Gates EMH343 Engine Crankcase Breather Hose - PCV Valve To Intake

OE-Exact Crankcase Breather Hose for Emission Control

Gates EMH343 is an OE-exact crankcase ventilation and emission control hose built for direct replacement in the PCV valve to intake path. It restores the factory hose routing and connection style for Ford and Lincoln applications that rely on a molded, clip-on breather hose.

Use Gates EMH343 when you need a replacement emission hose for Ford Transit-150, Transit-250, Transit-350, Transit-350 HD, Expedition, Lincoln Navigator, or F-150 applications with the PCV valve to intake routing.

Key Features

• OE-exact replacement for crankcase ventilation and emission control service
• Molded plastic construction for a factory-style fit
• Clip-on ends at both connections for direct installation
• Inside diameter: 0.63 in. (16 mm)
• Centerline length: 12.62 in. (321 mm)
• OE comparison rating: OE Exact
• Designed for PCV valve to intake routing
• Gates EMH343 part number for easy identification

Product Details

Gates Emission Control Hose EMH343 is engineered as a direct-fit crankcase breather hose for emission system repair. Its molded plastic design, clip-on end types, and OE-exact dimensions help restore the original hose path between the PCV valve and intake. This makes it a practical replacement for vehicles that need a factory-style emission hose to maintain proper crankcase ventilation routing. Gates EMH343 is listed for 2013-2016 Ford F-150, 2015-2020 Ford Transit-150, 2015-2020 Ford Transit-250, 2015-2020 Ford Transit-350, 2015-2020 Ford Transit-350 HD, 2015-2017 Ford Expedition, and 2015-2017 Lincoln Navigator. This part cross-references DL3Z 6A664 A for the same application.

What It Helps Fix

• Cracked or brittle crankcase breather hose
• Broken clip-on hose connections
• Improper PCV valve to intake hose routing
• Vacuum leaks related to emission hose failure
• Emission system performance issues caused by hose deterioration

Installation Notes and Tips

Confirm the vehicle’s PCV valve to intake hose routing before installation and match the OE-style clip-on ends to the existing connection points. Inspect adjoining fittings and intake ports for wear, debris, or damage before installing the new hose. Verify the hose follows the original molded path so it seats correctly without twisting or excessive tension. Gates EMH343 is a direct replacement for the listed Ford and Lincoln applications, including F-150, Transit, Expedition, and Navigator models.

Quality Assurance

Gates builds this emission control hose from high-quality materials to support durability and service life in crankcase ventilation applications. The EMH343 is an OE-exact replacement intended to restore the emission system to proper operation and performance.