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3rd Third Brake Light Seal Gasket for Chevy Silverado GMC Sierra 1500 2500 3500 1999 to 2006

4.5 4.5 out of 5 stars 2,534 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Automotive High Mount Stop Light Assemblies by MOFORKIT

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1999 to 2006

Purchase options and add-ons

  • Compatibility: 1999-2006 Chevy Silverado 1500 2500 3500; 2001-2006 Chevy Silverado 1500 HD, 2500 HD and 3500 HD; 2007 Chevy Silverado 1500 Classic, 3500 Classic, 1500 HD Classic and 3500 HD Classic; 1999-2006 GMC Sierra 1500 2500 3500; 2001-2006 GMC Sierra 1500 HD, 2500 HD and 3500 HD; 2007 GMC Sierra 1500 Classic, 3500 Classic, 1500 HD Classic and 3500 HD Classic;not for 1999 Old Body model, not for 2007 New Body model
  • This product features as a replacement and upgrade for the old third brake light seal gasket, made of thicker and firmer foam, prevent water from leaking in effectivly, also more durable than the old one, ideal solutionn for the annoying water leak problem
  • 0.2 inch (5 mm) thick foam gasket will leave about 1/8 inch gap outside between the housing edge and vehicle body after installed, it won't void the waterproof function for protecting the inside part, make sure your understand and accept this design before ordering
  • High quality third brake light assembly seal with the adhesive backing, easy to peel off and make the light stay in place, no weather strip adhesive needed
  • Package includes: 1 gasket and 1 manual;90 day manufacturer warranty since order purchase date.Feel free to send email if there's any issue before or after purchase. Your case will be taken seriously regardless of warranty period.

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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Package Dimensions ‏ : ‎ 16.3 x 5.3 x 0.5 inches; 1.27 ounces
  • Item model number ‏ : ‎ 8542089659
  • Date First Available ‏ : ‎ July 31, 2018
  • Manufacturer ‏ : ‎ MOFORKIT
  • ASIN ‏ : ‎ B07G1VRMLD
  • Customer Reviews:
    4.5 4.5 out of 5 stars 2,534 ratings

Product Description


This item is used for third brake light. With the convenience of an easy peel off adhesive backing , the material can be put in place, then moved for slight adjustments, stays in place for installation. It's a pretty good choice to replace the old and dull part as an ideal solution for the water leak problem. Check Compatibility table before ordering.

Package includes:

1 gasket 1 manual

Compatibility:

1999-2006 Chevy Silverado 1500 2500 3500

2001-2006 Chevy Silverado 1500 HD, 2500 HD and 3500 HD

2007 Chevy Silverado 1500 Classic, 3500 Classic, 1500 HD Classic and 3500 HD Classic

1999-2006 GMC Sierra 1500 2500 3500

2001-2006 GMC Sierra 1500 HD, 2500 HD and 3500 HD

2007 GMC Sierra 1500 Classic, 3500 Classic, 1500 HD Classic and 3500 HD Classic

NOT for 1999 Old Body model, NOT for 2007 New Body model

Replace part number 5978318 19169016

Specifics and Features:

Foam seal , Enough thick foam can provide excellent waterproof performance.

Made of high quality material,can be used for long time normally

Easy to install, perfect cutting edge makes the installation become simpler

Warranty and Customer Service:

1. 90 Day manufacturer warranty since order purchase date.

2. Feel free to send email first if there's any issue before or after purchase. All emails will be replied within 24 hours. Your case will be taken seriously regardless of warranty period.

Looking for specific info?

Customer reviews

4.5 out of 5 stars
4.5 out of 5
2,534 global ratings

Customers say

Customers like the fit, quality and performance of the gasket. For example, they mention it fits perfectly, it works excellent and is easy to install. That said, opinions are mixed on seal, value, adhesion, and thickness.

AI-generated from the text of customer reviews

70 customers mention49 positive21 negative

Customers like the fit of the gasket. They say it's of good quality, fits perfectly, and is held in place with the sticky surface. Customers also mention that it inconspicuously fits behind light assembly.

"...Was easy to install and inconspicuously fits behind light assembly." Read more

"At first thought it was a cheep replacement but fit very good an stuck to it sealed it all up i did add some silicone to it just for added..." Read more

"Works great, not the exact fit but close, so I added some silicone to make sure it would not leak" Read more

"Nice quality foam gasket that fit exactly. The adhesive was very tacky as well. Delivery was rapid. Overall very satisfied." Read more

49 customers mention39 positive10 negative

Customers like the quality of the gasket. They say it's a good product, better than OEM, and thicker than the stock gasket that comes on these lights now a days. They also say it provides better protection than OEM.

"Didnt use it but it looks of good quality." Read more

"...Seems to be of good quality material and the adhesive seems plenty strong...." Read more

"Cheaper and better than OEM gasket provide from GMC." Read more

"Quality piece" Read more

42 customers mention38 positive4 negative

Customers find the installation of the gasket to be super easy. They say it works great, is simple, and takes a few minutes. Customers also appreciate the good instructions.

"The item worked well. Easy to install." Read more

"...The instructions for this one are well-written even though installation is intuitive...." Read more

"...Was easy to install and inconspicuously fits behind light assembly." Read more

"...Easy to apply. Highly recommended upgrade!" Read more

42 customers mention40 positive2 negative

Customers are satisfied with the performance of the gasket. They mention that it works excellent, has no issues, and is perfect.

"The item worked well. Easy to install." Read more

"New 3rd brake light leaked. Replaced with this quality gasket and no issues! Highly recommend!" Read more

"Works great, not the exact fit but close, so I added some silicone to make sure it would not leak" Read more

"GMC knows this is an issue and refuses to fix it. But the product works great and used a little silicone to make sure I had a good seal." Read more

52 customers mention29 positive23 negative

Customers are mixed about the seal. Some mention it seals the leak, it's easy to install, and works great, while others say that it was still leaking.

"Worked as it should and stopped my cab leak" Read more

"I'm chasing down cab water leaks on a 2001 Silverado. Both edges of the headliner at the top of the A pillars become soaked, even with light rain...." Read more

"...It could stand to be a touch wider to cover more area. But so far no leaks." Read more

"...cheap gasket I received with the aftermarket 3rd brake light, it started leaking n I wasn’t aware it was leaking till it was to late n I turned a..." Read more

34 customers mention21 positive13 negative

Customers are mixed about the value of the gasket. Some mention that it's worth the price, while others say that it is not worth the money.

"...The other $12.00 is the cost of 2new gaskets from Moforkit. They r well worth the $ so far I haven’t had a leak yet" Read more

"...But the way it's made is not the best to me. It's a little expensive at 15$. The gasket is about the right size...." Read more

"Cheaper and better than OEM gasket provide from GMC." Read more

"...So excellent quality, performs as expected and a great price. I would definitely recommend this product" Read more

19 customers mention11 positive8 negative

Customers are mixed about the adhesion of the gasket. Some mention that the adhesive seems plenty strong, while others say that it didn't last long and the tape already fell off.

"...Seems to be of good quality material and the adhesive seems plenty strong...." Read more

"Take your time surfaces of gasket are very sticky" Read more

"...It was thick enough to cover the gap. Good adhesive. However, the instructions make several "suggestions" to use silicone...just in case...." Read more

"Nice quality foam gasket that fit exactly. The adhesive was very tacky as well. Delivery was rapid. Overall very satisfied." Read more

18 customers mention7 positive11 negative

Customers are mixed about the thickness of the gasket. Some mention it's thick enough to cover the gap, while others say it'd be too thick.

"Good gasket but a little thick...." Read more

"I like the thickness, of this gasket, it really works n blows the stock, n aftermarket gasket they send with the new aftermarket 3rd brake light..." Read more

"A bit thin and cheap but we tried it" Read more

"Gasket is too thick. Leaves the lense out of position." Read more

Great fit
5 Stars
Great fit
GMC knows this is an issue and refuses to fix it. But the product works great and used a little silicone to make sure I had a good seal.
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Top reviews from the United States

Reviewed in the United States on January 19, 2024
Size: 2014 to 2020Verified Purchase
Reviewed in the United States on February 24, 2024
Size: 1999 to 2006Verified Purchase
Reviewed in the United States on January 27, 2024
Size: 1999 to 2006Verified Purchase
2 people found this helpful
Report
Reviewed in the United States on January 18, 2024
Size: 2007 to 2013Verified Purchase
Reviewed in the United States on October 9, 2022
Size: 1999 to 2006Verified Purchase
Reviewed in the United States on September 7, 2023
Size: 1999 to 2006Verified Purchase
Reviewed in the United States on February 18, 2024
Size: 1999 to 2006Verified Purchase
2 people found this helpful
Report
Reviewed in the United States on February 12, 2024
Size: 1999 to 2006Verified Purchase

Top reviews from other countries

Elden
5.0 out of 5 stars Thick third brake light gasket
Reviewed in Canada on February 24, 2024
Size: 2014 to 2020Verified Purchase
james
5.0 out of 5 stars It dose the job
Reviewed in Canada on February 1, 2023
Size: 2007 to 2013Verified Purchase
John C.
1.0 out of 5 stars Don’t buy it you wouldn’t like it!!!!
Reviewed in Canada on June 11, 2022
Size: 1999 to 2006Verified Purchase