






🚗 Light up your drive with confidence and style!
The Amrxuts 84198978 Tail Light Bulb is a high-performance, energy-efficient replacement designed exclusively for Cadillac ATS and XTS 3.6L models from 2013 to 2018. Featuring a powerful 21W brightness, IP67 waterproof rating, and a shock-proof aluminum base, this bulb ensures reliable, long-lasting illumination under all conditions. Its direct fit design guarantees easy installation with no assembly needed, backed by a 1-year warranty for peace of mind.






| Brand | Amrxuts |
| Color | black |
| Specific Uses For Product | Head Lights |
| Vehicle Service Type | for Cadillac ATS 3.6L 2013-2018, fits for Cadillac XTS 3.6L 2013-2018. |
| Year | 2013 |
| Special Feature | Waterproof |
| Wattage | 21 watts |
| Lens Color | black |
| Lens Material | Polycarbonate |
| Unit Count | 1.0 Count |
| Assembly Required | No |
| Automotive Fit Type | Vehicle Specific Fit |
| Manufacturer | Amrxuts |
| OEM Part Number | 13579168, 84198978 |
| Set Name | Cadillac ATS, XTS 2013-2018 |
| Model | Tail Light Bulb |
| Item Weight | 10.8 ounces |
| Package Dimensions | 7.13 x 3.27 x 2.05 inches |
| Item model number | 84198978 |
| Exterior | Machined |
| Manufacturer Part Number | sm833.com |
| Special Features | Waterproof |
J**L
An exact fit
Is an exact replacement part works great.
D**T
oddball lamp
This is an oddball lamp that has extremely limited application. My local parts stores didn't even have it in their books. Local Caddy dealer would have to have it sent in from Reno. Dealer price was $280. This was $20., and it showed up the next day.
W**W
Junk
I have a 2016 xts and bought this bulb amd it made the turn signal ligh stop working on the other side of the car. Removed the new bulb amd the turn signal started working again. Junk!
G**N
Worked!!
This product worked!! I was so worried that I would have to end up buying the whole casing which is very expensive. So in this worked and I put it in myself, took about an hour and was astonished that it worked. I spent 20 something dollars to fix my brake light and my Cadillac 2013 XTS vs 200 something plus labor.
A**R
Works great
Connects and fits like OEM. Works great.
A**R
Worked for my vehicle
Replaced brake light YouTube helped with disassembly. Way way way cheaper than dealer
A**R
Didn’t last.
Only lasted about a month. Brake light went out again so I spent the extra money and bought oem. I’m telling you this bulb isn’t going to last long.
T**R
Perfect fit
So far, I can't complain about anything. The price was great. It fit perfectly on my 2016 XTS. As far as longevity, we'll see.
Trustpilot
Hace 2 meses
Hace 2 semanas