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Original Lenses
2-Year Warranty
Set of 2 (Both)
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Identify your model
Ray-Ban 4321CH Original Replacement Lenses
From $ 114.20
Features
SIZE
53 mm.
Before making your purchase, make sure to check the measurements of your glasses. This model is available in x lens width. All dimensions are listed in millimeters and include lens width, bridge, and temple length.
MATERIAL
Polycarbonate
EASY INSTALLATION
Easy Installation
All our spare parts are designed to fit perfectly with your original model. You can do it yourself at home by following our step-by-step instructions or videos.
Description
Original Ray-Ban RB4321CH replacement lenses
Bring your Ray-Ban RB4321CH sunglasses back to their original sharp, high-contrast sun performance without buying a new frame. These original Ray-Ban 4321CH replacement lenses are made for the Ray-Ban RB4321 in size 53, with free shipping and savings of up to 60% compared with purchasing a complete new pair.
Model compatibility
These Ray-Ban replacement lenses are designed for the Ray-Ban RB4321 / RB4321CH model in size 53. Because they are original Ray-Ban lenses, the shape, curve and fit are made to match the correct frame accurately when the size is right.
If you want original Ray-Ban lenses, this option keeps the look and optical character of your sunglasses, including the Chromance lens options listed for this model.
How to identify your model and size
Check the information printed inside the temple of your sunglasses before ordering. You should see RB4321 or RB4321CH, together with the lens size 53, usually shown as 53□ followed by the bridge and temple measurements.
The size 53 refers to the lens width in millimetres, not a diagonal measurement. If your frame does not show RB4321 or does not match size 53, do not force the lenses into the frame, as very small design differences can change the lens outline.
Main features
- Brand: Ray-Ban.
- Compatible model: RB4321 / RB4321CH.
- Available size: 53.
- Lens diameter: 58mm.
- Lens material: polycarbonate.
- Shape: square.
- Lens curve: Base 6.
- Use: sunglasses.
- Wearer: adult.
- Product type: original.
- UV400 protection: blocks 100% of UVA/UVB rays.
Available lens options
- 5J - silver mirror Chromance polarized - plastic.
- 6O - green mirror silver Chromance polarized - plastic.
- A1 - flash blue mirror Chromance polarized - plastic.
- A2 - bronze flash Chromance - plastic.
Material, protection and lens finishes
These lenses are made from polycarbonate, a lightweight and impact-resistant material that helps preserve the comfortable balance of the RB4321CH frame. The Base 6 curve follows the optical geometry of the model and supports a precise fit in the correct frame.
The lens options marked as polarized feature Ray-Ban Chromance polarized performance, helping reduce glare and enhance contrast and colour perception outdoors. All listed options are sun lenses and include UV400 protection.
Why replace only the lenses
If your Ray-Ban RB4321CH frame is still in good condition, replacing only the lenses is the smart choice. You recover clarity, sun protection and the original look of your sunglasses while avoiding the cost of a complete new pair.
It is also a more sustainable decision: you keep a frame that already fits your face and reduce unnecessary waste. With advanced lens options such as Chromance, replacing both lenses helps maintain balanced colour, brightness and visual comfort.
Authenticity and logo
We are an official EssilorLuxottica distributor and our qualified opticians check lenses in our own workshop in Granada using a lensmeter. Original Ray-Ban lenses include the Ray-Ban logo and, on polarized variants, the Ray-Ban P marking.
Since 2018, we have handled more than 400,000 orders in over 50 countries and repaired more than 600,000 pairs of glasses. Your order is prepared carefully to help protect the lenses during shipping.
Frequently asked questions
Will these lenses fit any Ray-Ban RB4321 frame?
They are made for Ray-Ban RB4321 / RB4321CH in size 53. Always check the code inside the temple, because a similar-looking Ray-Ban frame may use a different lens shape.
Are these original Ray-Ban lenses?
Yes, these are original Ray-Ban replacement lenses. They include the Ray-Ban logo and the Ray-Ban P marking on the polarized lens options.
Can I install them at home?
Installation is possible for experienced users, but injected or plastic frames require controlled pressure. If you are not used to changing lenses, we recommend visiting an optical store or asking our opticians for guidance.
What if I choose the wrong size?
The wrong size may not seat properly or may feel loose in the frame. Confirm size 53 on your RB4321CH temple before placing the order.
Is it better than buying new sunglasses?
If your frame is still in good shape, replacing the lenses can save you up to 60% compared with buying a complete new pair. You keep the frame you already know and restore its optical performance.
Do these lenses provide UV protection?
Yes, these sun lenses provide UV400 protection, blocking 100% of UVA/UVB rays. That protection is essential for comfortable outdoor use.
Can I fit them into another similar Ray-Ban model?
No, we do not recommend it. Even small differences in groove, curve or outline can prevent a safe and stable fit.
Tutorial
Installing Ray-Ban RB4321CH replacement lenses
Before installation, check that your frame is marked RB4321 or RB4321CH and size 53 inside the temple. Correct model and size identification is the best way to avoid play, gaps or excessive tension.
Metal frames are usually opened by loosening the rim screw. Acetate or injected plastic frames are normally pressure-fit, and gentle controlled warmth can help the frame flex slightly. Avoid excessive direct heat and never force the lens into place.
Rimless, semi-rimless or folding frames should be handled with extra care, especially around hinges and fixing points. If you are not experienced with sunglass lens replacement, visit an optical professional.
Our workshop in Granada works daily with qualified opticians and precision equipment, so if you are unsure, ask for advice before attempting the installation.
Be Eco-Friendly
Commitment to Quality and the Environment
At Replacementlenses.net, our commitment to both quality and the environment is at the core of our mission.
We understand the importance of sustainability in today’s world, which is why we offer replacement parts for your glasses. Our goal is to help you extend the life of your favorite eyewear, reducing waste and the need for new purchases.
By choosing our products, you not only save money but also contribute to a more sustainable future. We believe that every small effort counts and that together we can make a big difference in protecting our planet.
Additional information
| Weight | 25 g |
|---|---|
| Dimensions | 20 × 10 × 1 cm |
| Brand | Ray-Ban |
| Audience | Adult |
| Use | Sun |
| Product Type | Original |
| Shape | Square |
| Lenses Color | 5J – SILVER MIRROR CHROMANCE POLARIZED – PLASTIC, A1 – FLASH BLUE MIRROR CHROMANCE POLARIZED – PLASTIC, A2 – BRONZE FLASH CHROMANCE – PLASTIC |
| Lens material | Polycarbonate |
| Lens curvature | Base 6 |
| Width (mm) | 48, 58 |
| Height (mm) | 48, 58 |
| Front Material | Injected |
| Ray-Ban Model | |
| Size | 53 |
| Temples Material | Nylon, Plastic |
Hubert Galler –
hallo
benötige
ersatzgläser-rb 4321 -ch710/a2 53°21 140 3p
Maylin Montes –
Todo fue como debia