What each code means
In an inscription such as RB4321CH 601S ···□·· 140 you'll find these five details:
Refresh your Ray-Ban RB4321CH glasses with a pair of original arms, with the finish matching the selected color.
The RB4321CH uses original Plastic 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 RB4321CH 601S ···□·· 140 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 140 mm length.
Coverage against manufacturing defects and specialist support.
Discover the exceptional craftsmanship of Ray-Ban 4321CH Arms-Temples, perfect for those who value both elegance and practicality. These original replacement parts bring a fresh vibe to your eyewear collection. With a length of 140 mm, these arms offer an impeccable balance of comfort and style. Crafted meticulously, the square shape enhances the contemporary edge while showcasing Ray-Ban’s iconic artistry.
The frames are constructed from injected material, known for its durability and resilience. This top-quality material guarantees exceptional performance, making them ideal for daily wear. The Ray-Ban 4321CH Arms-Temples are made from nylon, celebrated for being both lightweight and incredibly strong. This material ensures a stylish yet comfortable experience, with the added benefit of flexural durability.
For the fashion-forward individual, these arms are available in three striking colors. The color code 601S displays a sleek matte black, 710 introduces a sophisticated tortoiseshell hue, and 876 offers a chic translucent grey. Slip on the Ray-Ban 4321CH Arms-Temples and elevate your style, expressing your uniqueness.
It’s essential to note that these authentic replacement arms have a distinct reference number, separate from the complete eyewear frames, underscoring their originality. Explore your options in our complete collection of Ray-Ban replacement arms.

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 RB4321CH.
You can, but we recommend selecting the frame's color code to keep a uniform finish.
Your review of Ray-Ban RB4321CH