Gates EMH151 Engine Crankcase Breather Hose - PCV Valve To Intake

Gates EMH151 Crankcase Breather Hose

The Gates EMH151 is an OE-exact engine crankcase breather hose for the PCV valve to intake route. Built from rubber with molded push-in ends, it is made to restore proper crankcase ventilation and emission system function on supported Mazda, Ford, and Mercury applications.

Gates Emission Control Hose products focus on direct-fit replacement hoses for emission and crankcase ventilation service. The EMH151 follows the original hose layout and dimensions for a clean replacement on vehicles such as the Mazda 3, Mazda 6, Ford Fusion, and Ford Focus.

Key Features

• OE-exact replacement for crankcase ventilation and emission control service
• Rubber construction for durability and service life
• Molded hose with push-in ends for factory-style routing
• Inside diameter: 15 mm (.58 in.)
• Centerline length: 178 mm (7 in.)
• Protective sleeve included for added hose protection
• OE comparison rating: OE Exact
• Part number: EMH151

Detailed Description

The Gates EMH151 crankcase breather hose is designed for the PCV valve to intake connection and is built to match original equipment dimensions and fitment. Its molded rubber construction and push-in end design help maintain the intended hose path while restoring the emission system to proper operation. This part number, EMH151, is a direct replacement choice for drivers servicing Mazda MX-5, Mazda 3, Mazda 6, Ford Fusion, Ford Escape, and related applications.

This part cross-references Dorman - HELP 46034 for the same application.

What It Helps Fix

• Cracked or deteriorated crankcase breather hose
• Vacuum leaks at the PCV valve to intake connection
• Emission system performance issues caused by hose failure
• Improper crankcase ventilation routing
• Hose collapse, hardening, or oil-soaked rubber

Installation Notes and Tips

• Verify the hose route and end style before installation.
• Inspect the PCV valve, intake port, and nearby fittings for wear or contamination.
• Confirm the hose seats fully at both push-in connections.
• Use the vehicle application details to match the PCV valve to intake position.
• Check surrounding vacuum and emission hoses during service to avoid repeat repairs.

Quality Assurance

Gates designs this emission control hose as an OE-exact replacement using high-quality materials for durability and long service life. The EMH151 is built to restore the emission system to desired operation and performance on confirmed applications.