2003 Cadillac Escalade EXT Step and Courtesy Bulbs

Your 2003 Cadillac Escalade EXT might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Step and Courtesy Bulbs you desperately need.

We currently carry 3 Step and Courtesy Bulbs to choose from for your 2003 Cadillac Escalade EXT, and our inventory prices range from as little as $2.49 up to $11.99.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Step and Courtesy Bulbs for the 2003 Cadillac Escalade EXT. We only sell parts from trusted brands like Sylvania so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 16 reviews on our Step and Courtesy Bulbs for the 2003 Cadillac Escalade EXT from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Step and Courtesy Bulbs stock in-person!

Step and Courtesy Bulbs for Your 2003 Cadillac Escalade EXT

Sylvania – 2721 Long Life: Mini Bulb, Standard Performance, 2 Pack (Part No.2721LLBP2)

2721 Long Life: Mini Bulb, Standard Performance, 2 Pack

from

$6.99
SYLVANIA Long Life miniature bulbs provide standard performance for your car or truck’s interior and exterior auxiliary lighting. Ideal for use in your car’s back up or reverse, trunk, dome lights and more, Long Life bulbs are a direct replacement for your vehicle. Designed for durability, lower maintenance due to longer bulb life, and to perform to all relevant safety standards.

Product Features:
  • DEPENDABLE: Made from high quality materials for long-lasting durability
  • EASY DIY INSTALLATION: A direct replacement for the factory bulbs in your vehicle, no modification required
  • SMART MAINTENANCE: Always replace bulbs in pairs to ensure equal brightness and color
  • PRO TIP: When changing your bulb, never touch the glass. Always use gloves or a clean shop towel to reduce the transfer of oils during install
  • SAFETY: High-quality SYLVANIA bulbs are designed to perform to all relevant safety standards set for the lighting application
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
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Sylvania – 578B ZEVO: Blue LED Mini Bulb, Super Bright, Lifetime Warranty, 1 Pack (Part No.578BLED.BP)

578B ZEVO: Blue LED Mini Bulb, Super Bright, Lifetime Warranty, 1 Pack

from

$11.99
Upgrade your vehicle with SYLVANIA ZEVO® LED miniature bulbs for added style, performance, and the many benefits of LEDs. Vibrant blue LED bulbs enhance the interior of your vehicle for head-turning style. Easy-to-install with a robust design and high-quality components, SYLVANIA ZEVO replacement bulbs are backed by a lifetime limited warranty to provide exceptional performance through the life of the vehicle. Also available in super bright white and an array of colors to update your car or truck.

Product Features:
  • RELIABLE: Thermal management to maximize life, matched with robust design that withstands temperature and shock for optimal performance
  • NON-POLARITY DESIGN: Plug & play easy installation; SYLVANIA ZEVO LED bulbs light on two sides and can be installed either direction
  • INSTANT ON: Provide full brightness instantly, giving drivers around you more time to react, compared to the slower light-up with Incandescent bulbs
  • BRIGHT BLUE LIGHT: Ideal for use in accent interior light applications
  • LIFETIME LIMITED WARRANTY: Designed with high quality components to provide exceptional performance through the lifetime of the vehicle
  • EASY DIY INSTALLATION: A direct replacement for the factory bulbs in your vehicle, no modification required
  • SMART MAINTENANCE: Always replace bulbs in pairs to ensure equal brightness and color
  • SAFETY: High-quality SYLVANIA bulbs are designed to perform to all relevant safety standards set for the lighting application
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
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Wagner Lighting – Medium Standard Mini Lamp (Part No.578)

Medium Standard Mini Lamp

from

$2.49
Medium Standard Mini Lamp

FAQs for 2003 Cadillac Escalade EXT Step and Courtesy Bulbs

What are the most popular Step and Courtesy Bulbs for the 2003 Cadillac Escalade EXT?

With 2 brands you can trust, our most popular Step and Courtesy Bulbs for the 2003 Cadillac Escalade EXT parts are:
2721 Long Life: Mini Bulb, Standard Performance, 2 Pack
from $6.99
(16)
2721 Long Life: Mini Bulb, Standard Performance, 2 Pack
Step and Courtesy Bulbs
578B ZEVO: Blue LED Mini Bulb, Super Bright, Lifetime Warranty, 1 Pack
from $11.99
This product is not rated
578B ZEVO: Blue LED Mini Bulb, Super Bright, Lifetime Warranty, 1 Pack
Step and Courtesy Bulbs
Medium Standard Mini Lamp
from $2.49
This product is not rated
Medium Standard Mini Lamp
Step and Courtesy Bulbs