Gates EMH091 Engine Crankcase Breather Hose

Gates EMH091 Crankcase Breather Hose

Gates EMH091 is an OE-exact engine crankcase breather hose for emission control and crankcase ventilation service. Built from rubber with molded, clip-on ends, it restores the factory-style hose routing used on select Chevrolet, Cadillac, Pontiac, and Buick applications.

The Gates Emission Control Hose line focuses on direct-fit replacement hoses that match original equipment dimensions and connection style. EMH091 is a molded hose with a 6-inch centerline length, 9 mm inside diameter at one end, and 11 mm at the other for a precise fit in the emission system.

• OE Exact replacement for crankcase ventilation and emission control routing
• Rubber construction for durability and service life
• Molded hose design with clip-on ends
• Centerline length: 6 in. (152 mm)
• Inside diameters: 9 mm (.35 in.) and 11 mm (.45 in.)
• OE comparison rating: OE Exact
• Brand line: Gates Emission Control Hose

Fitment and Application Details

Compatible with select GM V8 applications that use a lifter valley cover to intake manifold emission hose. Fits 2014-2015 Chevrolet Camaro, N/A; Fits 2004-2013 Chevrolet Corvette, N/A; Fits 2008-2009 Buick LaCrosse, N/A; Fits 2007-2009 Chevrolet Impala, N/A; Fits 2007-2008 Pontiac Grand Prix, N/A; Fits 2004-2007 Cadillac CTS, N/A; Fits 2007 Chevrolet Monte Carlo, N/A; Fits 2004-2006 Pontiac GTO, N/A. Gates EMH091 is also a direct reference for the same application on these vehicles.

What This Hose Helps Address

• Cracked or hardened crankcase breather hose material
• Emission system leaks at the hose connection points
• Improper crankcase ventilation routing
• Vacuum-related drivability issues tied to hose deterioration
• Restoration of factory-style emission hose fitment

Installation Notes and Quality Assurance

Verify the inside diameter, molded shape, and clip-on end style against the original hose before installation. This part is intended for direct replacement on the listed Chevrolet Camaro, Chevrolet Corvette, Buick LaCrosse, Chevrolet Impala, Pontiac Grand Prix, Cadillac CTS, Chevrolet Monte Carlo, and Pontiac GTO applications. No hardware or protective sleeve is included.

Gates manufactures this hose as an OE-exact replacement using materials selected for durability and service life. Part number EMH091 is built to restore the emission system to proper operation and maintain factory-style hose routing.