{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": true,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": true,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": true,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": true,
    "zipPaymentFlag": "c",
    "hassleFreeReturn": true,
    "lifetimeReplacement": true,
    "cpn_off": false
}
1985 Buick Somerset Regal

Brake Light Switches

Are your brake lights stuck on or working erratically? It might be time to get a new brake light switch here at CarParts.com. Shop from our wide selection of brake light switch replacements made for different makes and models. Take advantage of our unbeatable prices and never worry about going over your budget. Check out our products below to find the best brake light switch for your vehicle.
Refine by:

Shop Catalog

Showing 1 - 5 of 5 results
Sort by:
Standard OE Replacement Brake Light Switch - Direct Fit, Sold individually
Part Number: SISLS110
Guaranteed to Fit
$14.49
Vehicle Fitment
  • 1985 Buick Somerset Regal Base All Engines Automatic Transaxle, Without Cruise Control
  • 1985 Buick Somerset Regal Limited All Engines Automatic Transaxle, Without Cruise Control
Product Details
Warranty : 3-year or 36,000-mile Standard limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Standard OE ReplacementProduct Fit : Direct Fit
Standard OE Replacement Brake Light Switch - Direct Fit, Sold individually
Part Number: SISLS159
Guaranteed to Fit
$15.49
Vehicle Fitment
  • 1985 Buick Somerset Regal Base All Engines Manual Transaxle, With Cruise Control
  • 1985 Buick Somerset Regal Limited All Engines Manual Transaxle, With Cruise Control
Product Details
Warranty : 3-year or 36,000-mile Standard limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Standard OE ReplacementInterchange Part Number : REPB506601, SLS174Product Fit : Direct Fit
Standard OE Replacement Brake Light Switch - Direct Fit, Sold individually
Part Number: SISLS66T
Guaranteed to Fit
$9.99
Vehicle Fitment
  • 1985 Buick Somerset Regal Limited 4 Cyl 2.7L Manual Transmission, Without Cruise Control
  • 1985 Buick Somerset Regal Base 6 Cyl 3.2L Manual Transmission, Without Cruise Control
  • 1985 Buick Somerset Regal Base 4 Cyl 2.7L Manual Transmission, Without Cruise Control
  • 1985 Buick Somerset Regal Limited 6 Cyl 3.2L Manual Transmission, Without Cruise Control
Product Details
Warranty : 1-year or 12,000-mile Standard limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Standard OE ReplacementProduct Fit : Direct Fit
GM Original Equipment Series Brake Light Switch - Direct Fit, Sold individually
Part Number: ACD850A
Guaranteed to Fit
$17.49
Vehicle Fitment
  • 1985 Buick Somerset Regal All Submodels All Engines Cruise Control(K34)
Product Details
Notes : With cruise control; 2-wire connectionWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : GM Original Equipment SeriesInterchange Part Number : REPB506601, SLS159Terminal Quantity : 4Replaces OE Number : 9794682Recommended Use : OE ReplacementProduct Fit : Direct Fit
Standard OE Replacement Brake Light Switch - Direct Fit, Sold individually
Part Number: SISLS66
Guaranteed to Fit
$17.49
Vehicle Fitment
  • 1985 Buick Somerset Regal Limited 4 Cyl 2.7L Manual Transaxle, Without Cruise Control
  • 1985 Buick Somerset Regal Base 6 Cyl 3.2L Manual Transaxle, Without Cruise Control
  • 1985 Buick Somerset Regal Base 4 Cyl 2.7L Manual Transaxle, Without Cruise Control
  • 1985 Buick Somerset Regal Limited 6 Cyl 3.2L Manual Transaxle, Without Cruise Control
Product Details
Warranty : 3-year or 36,000-mile Standard limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Standard OE ReplacementInterchange Part Number : RB50660002Product Fit : Direct Fit
Page 1 of 1 | Showing 1 - 5 of 5 results

Top Rated Products

Part was exactly what I ordered, fit perfect. Fast shipping, was very pleased.
Mary W.
VERIFIED PURCHASER
Excellent part
Rayveon G.
VERIFIED PURCHASER
Arrive a day early, works great
Fernando Q.
VERIFIED PURCHASER

Shopping for Brake Light Switch

Brake Light Switch Shopping Info

What Is a Brake Switch?

The brake light switch is the device that activates your brake lights whenever you press the brake pedal. It lets the motorists behind you know that you’re stopping or slowing down.

How Much Does a Brake Light Switch Replacement Cost?

The cost of an aftermarket brake light switch may range between $10 to $140. Its exact price varies based on several factors, such as its set or assembly inclusions, warranty, series, recommended use, color or finish, brand, and warranty. For labor, you may have to spend an extra $40 to $60, depending on the rates in your location.

Shop for Aftermarket Brake Light Switches on CarParts.com

Don’t know when your local auto parts store will have the brake light switch you need to repair your daily driver? Find and order the perfect replacement here at CarParts.com in just a matter of minutes.

Aftermarket brake light switches are sold individually, in sets, or as part of an assembly. They come in different colors and finishes, such as black, bronze, white, brown, and more, so you’re sure to find one that matches your stock part or compliments your ride. Our direct-fit brake light switches are also available at competitive prices to help you get a top-notch replacement without breaking the bank.

In a hurry to repair your ride? Don’t worry, we have you covered with our fast shipping. All our brake light switches are on hand and ready to ship from our strategically located warehouses across the country. Order anytime, and we’ll have your new brake light switch delivered to your doorstep in a matter of days.

We take the guesswork out of finding brake light switches for your ride with our easy-to-use vehicle selector and search filters. So what are you waiting for? Shop for a replacement EGR vacuum solenoid now and take advantage of our unbeatable prices!

Featured Makes

Helpful Automotive Resources

Troubleshooting a Brake Light That’s Not Working
Troubleshooting a Brake Light That’s Not WorkingWhen something in the brake light system goes awry, the brake lights stop functioning normally. We’ve listed the different common issues you might encounter and how you or your mechanic can troubleshoot each problem’s potential causes. One or More Brake Lights Not Working
Brake Light Wiring 101: How It Works and Fixing Common Issues
Brake Light Wiring 101: How It Works and Fixing Common IssuesUnderstanding your vehicle’s brake light wiring is a good place to start when diagnosing brake light issues. While the exact design can vary depending on your car’s year, make, and model, most systems are basically the same. Red light bulbs are installed in sockets that are connected to the harness.
Tips for How To Test Brake Lights
Tips for How To Test Brake LightsPro Tips are nuggets of information direct from ASE-certified automobile technicians working with CarParts.com, which may include unique, personal insights based on their years of experience working in the automotive industry. These can help you make more informed decisions about your car.