Your cart is empty
Browse our catalog to find the parts you need.
These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.
Post Onsite · Electrical & Lighting
1157
In stock · ships from Knoxville
The 1157 is a dual‑filament incandescent bulb widely used for brake lights, tail lights, and turn signals.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 1 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Other applications
Other applications
This is a standard bulb type; always verify the socket base (BAY15d) and voltage before installation. The 1157 is not brand‑specific and fits countless makes and models.
Part data verified against 5 catalog sources
Different year, make, or config? Get a confirmation against your truck in under a minute.
One filament provides a bright output for stop/turn functions, while the other delivers a dimmer running light. Replace it when a brake or tail light stops working, or if the bulb blackens.
Part Number: 1157
LIGHT BULB
Unit: ea
Dealer: Post Onsite
Compatibility, alternatives, and more
Parts commonly needed alongside electrical & lighting
