Original Ray-Ban RB3648 replacement lenses
Bring your Ray-Ban RB3648 sunglasses back to life without buying a new frame. These original Ray-Ban replacement lenses let you keep the metal frame you already love, save money compared with a new pair, and enjoy free shipping on qualifying orders.
At ReplacementLenses.net, lenses are handled in our own optical workshop in Granada using MEI Easy Fit Trend technology. Qualified opticians check every lens with a lensmeter, and we are an official EssilorLuxottica distributor.
Compatibility with the model
These lenses are made for Ray-Ban RB3648. Do not choose them for a similar-looking Ray-Ban model unless the inside of your temple clearly shows RB3648.
The right fit depends on both the model code and the size. Available sizes are 51 and 54, with Base 6 curvature for the correct optical geometry and frame seating.
How to identify your model and size
Look inside the temple arm. You should find RB3648 followed by the frame colour code and then the lens size, such as 51 or 54.
The model code confirms compatibility; the size confirms the lens width. Choosing the wrong size can cause gaps, movement or excessive pressure on the metal rim.
Main features
- Product type: original Ray-Ban lenses
- Compatible model: RB3648
- Available sizes: 51 and 54
- Diameter: 57 mm
- Lens material: polycarbonate
- Lens curve: Base 6
- Frame material: metal
- Use: adult sunglasses
- Protection: UV400, blocks 100% UVA/UVB
Available colours
- 33 – Brown uniform – Crystal
- 3F – Blue gradient – Crystal
- 58 – Green polarized – Crystal
- G15 – Classic green – Crystal
- R5 – Gray – Crystal
- 71 – Grey gradient dark grey – Crystal
- B1 – Dark grey – Crystal
- 3M – Blue gradient – Crystal
- 43 – Brown gradient grey – Crystal
- 56 – Blue classic – Crystal
You can also browse more original Ray-Ban lenses for other models.
Material, protection and lens options
These RB3648 lenses are made from polycarbonate, a light and practical material for everyday sun protection. The Base 6 curve helps preserve the intended fit and visual comfort.
The 58 option is listed as green polarized. If you want polarized performance, make sure you select that specific lens option; polarized Ray-Ban lenses carry the Ray-Ban P marking.
Why replace only the lenses
If your RB3648 frame is still in good condition, replacing the lenses is the smartest choice. You keep the original frame, reduce waste and restore clarity, colour and UV protection at a fraction of the cost of new sunglasses.
Since 2018, we have repaired more than 600,000 glasses and shipped over 400,000 orders to customers in more than 50 countries.
Authenticity and logo
Because these are original Ray-Ban lenses, they include the Ray-Ban logo. Buying through an official EssilorLuxottica distributor means you receive genuine replacement lenses, not generic compatible parts.
Frequently asked questions
Are these lenses only for RB3648? Yes. They are designed for Ray-Ban RB3648 and should not be fitted to other similar models unless the frame code matches exactly.
How do I know whether I need size 51 or 54? Check the inside of the temple arm. The size is printed after the RB3648 reference and must match your frame.
Are they genuine Ray-Ban lenses? Yes. They are original Ray-Ban replacement lenses with the Ray-Ban logo and official EssilorLuxottica distribution.
Do they provide UV protection? Yes. These sun lenses provide UV400 protection, blocking 100% of UVA and UVB rays.
Are all colours polarized? No. Only the 58 – Green polarized – Crystal option is listed as polarized. Select that exact option if glare reduction is a priority.
Can I install them at home? The RB3648 is a metal frame, so fitting usually involves loosening the rim screw carefully. If you are not used to working on metal frames, we recommend professional installation.
Example for guidance only. The position and order of the codes may vary depending on the frame.
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