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Certified EssilorLuxottica distributor An international benchmark for Ray-Ban and Oakley replacement parts Over 600,000 glasses restored in 50+ countries New High-precision custom engraving on your lenses 3-year warranty on all replacement parts Compatible Quality and savings to renew your glasses Certified EssilorLuxottica distributor An international benchmark for Ray-Ban and Oakley replacement parts Over 600,000 glasses restored in 50+ countries New High-precision custom engraving on your lenses 3-year warranty on all replacement parts Compatible Quality and savings to renew your glasses

All Ray-Ban replacement lenses →All original Ray-Ban lenses →

Ray-Ban

Original Ray-Ban RB4243 lenses

Bring your Ray-Ban RB4243 glasses back to life with a pair of original lenses, made for this model and bearing the original logo.

Complete pair Polycarbonate Original logo
A$ 107.90 price per pair
Select the lens size49 mm
Choose the color and coating8G · Gray gradient · plastic

Material: Polycarbonate

Optional
Your configurationOriginal lenses RB4243
A$ 107.90 per pair
Model
Ray-Ban RB4243
Material
Polycarbonate
Product
Original pair · with Ray-Ban logo
Choose the options to see availability
Quantity: 1 Total A$ 107.90
Check the model. This pair is only for the Ray-Ban RB4243.
Before you choose

Find the right lens size for your RB4243

The inscription on the inside of the arm lets you confirm the model and exact lens measurement without visually comparing frames.

Inscription on the inside of the arm: RB4243 ··· 49□·· ···Example for guidance only. The position and order of the codes may vary depending on the frame.

How to read the inscription

In an inscription such as RB4243 ··· 49□·· ···, each part has a purpose:

RB4243ModelMust match this product.
···Frame colorIdentifies the finish of the frame front.
49Lens sizeThis is the size you need to select.
··BridgeThis is not the lens size.
Quick rule: the lens size is the number right before the □ symbol. If you read 49□··, select 49 mm.
Product and model

Ray-Ban RB4243

Frame material of the RB4243: Nylon. This pair of original lenses keeps the shape, thickness, beveling and fit designed for this frame; you just need to confirm that the reference and lens size match.

Reference
RB4243
Available lens sizes
49 mm
Identification
Original logo
MaterialPolycarbonate
CurvatureBase 6
Packaging1 pair
ManufacturingOriginal Ray-Ban
Product contents

What you'll receive with your order

1Original right lens with Ray-Ban logo
2Original left lens with RB engraving
3Selected color, coating and lens size
CristalesRepuesto technician checking a lens in the Granada workshop
Specialists since 2018Original product with specialist support
Why choose ReplacementLenses

Origin, compatibility and contents explained before you buy

We work with original replacement parts and help you confirm the model and lens size to reduce mistakes before we prepare your order.

EssilorLuxottica Ray-Ban Certified distributor
since 2018
Certified distributor

ReplacementLenses has been a certified EssilorLuxottica distributor since 2018.

Verifiable original

Ray-Ban pair with the original markings for the variant.

Guided compatibility

We explain where to find RB4243 and how to tell the 49 mm lens sizes apart.

3-year warranty

Coverage against manufacturing defects and after-sales support.

Installation guide

How to replace the lenses on your RB4243

This model has a dedicated guide: follow the method shown in the video for your frame.

Guide specific to the RB4243Step-by-step installation
ReplacementLenses · YouTube
More information

Everything about this replacement part for the Ray-Ban RB4243

Original Ray-Ban RB4243 replacement lenses

If your Ray-Ban RB4243 frame still fits perfectly but the lenses are scratched or worn, replacing only the lenses is the smart way to bring them back to life. These original Ray-Ban lenses restore the look, sun protection and visual feel of your sunglasses while saving money compared with buying a new pair, with free shipping on qualifying orders.

At ReplacementLenses.net, we work with Ray-Ban replacement lenses every day in our own optical workshop in Granada. We are an official EssilorLuxottica distributor, and qualified opticians check every lens with a lensmeter before dispatch.

Model compatibility

This replacement is made for Ray-Ban RB4243 in size 49. The model and size must match because the Phantos shape and Base 6 lens curve are designed to fit this specific frame geometry.

These lenses are intended for original Ray-Ban RB4243 frames. We do not recommend using them on copies or replica frames, as small differences in the rim can cause poor fit, stress on the lens or movement inside the frame.

How to identify your model and size

Check the inside of the temple arm. You should find the model reference, usually shown as RB4243, followed by frame and lens information and the eye size. For this product, you need RB4243 and size 49.

If your frame is marked RB4243-V or belongs to a different fitting version, make sure the eye size is 49 and that the lens shape matches the sunglasses version. If you are unsure, contact us before ordering.

Main features

  • Brand: Ray-Ban
  • Compatible model: RB4243
  • Size: 49
  • Stated diameter: 51 mm
  • Shape: Phantos
  • Lens curve: Base 6
  • Lens material: polycarbonate
  • Use: sunglasses
  • Audience: adult
  • Product type: original

Available colours

  • 13 – Brown gradient – Plastic
  • 8G – Grey gradient – Plastic

To achieve the closest factory match, select the same colour code as your original lenses. With Ray-Ban, the colour code is the most reliable way to identify the correct lens option.

Material, protection and lens finishes

These lenses are made from polycarbonate, a light and resistant material suitable for everyday sunglasses. The Base 6 curve helps preserve the correct optical geometry and fit in the RB4243 frame.

They provide UV400 protection, blocking 100% of UVA and UVB rays. The available lens finishes for this product are gradient: 13 brown gradient and 8G grey gradient.

Why replace only the lenses

If your frame is still in good condition, changing only the lenses is more economical and more sustainable than buying a complete new pair. You keep the frame that already fits your face and avoid unnecessary waste.

Since 2018, we have repaired more than 600,000 glasses, processed over 400,000 orders and shipped to more than 50 countries. Many Ray-Ban frames do not need replacing; they simply need new original Ray-Ban lenses.

Authenticity and logo

As an original Ray-Ban product, these lenses include the Ray-Ban logo. Our optical team checks the condition and optical quality of each lens before shipping.

Buying from an official EssilorLuxottica distributor helps you avoid low-quality copies, wrong shades or lenses without proper optical guarantees.

Frequently asked questions

Will these fit any Ray-Ban RB4243? They fit Ray-Ban RB4243 in size 49. If your frame has another size, the lenses should not be filed down or forced into place.

How do I know my size is 49? Look inside the temple arm for the model and eye size. If it shows RB4243 and 49, this is the correct replacement.

Are they original Ray-Ban lenses? Yes, they are original Ray-Ban lenses. Original Ray-Ban lenses include the Ray-Ban logo and come through the official EssilorLuxottica channel.

Are they glass lenses? For this product, the technical attribute is polycarbonate. This makes them lightweight and resistant for daily sunglass use.

Do they protect against UV? Yes, they provide UV400 protection, blocking 100% of UVA and UVB rays. That is essential for proper sunglass protection.

Are these polarized? The listed options for this product are not marked as polarized. If you need polarization, choose a variant specifically labelled as polarized.

Can I install them at home? Installation may require controlled pressure and, on suitable plastic frames, gentle dry heat. If you have no experience, we recommend visiting an optician.

Ray-Ban 4243 Genuine Lenses | Official Replacement
Real experiences

Reviews of these lenses

Ratings posted by customers for the Ray-Ban RB4243. We show the most recent ones.

5.00 out of 5 Based on 1 rating
5 stars1
4 stars0
3 stars0
2 stars0
1 star0
Pamela Siles

“Estas piezas de repuesto son perfectas para mis gafas Ray-Ban”

Published review
We answer your questions

FAQ

Is the price for one lens or for the pair?

The price is for a complete pair: original Ray-Ban right and left lenses.

Can I choose a different color from the original?

Yes. You can choose another available variant as long as you select the RB4243 model and the exact lens size of your frame.

Do the polarized versions have a logo?

Yes. On polarized variants, the marking may appear as Ray-Ban P, in addition to the discreet RB engraving.

Will they fit another similar model?

No. Shape doesn't determine compatibility: these lenses are only for reference RB4243 and the lens size you choose.

Search by reference

Find your glasses' reference

Look on the inside of one of the temple arms. That's where you'll find the details needed to find the right replacement part.

Inside of a Ray-Ban temple arm showing reference RB2140, color 901, lens size 50, bridge 22 and arm length 150
RB2140Frame model
901Color code
50Lens size
22Bridge width
150Arm length
●

To find lenses: the model and lens size are usually enough. For arms: we also recommend checking the color and length.