0 ratings
Item #:
209441308
Erato WT21/7W 4257 Halogen Bulbs 12V 21W OEM Standard Replacement Rear Brake Tail Turn Signal Lights Long Life, 2 Packs
85% of respondents would recommend this to a friend
Item #:
209441308
GBP 16
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Friday, October 09
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
WT21W halogen bulbs provide bright and consistent lighting performance, ensuring a longer service life compared to ordinary bulbs.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Long Life
These halogen bulbs are designed for longevity, ensuring fewer replacements and reduced maintenance costs, making them a reliable choice for vehicle lighting.
OEM Standard
Manufactured to meet OEM specifications, these bulbs ensure compatibility with most vehicles, providing a seamless fit and optimal performance for rear brake, tail, and turn signal lights.
Bright Illumination
Delivering powerful 21W light output, these bulbs enhance visibility and safety on the road, significantly improving driver awareness and reaction times during night driving and inclement weather.
Product Details
| Light Source Type | Halogen |
| Fit Type | Vehicle Specific Fit |
| Automotive Fit Type | Vehicle Specific Fit |
| Brand Name | Erato |
| Manufacturer Part Number | EUS-WT21 |
| Manufacturer | Erato |
| Number of Items | 1 |
| Unit Count | 1 Count |
| Included Components | Glove*1, Halogen Bulbs*2 |
| Model Number | EUS-WT21 |
| Brand | Erato |
| Item Weight | 0.3 lbs (140 grams) |
Who Should Buy?
-
Vehicle Owners
Ideal for regular vehicle users needing reliable brake, tail, and turn signal light replacements for safety.
-
Fleet Services
Perfect for businesses managing multiple vehicles that require consistent and efficient lighting replacements.
-
DIYers
Suitable for DIY enthusiasts who want to perform their own vehicle maintenance and bulb replacements easily.
-
High-Performance Vehicles
Not suitable for high-performance vehicles needing specialized lighting that exceeds standard OEM specifications.
Product Description
Erato WT21/7W 4257 Halogen Bulbs 12V 21W OEM Standard Replacement Rear Brake Tail Turn Signal Lights Long Life, 2 Packs
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What type of vehicles can use Erato WT21/7W 4257 halogen bulbs?
Answer: The Erato WT21/7W 4257 halogen bulbs are primarily designed for vehicles that utilize standard OEM specifications for rear brake, tail, and turn signal lights. These bulbs are compatible with a variety of cars, trucks, and motorcycles. It's crucial to check your vehicle's manual or existing bulbs to confirm their specifications. Using the correct bulb ensures optimal functionality and contributes to road safety by providing visible signals to other drivers. -
Question:
How long do Erato WT21/7W 4257 halogen bulbs last?
Answer: Erato WT21/7W 4257 halogen bulbs are designed for long life, often outlasting standard bulbs. While exact lifespan can vary based on usage and vehicle conditions, these bulbs can typically last several hundred hours. Their durability makes them a reliable choice for daily use. This long lifespan not only saves you from frequent replacements but also ensures that your vehicle lights remain functional, enhancing safety on the road. -
Question:
What is the wattage and voltage of the Erato WT21/7W 4257 halogen bulbs?
Answer: The Erato WT21/7W 4257 halogen bulbs operate at 12 volts and use 21 watts of energy. This voltage and wattage are standard for many automotive lighting applications. Choosing bulbs with the appropriate specifications is essential for maintaining the integrity of your vehicle's electrical system. Ensuring compatibility helps prevent issues such as flickering lights or damage to your vehicle’s circuitry over time. -
Question:
Are Erato WT21/7W 4257 halogen bulbs bright enough for nighttime driving?
Answer: Yes, Erato WT21/7W 4257 halogen bulbs are designed to provide sufficient brightness for nighttime driving. With a strong output and clear illumination, these bulbs ensure that your brake and signal lights are clearly visible to other drivers in low-light conditions. This brightness enhances overall safety and allows you to communicate effectively with fellow motorists while driving at night. -
Question:
Do Erato WT21/7W 4257 halogen bulbs require any special tools for installation?
Answer: No, installing Erato WT21/7W 4257 halogen bulbs typically does not require special tools. Most users can replace these bulbs using basic hand tools such as a screwdriver. Simply access the light housing, remove the old bulb, and insert the new one, ensuring it is secured properly. This straightforward process allows you to maintain your vehicle's lighting system without needing professional assistance. -
Question:
Can I use Erato WT21/7W 4257 halogen bulbs for both brake and turn signals?
Answer: Absolutely! Erato WT21/7W 4257 halogen bulbs are designed specifically for use in rear brake lights, tail lights, and turn signal lights. This versatility makes them an ideal choice for maintaining your vehicle’s lighting system. Whether you’re signaling a turn or enhancing visibility while braking, these bulbs offer reliable performance across all applications. -
Question:
Will using Erato WT21/7W 4257 halogen bulbs void my vehicle’s warranty?
Answer: Using Erato WT21/7W 4257 halogen bulbs will not void your vehicle's warranty, as these bulbs meet OEM standards for replacement lighting. It’s important to use bulbs that align with your vehicle’s specifications to ensure compliance with manufacturer guidelines. By maintaining proper specifications, you can upgrade your vehicle's lighting system without concerns regarding warranty implications. -
Question:
How do Erato WT21/7W 4257 bulbs compare to LED options?
Answer: Erato WT21/7W 4257 halogen bulbs provide consistent brightness and visibility, making them reliable for standard automotive lighting needs. While LED options are typically more energy-efficient and longer-lasting, halogen bulbs are often less expensive and easier to replace. For users seeking a cost-effective solution with straightforward installation, halogen bulbs remain a viable choice without sacrificing performance. -
Question:
What factors might affect the lifespan of the Erato WT21/7W 4257 bulbs?
Answer: Several factors can influence the lifespan of Erato WT21/7W 4257 halogen bulbs, including driving conditions, frequency of use, and vibration from the road. Environmental elements, such as humidity and temperature fluctuations, can also affect their longevity. Maintaining your vehicle and ensuring that the light housing is clean can help extend the lifespan of these bulbs, promoting better performance and visibility. -
Question:
Where can I buy Erato WT21/7W 4257 halogen bulbs in Guernsey?
Answer: You can conveniently purchase Erato WT21/7W 4257 halogen bulbs from Ubuy in Guernsey. Ubuy offers a wide selection of automotive lighting products, ensuring you can find the right halogen bulbs that meet your vehicle’s specifications. With Ubuy, you can also explore multiple options and enjoy a seamless shopping experience when searching for quality replacement bulbs.
Erato Brake Lights EUS-WT21 Editorial Review
The Erato WT21/7W 4257 Halogen Bulbs are garnering a favorable reception among customers for their reliability and straightforward functionality. Ideal for various applications such as brake, tail, and turn signal lights, these bulbs meet OEM standards, ensuring a proper fit in multiple vehicle models. Users appreciate the easy installation process, which allows for quick replacements, making them a practical option for those needing immediate solutions. The brightness of the bulbs has been noted positively as they significantly outshine older replacements, providing a dependable light output. One unique feature that customers highlighted is the inclusion of a glove with the product, which helps prevent oil residue from hands contaminating the bulb during installation—an appreciated touch that reflects attention to detail in the product design. However, while the bulbs perform their intended tasks without any issues, many reviewers have pointed out that they are basic halogen replacements without any performance enhancements. Additionally, some users, although satisfied with their immediate function, noted that the lifespan of these halogen bulbs might not match that of LED alternatives. Overall, the Erato WT21/7W halogen bulbs deliver a satisfactory experience for those seeking straightforward, reliable replacements without the bells and whistles. **
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- OEM-standard replacement bulbs
- Fits WT21/7W applications correctly
- Easy, direct installation
- Works for brake, tail, and turn signal lights
- Convenient 2-pack
- Bright output compared to old bulbs
- Includes a glove for installation
Cons
- Very basic bulbs with no performance upgrade
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
GBP 16
Order now and get it around Friday, October 09
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Compatible with multiple 12V vehicle models including F150 and Bronco.
- Designed as OEM replacements for brake, tail, and turn signal lights.
- Delivers bright and consistent lighting performance.
- Long lifespan due to argon gas filling during manufacturing.
- Caution: Replace both bulbs at the same time for matching brightness.
- Easy to install; just hold the plastic base and avoid touching the glass.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.