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🚦 Upgrade your brake light switch—because safety shouldn’t wait!
The SDYYDS New Brake Light Switch is a 4-pin, 12V mechanical button switch designed as a direct OEM replacement for a wide range of Ford and Mazda vehicles from 2007 to 2019. Constructed with durable plastic and brass, it ensures reliable brake light activation and comes with a 2-year warranty and responsive customer support, making it a cost-effective, hassle-free upgrade for maintaining vehicle safety compliance.



















| Actuator Type | Mechanical Button |
| Asin | B09W5ZB3XQ |
| Best Sellers Rank | #24,824 in Automotive (See Top 100 in Automotive) #3 in Automotive Replacement Stoplight Switches |
| Brand Name | SDYYDS |
| Circuit Type | 4-way |
| Color | Blue |
| Connectivity Protocol | X-10 |
| Connector Type | Plug In |
| Contact Material | Brass |
| Contact Type | Normally Open |
| Control Method | Touch |
| Controller Type | Push Button |
| Customer Reviews | 4.5 4.5 out of 5 stars (448) 4.5 out of 5 stars |
| Item Dimensions | 3.54 x 1.77 x 1.18 inches |
| Manufacturer | SDYYDS |
| Material Type | Plastic |
| Model | 4838697 |
| Mounting Type | Through Hole Mount |
| Number Of Items | 1 |
| Number Of Positions | 1 |
| Operating Voltage | 12 volts |
| Operation Mode | ON-NONE-OFF |
| Part Number | SD19-035 |
| Specification Met | Oem,oem:4838697 |
| Switch Type | Brake Light Switch |
| Terminal | Through Hole |
| Unit Count | 1 Count |
| Warranty Description | 2 Years |
User
Works as hoped
Fixed my problem of the shifter locking and not releasing. Simple change out and works better than the original
User
Does a good job
Great part
User
Easy replacment
Only had it in for a day and getting g rid of my truck limp mode is amazing, and probably the easiest repair/replacement I’ve ever done. Not even 5 min was needed
User
Direct fit
Direct fit esay installation well made working great... however ford needs to get their head out of their "ya know" and make the ground wire longer on the wiring harness .. what's the point of having a harness whip if the ground wire is 6 inches long? Anyway if I need one I'll buy again
User
Funciona muy bien.
Buen producto.
User
Awesome
Fixed my problem on my dad 2015 F250. Brake lights were staying on taking power from the engine, failed in middle of driving. Cruise would not set either when this happened, only turn light on in dash.
User
Internet and Amazon saved us hundreds of dollars!
Getting this part from Amazon was a great idea! Mechanic wanted $800+ dollars to fix our 2016 Ford Fusion. We decided to research online and watched videos to determine that the problem was this part. Found it here for $10 and it was delivered the next day. Installed the new one and the car is running great, saving us a lot of money!!!
User
Quality part
Was able to fix a 2016 Ford Fusion which had its brake lights on at all time even when the car was off, swapped this and the issue was gone. Very easy fix, and hasn't gone bad yet.
User
works
good fit like oem part
User
Fantastic
It works perfectly and enables my vehicle cruise control.
User
Todo bien me llegó y si me funcionó gracias
Le quedó bien a mi camioneta y lo mejor me funcionó todo muy bien gracias
User
Mazda 3 problems solved
Fitted and worked perfectly
User
Worked for my truck
Worked great on my gas 2010 F150 XLT 4x4.
Trustpilot
1 month ago
2 weeks ago