What each code means
In an inscription such as RB3751 004/B1 58□·· 145 you'll find these five details:
Refresh your Ray-Ban RB3751 glasses with a pair of original arms, with the finish matching the selected color.
The RB3751 uses original Propionate 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 RB3751 004/B1 58□·· 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 3751 Replacement Arms are the perfect choice for those looking to renew or repair their Ray-Ban glasses while maintaining brand quality and authenticity. Designed to offer comfort and style, these arms are made from propionate, known for its durability and lightweight properties.
Featuring a length of 145 mm, these arms perfectly fit the Ray-Ban 3751 model, ensuring a perfect fit that complements the square shape of the frame. Available in a variety of modern colors such as 002/4L – BLACK, 004/B1 – GUNMETAL, 004/R5 – GUNMETAL, and 9259 – COPPER, you can personalize your eyewear according to your personal preferences.
With a metal front frame, the durability of the glasses is enhanced, while the propionate arms ensure prolonged use without discomfort. Purchase the Original Ray-Ban 3751 replacement arms and rediscover Ray-Ban’s exceptional quality, a brand that combines tradition with innovation in every detail.

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 RB3751.
You can, but we recommend selecting the frame's color code to keep a uniform finish.
Your review of Ray-Ban RB3751