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Description:
The Carquest 4157LL Mini Bulb is an OEM-spec, long-life replacement bulb designed for critical exterior lighting such as tail lights, brake lights, and turn signals. Its dual-filament construction provides both low and high intensity output in a single bulb, supporting multi-function lamp assemblies while maintaining clear, consistent signaling.
The LL (Long Life) design is engineered to handle frequent on/off cycling and road vibration, helping extend service life and reduce replacement frequency. Built for standard 12V automotive electrical systems, this bulb delivers dependable illumination and is a practical option for routine maintenance or fleet service. Sold as a 10-pack.
Features:
OEM specification miniature bulb for direct replacement
Long life (LL) dual-filament design for extended service life
Supports tail light, brake light, and turn signal applications
Provides bright, reliable illumination for dual lighting functions
Durable tungsten filaments resist shock and vibration
Reliable performance in standard 12V automotive electrical systems
Helps maintain clear signaling to meet road safety requirements
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
