Features
SIZE

54 mm.56 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

Lens Material
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

Restore Your Ray-Ban RB3766CH with Original Replacement Lenses
Bring your Ray-Ban RB3766CH sunglasses back to life with official replacement lenses. These are 100% original Ray-Ban parts, manufactured and distributed by Luxottica, ensuring perfect fit, optical quality, and the authentic Ray-Ban look. Each pair features the RB logo where applicable, so you can be confident in their originality and performance.
Choose the only replacement recommended by certified opticians and Ray-Ban itself. Restore the original style and sun protection of your sunglasses with genuine lenses designed for your RB3766CH model.
Technical Specifications and Materials
- Compatibility: Exclusively for Ray-Ban RB3766CH. Not suitable for other models.
- Available sizes: 54 mm and 56 mm (check your frame’s inner temple for the exact size).
- Lens diameter: 58 mm and 60 mm depending on variant.
- Lens height: 46 mm and 47 mm depending on size.
- Shape: Square.
- Lens material: High-quality mineral glass, as per Ray-Ban’s original specification.
- Available colors:
- 001/O9 – Polarized Grey
- 002/K8 – Polarized Dark Grey
- 003/J0 – Gradient Gold
- 004/5J – Mirror Silver
- 9259AN – Polarized Brown
- Use: Adult sunglasses.
- Product type: Pair of original Ray-Ban lenses, official replacement.
How to Check Your Model and Exact Size
Follow these steps to ensure you select the correct replacement:
- Find the model code (RB3766CH) on the inside of your frame’s temple.
- Check the size, usually listed next to the model (e.g., 54□17 145).
- Look for the color code, typically after the size (e.g., 001/O9).
- If unsure, compare your current lenses’ shape and measurements with the specifications above.
Frequently Asked Questions Before Buying Your Lenses
Are these identical to my original factory lenses?
Yes, these are original Ray-Ban replacement lenses made by Luxottica to official brand standards. Minor updates in materials or tints may occur depending on the variant or production year, always within official specifications.
What exactly is included in my order?
Your order includes one pair of original Ray-Ban RB3766CH lenses. The frame is not included.
Are they guaranteed authentic?
We guarantee all our parts are 100% original Ray-Ban, supplied by the official manufacturer.
Discover our full range of original Ray-Ban replacement parts.
You can also browse all our original Ray-Ban lenses available for other models.
Tutorial
How to Change Your Glasses’ Temples in 5 Steps
- Prepare your tools: You will need a small screwdriver (if the temples have screws) or just your hands if they are snap-on.
- Remove the old temples: If they are attached with screws, carefully unscrew them. If they are snap-on, gently slide them out of the frame.
- Compare the new temples: Ensure the replacement is compatible with your model by checking the size and attachment system.
- Install the new temples: Properly align the hinges and tighten the screws or snap the temples into place.
- Check the fit: Try on the glasses to make sure the temples are securely attached and aligned. Adjust if necessary.
It’s that easy! With these simple steps, you can give your favorite glasses a second life effortlessly.
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 |
| Audience | Adult |
| Use | Sun |
| Product Type | Original |
| Brand | Ray-Ban |
| Ray-Ban Model | |
| Front Material | Front Material |
| Temples Material | Temple Material |
| Size | 54, 56 |
| Shape | Shape |
| Lenses Color | 001/O9 – Polarized Grey, 002/K8 – Polarized Dark Grey, 003/J0 – Gradient Gold, 004/5J – Mirror Silver, 9259AN – Polarized Brown |
| Temple Size | 145 |
| Height (mm) | 46, 47 |
| Width (mm) | 58, 60 |
| Lens material | Lens Material |





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