What each code means
In an inscription such as RB4421D 6677 56□·· 145 you'll find these five details:
Refresh your Ray-Ban RB4421D glasses with a pair of original arms, with the finish matching the selected color.
The RB4421D 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 RB4421D 6677 56□·· 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.
Original Ray-Ban 4421D Replacement Arms – The perfect solution for renewing your Ray-Ban glasses. These replacement arms are specifically designed for the 4421D model, ensuring precise fit and optimal comfort. With a length of 145mm, these arms maintain the stability and distinctive style of Ray-Ban. Available in versatile colors like BLACK, ALGAE GREEN, WHITE, and TRANSPARENT LIGHT BEIGE, you can customize your glasses to your liking. Made from injected material, they combine durability with lightness. Their ‘Pillow’ design offers a unique and comfortable aesthetic. Being an original replacement, they ensure the extension of your favorite glasses’ lifespan while maintaining authenticity and quality. Transform your Ray-Ban with these original arms and continue enjoying the iconic vision they offer.

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 RB4421D.
You can, but we recommend selecting the frame's color code to keep a uniform finish.
Your review of Ray-Ban RB4421D