Gates EMH091 Engine Crankcase Breather Hose

Reliable Engine Crankcase Breather Hose for GM Vehicles

The Gates EMH091 Engine Crankcase Breather Hose is designed to maintain proper ventilation in your vehicle's crankcase system. Engineered with durable rubber material and precise dimensions, this hose supports emission control in select Buick, Cadillac, Chevrolet, and Pontiac models.

• Constructed from high-quality rubber for durability and flexibility
• Inside diameters of 0.35 inches (9 mm) and 0.45 inches (11 mm) for secure fitment
• Centerline length of 6 inches (152 mm) to match OEM specifications
• Clip-on end types on both ends for easy installation
• OE exact replacement ensuring proper fit and function
• Single hose design without branches or quick connectors

About the Gates Emission Control Hose Product Line

The Gates Emission Control Hose line focuses on components that support vehicle emission systems, including crankcase ventilation. These hoses are molded to meet exact OEM standards, providing reliable performance and compatibility. The EMH091 is part of this line, designed specifically to maintain emission control integrity in various GM vehicles.

Product Details and Specifications

The EMH091 Engine Crankcase Breather Hose features a molded rubber construction that resists wear and environmental factors. It has two different inside diameters—0.35 inches (9 mm) on one end and 0.45 inches (11 mm) on the other—to ensure a proper seal with corresponding engine components. The 6-inch (152 mm) centerline length matches original equipment dimensions, and clip-on ends facilitate secure attachment without additional hardware. This hose is intended for use in emission control systems, specifically within the crankcase ventilation setup.

Compatible Vehicles and Applications

• Buick LaCrosse and Lucerne models requiring crankcase breather hose replacement
• Cadillac CTS and other compatible GM vehicles
• Chevrolet Camaro, Corvette, and Impala models with emission control needs
• Pontiac Grand Prix, GTO, and Monte Carlo models

Common Issues Addressed by the EMH091 Hose

• Crankcase pressure buildup causing engine performance issues
• Oil vapor leaks leading to increased emissions
• Cracked or hardened breather hoses affecting ventilation
• Failed emission control components triggering check engine lights
• Replacement of worn or damaged hoses to maintain system integrity

Installation Notes and Tips

Ensure the engine is cool before beginning installation. The clip-on ends allow for straightforward attachment to existing fittings without the need for clamps or additional hardware. Verify the hose orientation matches the original part, noting the differing inside diameters for proper connection. Inspect surrounding components for wear or damage during replacement.

Quality Assurance and Warranty

The Gates EMH091 hose meets OE exact standards for fit and function, providing reliable service in emission control systems. Manufactured with molded rubber, it offers durability under typical engine conditions. While specific warranty details are not provided, Gates products generally adhere to industry quality standards for automotive replacement parts.