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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
Made for the RB6378

Compatible arms Ray-Ban RB6378

A pair of compatible arms, made to fit the RB6378 frame. Choose the arm color you prefer.

Complete pair Metal 3-year warranty
$ 31.50 price per pair
Optional
Product total
Options total
Grand total
Your configurationCompatible arms RB6378
$ 31.50 per pair
Model
Ray-Ban RB6378
Product
Independently manufactured compatible
ImportantHinge screws are not included unless you add them as an add-on.
In our warehouse · ships immediately
Quantity: 1 Total $ 31.50
Check the model and length. These arms are made for the Ray-Ban RB6378.
Get to know your frame

Ray-Ban RB6378

These compatible arms are made for the RB6378. Before you buy, check the model and length on the inscription inside your frame.

Reference
RB6378
Material
Metal
Lengths
140 mm
Contents
1 pair
Identity
Independently manufactured compatible
Where to check
Inside of the arm
Before you choose

Check your arm details

Read the inscription on the inside of your own frame to correctly identify each code.

Inscription on the inside of the arm: RB6378 ··· ···□·· 140Example for guidance only. The position of the codes may vary depending on the frame.

What each code means

In an inscription such as RB6378 ··· ···□·· 140 you'll find these five details:

RB6378ModelIdentifies the frame.
···Frame colorOriginal finish code.
···Lens sizeWidth of each lens in millimeters.
··BridgeDistance between the lenses in millimeters.
140Arm lengthTotal length of the arm in millimeters.
To choose these arms, confirm: model RB6378, color code and length 140 mm. The lens size and bridge describe the front of the frame.
After choosing

Install your new arms

Follow the visual guide and make the swap step by step.

Guide specific to the RB6378Step-by-step arm replacement
ReplacementLenses · YouTube
CristalesRepuesto technician checking a lens in the Granada workshop
Replacement parts specialistsWe help you identify your model
Why choose ReplacementLenses

Compatible arms made for your model

We explain how to check the model and length, what's included in the pair, and that screws are not included.

Made for your model

Arms made to fit the RB6378.

International experience

Over 600,000 glasses restored and customers in more than 50 countries.

Guided selection

Clear check of the model and the 140 mm length.

3-year warranty

Coverage against manufacturing defects and specialist support.

More information

Everything about this replacement part for the Ray-Ban RB6378

Elevate your eyewear with our Ray-Ban 6378 compatible arms, the perfect replacement for rejuvenating your glasses without sacrificing quality. Carefully crafted to fit your frame, these temples offer an ideal solution to keep your favorite frames in optimal condition.

Made from durable metal, these arms ensure resilience and longevity, ideal for everyday use. Their Phantos design not only adds a touch of sophistication and elegance but also guarantees a comfortable and secure fit. Available in gold and silver color variants, they allow you to customize your look, adapting effortlessly to your personal style and giving you the freedom to express yourself through your eyewear.

The Ray-Ban 6378 model is renowned for its contemporary and timeless design. Our compatible arms maintain that iconic style, ensuring you can replace worn or damaged components while preserving the chic aesthetic. With a length of 140mm, they are designed to integrate seamlessly with your frames, providing exceptional balance and support.

Choosing our Ray-Ban 6378 compatible arms means opting for a piece that blends fashion, function, and durability. If you’re looking for a cost-effective alternative to original Ray-Ban replacements that doesn’t compromise on quality and style, our arms are the ideal choice. Their metallic material is not only strong and lightweight but also offers a polished finish that complements any outfit.

At ReplacementLenses.net, we strive to deliver products that exceed our customers’ expectations. Our material selection and manufacturing process is focused on quality and detail, ensuring each piece meets high standards before reaching your hands. By purchasing from us, you’re choosing products designed to last and enhance your eyewear experience.

Renewing your glasses has never been easier. Discover our Ray-Ban 6378 compatible temples and revamp your favorite accessories with the assurance of choosing trustworthy products. Place your order today and experience the difference that a perfect fit and elegant design can make.

Compatible arms for Ray-Ban RB6378
Real experiences

Reviews of these arms

Ratings posted by customers for the Ray-Ban RB6378. 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
Patrick

“Very well worth the money.”

Published review
We answer your questions

FAQ

Is the price for one arm or for the pair?

The price is for a complete pair: right and left arm.

Are these original arms?

No. They are independently manufactured compatible arms, made to fit the RB6378. They are not manufactured or authorized by Ray-Ban.

How do I know if I need 140 mm?

The length usually appears at the end of the inscription on the inside of the arm. Check that it matches your current frame.

Which colors can I choose?

The compatible arm colors we have for this model. On the product page you'll also see the original frame colors they match.

Are hinge screws included?

No. Screws are offered as an optional add-on because many frames allow you to reuse the existing ones.

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.