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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 →

Original product Original lenses Ray-Ban RB4423D
Ray-Ban

Original Ray-Ban RB4423D lenses

Bring your Ray-Ban RB4423D glasses back to life with a pair of original lenses, made for this model and bearing the original logo.

Complete pair Polycarbonate Original logo
$ 52.69 from · price per pair
Select the lens size66 mm
Choose the color and coatingChoose a color

Material: Polycarbonate

Optional
Your configurationOriginal lenses RB4423D
$ 52.69 per pair
Model
Ray-Ban RB4423D
Material
Polycarbonate
Product
Original pair · with Ray-Ban logo
Choose the options to see availability
Quantity: 1 Total $ 52.69
3-year warrantyOn all replacement parts
Check the model. This pair is only for the Ray-Ban RB4423D.
Before you choose

Find the right lens size for your RB4423D

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: RB4423D ··· 66□·· 145Example 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 RB4423D ··· 66□·· 145, each part has a purpose:

RB4423DModelMust match this product.
···Frame colorIdentifies the finish of the frame front.
66Lens 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 66□··, select 66 mm.
Product and model

Ray-Ban RB4423D

Frame material of the RB4423D: Injected. 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
RB4423D
Available lens sizes
66 mm
Identification
Original logo
MaterialPolycarbonate
Compatible frameInjected
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 RB4423D and how to tell the 66 mm lens sizes apart.

3-year warranty

Coverage against manufacturing defects and after-sales support.

Meet our team Check compatibility
Installation guide

How to replace the lenses on your RB4423D

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

Guide specific to the RB4423DStep-by-step installation
ReplacementLenses · YouTube
More information

Everything about this replacement part for the Ray-Ban RB4423D

Restore Your Ray-Ban RB4423D with Original Replacement Lenses

Bring your Ray-Ban RB4423D sunglasses back to life with these 100% original replacement lenses, manufactured and distributed by Luxottica. Enjoy perfect fit, official quality, and the peace of mind that comes with authentic Ray-Ban parts, including the RB logo engraving where applicable. These lenses are the ideal solution for maintaining the original look, comfort, and performance of your sunglasses.

Choosing original Ray-Ban replacement lenses ensures every detail—from material to color—meets the brand’s highest standards. Regain premium sun protection, clarity, and style, knowing you’re using genuine components designed for your specific model.

Technical Specifications & Materials

  • Compatibility: Exclusively for Ray-Ban RB4423D. Please check the exact code on your temple arm.
  • Lens diameter: 66 mm
  • Lens height: 56 mm
  • Shape: Square
  • Lens material: Plastic (polycarbonate), depending on color variant.
  • Available colors:
    • 13 – Brown Gradient (plastic)
    • 9A – Green Polarized (plastic)
    • 87 – Dark Grey (plastic)
    • 93 – Brown (plastic)
    • T3 – Grey Gradient Polarized (plastic)
  • Use: Sun (UV protection)
  • Audience: Adult
  • Product type: Original Ray-Ban replacement
  • Original frame material: Injected front, nylon temples (frame information, not included with lenses).

How to Check Your Exact Model and Size

To ensure compatibility, follow these steps:

  • Find the model code (RB4423D) on the inside of your temple arm.
  • Check the size, usually printed next to the model code (e.g., 66).
  • Look for a specific color code (e.g., 13, 9A, 87, 93, T3) to match your original lenses.
  • If unsure, compare the measurements (diameter and height) and shape with your current lenses.
Original Ray-Ban RB4423D Replacement Lenses | Official Parts
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We answer your questions

FAQ

Are these identical to the lenses my sunglasses came with?

Yes, these are original Ray-Ban/Luxottica replacement lenses, made to official standards. There may be minor updates in materials or shades depending on the variant and production year, always maintaining original quality.

What exactly is included in my order?

Your order includes one pair of original Ray-Ban RB4423D lenses. The frame is not included.

Are they guaranteed to be authentic?

We guarantee all our replacement parts are original, supplied directly by Ray-Ban/Luxottica.

Explore our full range of original Ray-Ban replacement parts.

You can also browse all our original Ray-Ban lenses available for other models.

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 RB4423D 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 RB4423D 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.