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🛠️ Upgrade your 4WD reliability — don’t 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 |
| ASIN | B09S2W4RRS |
| Best Sellers Rank | #52,123 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Air Check Valves |
| Brand Name | Dorman |
| Connector Type | Barb, Compression |
| Country of Publication | China |
| Country of origin | China |
| Customer Reviews | 4.5 4.5 out of 5 stars (258) |
| Customer reviews | 4.5 4.5 out of 5 stars (258) |
| Date First Available | 19 April 2022 |
| Exterior Finish | Ready To Paint If Needed |
| Included Components | 1 Tube Assembly |
| 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 | 91 g |
| Item model number | 926-391 |
| Manufacturer | Dorman Products |
| Manufacturer | Dorman Products |
| Manufacturer Part Number | 926-391 |
| 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 |
| Product Dimensions | 22.48 x 8 x 8 cm; 90.72 g |
| Size | Stock |
| UPC | 037495934152 |
| Unit Count | 1 Count |
| Valve Type | vacuum check valve |
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