Gates EMH183 Engine Crankcase Breather Hose - Valve Cover To Oil Separator

Gates EMH183 Crankcase Breather Hose

The Gates EMH183 is an OE-exact engine crankcase breather hose for the emission control system. Built from rubber with molded push-in ends, it restores the connection between the valve cover and oil separator on select Volvo applications, including Volvo XC90, S60, V70, XC70, S80, and C70 models.

Gates Emission Control Hose components are built for direct-fit replacement in crankcase ventilation and emission routing service. The EMH183 follows OE-style dimensions and hose routing to help maintain proper system operation on Volvo emission control hose applications.

Key Features

• OE-exact replacement for crankcase ventilation and emission control service
• Rubber construction for durability and service life
• Molded hose design with push-in end type at both ends
• Inside diameter: 0.63 in / 16 mm at end 1 and 0.64 in / 16 mm at end 2
• Centerline length: 17.75 in / 451 mm
• OE comparison rating: OE Exact
• Fits valve cover to oil separator routing on select Volvo models

Detailed Description

Gates EMH183 is an engine crankcase breather hose used in the emission control and crankcase ventilation system. Its molded rubber construction and OE-exact dimensions are intended to match the original hose routing and connection points, helping restore proper airflow between the valve cover and oil separator. This part number is a direct replacement choice for Volvo XC90, S60, V70, XC70, S80, and C70 applications where the factory hose has aged, cracked, or lost sealing integrity.

This part cross-references Dorman - HELP 46826 for the same application.

What It Helps Address

• Cracked or brittle crankcase breather hose material
• Oil vapor routing issues in the emission control system
• Loose or leaking push-in hose connections
• Restricted crankcase ventilation flow from a deteriorated hose
• Check-engine concerns related to emission hose leakage on Volvo XC90, S60, V70, XC70, S80, and C70 models

Installation Notes and Tips

Verify the hose routing from the valve cover to the oil separator before installation. Confirm both end connections match the push-in design and compare the centerline length and inside diameters to the original hose. For Volvo S60 applications, note the listed chassis-specific coverage for 2003-2004 models with chassis no. 235000 and after.

Compatible With 2012-2014 Volvo XC90, valve cover to oil separator; 2003-2006 Volvo XC90, valve cover to oil separator; 2001-2009 Volvo S60, valve cover to oil separator; 2001-2007 Volvo V70, valve cover to oil separator; 2003-2007 Volvo XC70, valve cover to oil separator; 2004-2006 Volvo S80, valve cover to oil separator; 2003-2005 Volvo C70, valve cover to oil separator; and 2003-2004 Volvo S60, valve cover to oil separator, chassis no. 235000 & after.

Quality Assurance

Gates manufactures this emission control hose as an OE-exact replacement part for crankcase ventilation service. The EMH183 is built to restore the emission system to proper operation and performance using materials selected for durability and service life.