




🚦 Don’t get left in the dark—upgrade your brake light switch today!
The Dorman 901-251 Brake Light Switch is a direct-fit replacement designed for select Cadillac, Chevrolet, and GMC models (2007-2011). Operating at 12 volts with a plunger actuator, it restores brake light and cruise control functionality with precision. Built from durable metal and plastic, it meets rigorous quality standards and comes with a limited lifetime warranty, ensuring reliable performance and peace of mind for professional drivers and enthusiasts alike.





| ASIN | B0BGQQQRZ9 |
| Actuator Type | Plunger |
| Best Sellers Rank | #37,065 in Automotive ( See Top 100 in Automotive ) #5 in Automotive Replacement Stoplight Switches |
| Brand | Dorman |
| Brand Name | Dorman |
| Circuit Type | 1-way |
| Connectivity Protocol | X-10 |
| Connector Type | Male |
| Contact Material | Copper |
| Contact Type | B2c |
| Control Method | Touch |
| Customer Reviews | 4.7 out of 5 stars 207 Reviews |
| Global Trade Identification Number | 00889245591593 |
| Included Components | 1 Switch |
| International Protection Rating | IP40 |
| Item Dimensions | 3.62 x 2.73 x 2.73 inches |
| Item Type Name | Brake Light Switch Compatible with Cadillac / Chevrolet / GMC Models |
| Manufacturer | Dorman Products |
| Material Type | Metal, Plastic |
| Model | 901-251 |
| Mounting Type | Panel Mount |
| Number of Items | 1 |
| Number of Positions | 1 |
| Operating Voltage | 12 Volts |
| Operation Mode | ON-OFF |
| Switch Type | Plunger |
| Terminal | Spade |
| UPC | 889245591593 |
| Unit Count | 1.0 Count |
| Warranty Description | Limited Lifetime |
P**R
Cruise control fix for a 2007 Chevy Tahoe. Wild that a brake switch even exists but here we are.
The light on the cruise control switch on the steering wheel would come on but the light in the dash would not. In other words my cruise control would come on but it would not set. I was told it was likely the brake switch. I ordered this brake switch & switched it out in 15 minutes. I now have working cruise control for a trip. I was also told to check my brake light bulbs because those can also make your cruise control not work if a bulb is blown on a Chevy Tahoe. The droman part looks well made. I've used a few Dorman parts over the last few decades. I've never had any problem at all. Dorman make good parts. Cheaper is what I like. It was also delivered in 12 hours. I cannot speak on the durability because I've only used it for 2 weeks but I've used it several times. I suspect it last the life of the vehicle. Its got 230,000 miles but im sure it last 100,000 miles. Hope some of this random info helps a random fellow out. Good luck👍 Edit. Still working 💪. I'm a big cruise control user 😎
J**.
perfect fit
fit right into my 08 sierra and was easy to install. works great so far and seems like itll last
B**E
Great!
Fixed my issue! Great part! Easy to install, has lasted over a month so far.
K**H
Fixes Cruise Control!
I have a 2011 GMC Yukon that would not set for cruise control. This part, a YouTube video, and 30 minutes later, it is now working perfectly!
F**N
Perfect
Looks, installs and works like OEM.
M**.
It works
REplaced old switch (my 2nd) and put together in 30 sec. It brake lights lit when pressed brake pedal. But had some issue with Cruise Control which is the main purpose to replace. I had to kick brake pedal sideways or press brake then release, finally criuse working. Eventually, it start to function normally. Old brake switch had same issue. Seem that GM have weird design and setup.. Wish they use Hall effect transistor for brake and cruise control so we won't have to worry about replacing it.
A**D
Fits 2011 Sierra 1500 SLE 4x4 extended cab
This was exactly what I needed and works as it should at a great price. The on/off is distinct, engaging immediately when the brake pedal is depressed and disengaging at the height of the return travel.
S**E
Worked as it should
Easy install, it fixed error code indicating problem.
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