Description
Comparison points and tradeoffs
When comparing General Motors Genuine Parts 12450121 Daytime Running Lamp Ambient Lamp Sensor with other Daytime Running Light Modules options, use this source-backed detail as the primary discriminator: ACDelco Gold parts are the high-quality alternative to OE parts. These parts are manufactured to meet expectations for fit, form and function, making them a smart choice for General Motors vehicles and many makes and models, including special applications.
Use this second fact to evaluate the tradeoff: Application note: These parts are manufactured to meet expectations for fit, form and function, making them a smart choice for General Motors vehicles and many makes and models, including special applications. A third point to compare across alternatives is: However, our history isn’t half as promising as our future. We continue forward with GM Genuine Parts by our side. From the assembly line to the finish line, we’re building innovation and improvement on a foundation of GM Original Equipment.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
From the manufacturer
THREE TIERS OF A PREMIUM PORTFOLIO
GM ORIGINAL EQUIPMENT
GM Genuine Parts and ACDelco Original Equipment are the true OE parts installed during production or validated by General Motors for GM vehicles. These maintenance, repair, powertrain and collision components are designed and engineered to meet rigorous standards set by General Motors.
GOLD
ACDelco Gold parts are the high-quality alternative to OE parts. These parts are manufactured to meet expectations for fit, form and function, making them a smart choice for General Motors vehicles and many makes and models, including special applications.
SILVER
ACDelco Silver parts are high-quality, high-value options for General Motors vehicles, as well as for most makes and models.
OUR HISTORY – OUR ROOTS EMPOWER US
ACDelco has been at the forefront of automotive innovation since the birth of GM in 1908. Since then, we’ve helped a woman fly around the world and a man traverse the surface of the moon.
However, our history isn’t half as promising as our future. We continue forward with GM Genuine Parts by our side. From the assembly line to the finish line, we’re building innovation and improvement on a foundation of GM Original Equipment.
GM Genuine Parts and ACDelco are proud to work together as the only source for true General Motors Original Equipment and aftermarket parts – past, present and future.
Source product highlights
- Work with vehicle electronics to help optimize vehicle capabilities
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies




DAVID F. –
Good replacement on my wifes 2004 Silverado, works like a champ, not the exact model, couldn’t locate one but I made it stay in place with an o-ring to keep it from falling back through the dash cap.