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๐ ๏ธ Upgrade your 4WD reliability โ donโt get left stuck in the mud!
The Dorman 926-391 vacuum check valve is a precision-engineered, brass-built direct replacement part designed to restore the 4WD actuator vacuum system on select Ford and Lincoln vehicles from 2010-2017. Trusted for its durability and exact fit, it ensures seamless functionality and easy installation, backed by over a century of automotive expertise.










| ASIN | B09S2W4RRS |
| Best Sellers Rank | #50,669 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Air Check Valves |
| Brand | Dorman |
| Brand Name | Dorman |
| Connector Type | Barb, Compression |
| Country of Publication | China |
| Customer Reviews | 4.5 out of 5 stars 258 Reviews |
| Exterior Finish | Ready To Paint If Needed |
| Exterior finish | Ready To Paint If Needed |
| Included Components | 1 Tube Assembly |
| Inlet Connection Type | Compression |
| Inlet connection type | Compression |
| Item Dimensions | 22.5 x 8 x 8 centimeters |
| Item Type Name | 4WD Actuator Vacuum Check Valve Compatible with Select Ford / Lincoln Models |
| Item Weight | 0.2 Pounds |
| Item dimensions L x W x H | 22.5 x 8 x 8 centimeters |
| Manufacturer | Dorman Products |
| Manufacturer Part Number | 926-391 |
| Material | Brass |
| Material Type | Brass |
| Model Number | 926-391 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Ports | 2 |
| Outlet Connection Size | 3.15 Inches |
| Outlet Connection Type | Barb |
| Outlet connection type | Barb |
| Size | Stock |
| UPC | 037495934152 |
| Unit Count | 1 Count |
| Valve Type | vacuum check valve |
D**.
Easy simple fix
Perfect fit !
R**N
Good product
Nice product! Fixed our situation with tge front 4WD clicking in the hub of our 2015 Expedition. Should be easy to install for most people.
T**S
2011 Ford F150
Fit perfectly on my 2011 Ford F150 5.0L 4WD.
S**A
Satisfied customer
Perfect fit
G**H
Excellent replacement part
Excellent replacement part. Easy to install and fixed my problem.
Trustpilot
2 weeks ago
1 month ago