check the model, color code and length on the inside inscription.
Read the inscription on the inside of your own frame to correctly identify each code.
In an inscription such as RB4423D 6450 66□·· 145 you'll find these five details:
Follow the visual guide and make the swap step by step.
That's why we show you how to check the model, color and length, list what's included in the pair and clearly state that screws are not included.
ReplacementLenses has been a certified EssilorLuxottica distributor since 2018.
Right and left Ray-Ban arm with original logo.
Clear check of the color code and the 145 mm length.
Coverage against manufacturing defects and specialist support.
The Original Ray-Ban 4423D Replacement Arms are the perfect accessory for your Ray-Ban glasses. Meticulously designed with a length of 145 mm, these arms provide a comfortable and secure fit. They are available in a variety of stylish colors:
Manufactured by the iconic brand Ray-Ban, model 4423D, these arms are made with high-quality injected material ensuring durability and strength. The square shape of the glasses adds a modern and sophisticated touch to your daily look. By buying them, you ensure that your Ray-Ban glasses maintain their originality and unmatched quality.
Whether you need a replacement or want to change the style of your glasses, the Original Ray-Ban 4423D Replacement Arms are the ideal choice. With premium materials and ergonomic design, they offer supreme comfort all day long. Moreover, their installation is quick and easy, allowing you to resume your activities without delay.

We only show reviews for this product. If you've already bought it, tell us how the fit, color and installation went.
The price is for a complete pair: original Ray-Ban right and left arms.
The length usually appears at the end of the inscription on the inside of the arm. Select the same measurement shown on your current frame.
No. Screws are offered as an optional add-on because many frames allow you to reuse the existing ones.
Original replacement arms may use a different manufacturing number, even though their shape, size, color and compatibility match the RB4423D.
You can, but we recommend selecting the frame's color code to keep a uniform finish.
Your review of Ray-Ban RB4423D