What each code means
In an inscription such as RB6421 2904 ···□·· 140 you'll find these five details:
Refresh your Ray-Ban RB6421 glasses with a pair of original arms, with the finish matching the selected color.
The RB6421 uses original Ray-Ban metal arms. 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 RB6421 2904 ···□·· 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 or 145 mm length.
Coverage against manufacturing defects and specialist support.
Discover the elegance and unmatched quality of the Ray-Ban 6421 Original Eyeglasses Replacement Arms-Temples. Crafted for fashion-forward individuals mindful of their style, these high-quality eyeglass parts embody a definitive square shape, merging style with functionality to offer a unique product. The sophistication of metal front material complements the metal arms, ensuring durability and a comfortable fit for all face shapes.
Available in arm sizes 140 and 145, the Ray-Ban 6421 Original Eyeglasses Replacement Arms-Temples cater to a variety of personal preferences and individual needs. The color range offers versatile selections from 2973 – COOPER ON TOP LIGHT BROWN and 2997 – SILVER ON TOP MATTE BLACK to the more striking 3101 – BLUE. Whatever your color choice, you’re guaranteed a modern and fresh look.
Beyond style and comfort, the Ray-Ban 6421 Original Eyeglasses Replacement Arms-Temples exemplify authenticity. When you acquire a pair, you know you’re investing in quality backed by a globally recognized brand. It’s essential to note that these original replacements have a different reference or serial number compared to the complete eyewear but are identical externally.
If you’re looking to elevate your style while enjoying superb quality and durability of metal arms, look no further than the Ray-Ban 6421 Original Eyeglasses Replacement Arms-Temples. Don’t settle for less when you can wear the best, because after all, why not have it all? Learn more by visiting our main category page.

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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 RB6421.
You can, but we recommend selecting the frame's color code to keep a uniform finish.
Your review of Ray-Ban RB6421