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912/921/T15 High-Output LED Bulbs | 2014–2019 Chevy Silverado & GMC Sierra
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1-Year Warranty
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Lifetime Technical Support
Real, Live, US customer support by a team that knows trucks
Upgrade the lighting on your 2014-2019 Chevrolet Silverado or GMC Sierra with Boost Auto's 912/921/T15 LED bulbs. Designed as a direct plug-and-play replacement for the factory T15 wedge socket, these bulbs deliver cleaner, brighter light for your reverse lights, third brake light, and cargo light with zero installation hassle.
- Over 2x brighter than factory halogen bulbs with crisp, bright white light output
- Fully plug-and-play replacement, no cutting, no splicing, no resistors required
- Flicker-free design, engineered to work seamlessly with your truck's electrical system without triggering warning lights
- Direct replacement for reverse lights, third brake light (CHMSL), and cargo lights on 2014-2018 Silverado & Sierra 1500 and 2015-2019 Silverado & Sierra 2500 & 3500
- Extended lifespan with LEDs that outlast halogen bulbs many times over
| Vehicle fitment | Fitment note |
These 912/921/T15 LED bulbs from Boost Auto deliver ultra-bright, flicker-free light as a direct plug-and-play replacement for the factory OEM T15 wedge socket on your 2014-2018 Chevrolet Silverado & GMC Sierra 1500 and 2015-2019 Silverado & Sierra 2500/3500. No wiring, no modifications, no error codes. Pull the old bulb out, plug this one in.
- Quality tested & shipped from our Northern Illinois facility
- Sold as a single unit or a pair of two
- Third Brake Light (Brake): Includes 1 bulb
- Third Brake Light (Cargo): Includes 2 bulbs
- Reverse Lights: Includes 2 bulbs
- 1-Year hassle-free warranty
- Live technical support with extensive product knowledge
- Fast shipping from our Illinois facility
- Item Condition: New
These bulbs are a direct replacement for the reverse lights, third brake light (CHMSL), and cargo lights on 2014-2018 Silverado & Sierra 1500 and 2015-2019 Silverado & Sierra 2500/3500.
Link to Reverse Light Installation: https://youtu.be/IS6kF_blsRU
Link to Cargo Light Installation: https://youtu.be/ZlVC0RwGL_I
Link to Brake Light Installation: https://youtu.be/E5zjmGykRFQ
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THE BEST QUALITY POSSIBLE
BOOST AUTO
OEMOUTSHINES FACTORY LIGHTS
Factory 912/921 halogen bulbs were never designed to impress; they're dim, inefficient, and built to a minimum standard. Boost Auto's 912/921/T15 LEDs replace that dated technology with high-output LED light that's visibly brighter, cleaner, and whiter from the moment you plug them in. No wiring, no modifications, no compromises. Just a direct drop-in upgrade that outperforms the factory bulb in every measurable way.
LIFETIME TECHNICAL SUPPORT
FAQ
Absolutely. All Boost Auto lighting products are backed by our 1 year warranty and lifetime technical support by our U.S.-based technical team.
No. These bulbs are built with flicker-free circuitry that works seamlessly with your vehicle's electrical system. No resistors needed.
These bulbs are over 2x brighter than factory halogen bulbs, delivering noticeably cleaner, whiter light from the moment you plug them in.
Just the bulb. These are direct plug-and-play replacement bulbs that drop into your existing factory housing; no assembly replacement needed.
None. These are a direct plug-and-play replacement; pull the old bulb out, plug this one in, done.
Boost Auto's 912/921/T15 LEDs are built to outlast your vehicle's original halogen bulbs; install them once and forget about them.
PEOPLE WHO CARE
WE ARE PASSIONATE
TRUCK OWNERS
Our team is made of automotive enthusiasts who drive trucks and SUV's. We spend our weekends working on our own vehicles, which is how we're able to deliver the best technical support and DIY install guides. We've been in your shoes many times before.
Because our employees are enthusiasts, many of our product ideas come from things we want to put on our own vehicles.
WHY CHOOSE BOOST
We might be biased, but we think the choice is clear. Boost is better...because of this:
LIFETIME TECHNICAL SUPPORT
Our commitment to our customers never ends. Whether you call our technical support team 10 minutes after ordering or 10 years after ordering, you will receive the same high quality of attention & care.
HELPFUL INSTALL VIDEOS
We know bad instructions suck, that's why we don't offer a single product on our site that doesn't have a detailed tutorial video. These videos are filmed by enthusiasts so we make sure you get the info you need in an easy to understand format.
1 YEAR WARRANTY
All of our products come with a 1 year warranty. Vehicle manufacturer warranties are typically 36,000 miles but vehicles last 200,000+ miles. You can rest assured our products are designed to last the lifetime of your vehicle as well.
CUSTOMER REVIEWS
QUALITY YOU CAN TRUST
All of our design & development, assembly & quality assurance takes place close to home, in our Northern Illinois Headquarters. Everything from 3D CAD design & prototyping to on-vehicle testing happens right here in America.
A PERFECT FIT
This ensures the accuracy of vehicle fitment across the entire range of trucks manufactured and sold in the United States
LOCAL SUPPORT
Plus, ALL of our support staff, ready to help you with your purchase, live here in West Chicago
Get In Touch
Email us
If your matter isn't urgent or it's outside of our customer service hours, you can email us at support@boostautoparts.com and we'll get back to you within 1 business day of your inquiry.
Visit our FAQs
We tend to think we've got some of your questions covered. If we aren't available, you can always check out our company FAQ page