




🚗 Upgrade your airflow game—because your Chevy/GMC deserves the best!
The Dorman 59111 Cabin Pressure Vent is a direct replacement part designed specifically for select Chevrolet and GMC vehicles. Made from durable metal with precision 4.52-inch NPT threaded connections, it restores original vent functionality and fit. Backed by Dorman’s century-long automotive expertise, this vent ensures reliable performance and long service life, keeping your cabin pressure balanced and your ride comfortable.





| ASIN | B07RSFWKN3 |
| Best Sellers Rank | 968,276 in Automotive ( See Top 100 in Automotive ) 272 in Car Interior Light Switches |
| Brand | Dorman |
| Customer Reviews | 4.5 4.5 out of 5 stars (193) |
| Exterior Finish | Machined |
| Global Trade Identification Number | 00889245594181 |
| Included Components | 1 Cabin Pressure Vent |
| Inlet Connection Size | 4.52 Inches |
| Inlet Connection Type | NPT (National Pipe Thread) |
| Item Dimensions | 27 x 11.5 x 6.5 centimetres |
| Item Type Name | Cabin Pressure Vent Compatible with Select Chevrolet / GMC Models |
| Item Weight | 0.01 Ounces |
| Manufacturer | Dorman Products |
| Material | Metal |
| Model Number | 59111 |
| Number of Ports | 1 |
| Outlet Connection Size | 4.52 Inches |
| Outlet Connection Type | NPT (National Pipe Thread) |
| Thread Size | 4.52 inches |
| Thread Type | NPT |
| UPC | 889245594181 |
| Unit Count | 1.0 count |
| Valve Type | Ball Valve |
M**K
Material and fit are great. They fit perfectly.
F**A
El producto embona perfectamente en la camioneta. Lo recomiendo ya que la calidad del material es buena
M**I
A perfect match to the factory product. Fit perfectly.
J**K
Works great! A little expensive but it seals the cab! No more leaks :)
S**R
Perfect fit and easy to install, once viewing install information on the internet.
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