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SYLVANIA 4057 Long Life Miniature Bulbs, Ideal for DRL and Reverse Lights, 2 Count, Glass/Tungsten
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Vendor: SYLVANIA
Type: auto-bulbs
Sku: WBLSDB01FWODO8I
Availability: In Stock
Sold by LightsDaddy, an authorized reseller.
Returns accepted within 30 days | support@lightsdaddy.com
Shipping Information
- Free Standard Shipping — United States only
- Processing Time: 1–3 business days
- Estimated Delivery: 3–5 business days after dispatch
- Securely packed to protect your lighting fixtures during transit
- Tracking number sent via email once dispatched
- Orders over $250 require signature upon delivery. Taxes calculated at checkout.
Returns & Refund
Returns accepted within 30 days of delivery.
Damaged or Defective Item
Free return shipping + replacement or full refund
Wrong Item Received
Free return shipping + replacement or full refund
Change of Mind
Return shipping at customer's expense · Item must be unused & in original packaging
All returns require a Return Authorization (RA) number before sending.
View Full Return & Refund Policy
Safety & Compliance
⚠️
California Proposition 65 Warning
Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
www.P65Warnings.ca.gov
⚡
Electrical Safety Warning
All electrical products must be installed by a qualified electrician in accordance with local wiring regulations. Incorrect installation may result in fire, electric shock, or injury.
Always disconnect power at the circuit breaker before installation.
💡
Bulb & Usage Advisory
Do not exceed the maximum wattage specified on the fixture label. Keep away from flammable materials. Allow adequate ventilation around the fixture.
Keep out of reach of children. Not suitable for wet locations unless rated IP65 or higher.
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SYLVANIA 4057 Long Life Miniature Bulbs, Ideal for DRL and Reverse Lights, 2 Count, Glass/Tungsten
$10.64
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Frequently Asked Questions
- Q: What is the size of the SYLVANIA 4057 Long Life Miniature Bulb? A: The size is three inches in length, one inch in width, and four point zero two inches in height.
- Q: What materials are used in the SYLVANIA bulb? A: The bulb is made of glass and tungsten, providing durability and optimal lighting performance.
- Q: How many bulbs are included in the package? A: The package contains two bulbs, ensuring you have a spare when needed.
- Q: How do I install the SYLVANIA 4057 Long Life Miniature Bulb? A: To install, simply remove the old bulb and insert the new one into the socket, ensuring a secure fit.
- Q: Is the SYLVANIA bulb suitable for daytime running lights? A: Yes, this bulb is ideal for daytime running lights and back-up/reverse lights.
- Q: Can I use this bulb for both interior and exterior lighting? A: Yes, the SYLVANIA Long Life Miniature Bulb is designed for both interior and exterior automotive lighting.
- Q: How should I care for the SYLVANIA 4057 Long Life Miniature Bulb? A: To ensure longevity, avoid touching the glass with bare hands and store in a cool, dry place.
- Q: What is the expected lifespan of this bulb? A: The SYLVANIA Long Life bulbs last up to twice as long as standard miniature bulbs, reducing replacement frequency.
- Q: Are these bulbs safe for on-road use? A: Yes, the SYLVANIA bulbs are legal for on-road use and meet safety standards.
- Q: What should I do if my SYLVANIA bulb arrives damaged? A: If the bulb arrives damaged, contact customer support for a replacement or return options.
- Q: Can I return the SYLVANIA 4057 Long Life Miniature Bulb if I'm not satisfied? A: Yes, you can return the bulb according to the retailer's return policy.
- Q: How do the SYLVANIA bulbs compare to standard bulbs? A: The SYLVANIA Long Life bulbs perform significantly longer than standard miniature bulbs, enhancing reliability.
- Q: Is this bulb easy to replace? A: Yes, the SYLVANIA Long Life Miniature Bulb is designed for easy installation and shows immediate results.
- Q: Are these bulbs suitable for all vehicles? A: While designed for many vehicles, it's best to check the User Guide or Sylvania's Bulb Replacement Guide for compatibility.
- Q: Do these bulbs require any special maintenance? A: No special maintenance is required; just ensure they are installed correctly and replace them as needed.
- Q: What if one bulb burns out? A: It is recommended to replace bulbs in pairs, as one burning out usually indicates the other is close to failure.