Gates EMH227 Engine Crankcase Breather Hose - Valve Cover To Intake (Left)

Overview of Gates Emission Control Hose EMH227

The Gates Emission Control Hose EMH227 is designed for precise fitment in select BMW models, including the 545i, 645Ci, 745i, 745Li, and X5. This engine crankcase breather hose ensures proper ventilation within the crankcase ventilation system, maintaining engine performance and emission standards.

• Material: Durable plastic and rubber construction
• Inside Diameter: 0.47 inches (12 mm) on both ends
• Centerline Length: 17 inches (432 mm)
• End Type: Clip on connectors on both ends for secure attachment
• Includes one hose with two quick connectors
• Molded design for exact OE fit
• OE Comparison Rating: OE exact

About the Gates Emission Control Hose Product Line

The Gates Emission Control Hose line focuses on components critical to the crankcase ventilation system, designed to meet or exceed original equipment specifications. The EMH227 hose is part of this line, engineered to provide reliable emission control by maintaining proper crankcase pressure and preventing harmful vapors from escaping into the atmosphere. This product line emphasizes durability and precise fitment for specific vehicle applications.

Detailed Product Description

The EMH227 engine crankcase breather hose is constructed from a combination of plastic and rubber materials, offering flexibility and resistance to heat and chemical exposure typical in engine environments. With a consistent inside diameter of 0.47 inches (12 mm) and a centerline length of 17 inches (432 mm), this hose is molded for an exact fit, ensuring compatibility with the crankcase ventilation system of BMW 545i, 645Ci, 745i, 745Li, and X5 models. Both ends feature clip-on connectors, facilitating secure and straightforward installation without the need for additional hardware or protective sleeves.

Common Applications and Issues Addressed

• Prevents crankcase pressure buildup that can cause engine oil leaks
• Maintains proper ventilation to reduce harmful emissions
• Replaces cracked or brittle breather hoses that compromise engine performance
• Helps avoid vacuum leaks that can lead to rough idling or stalling
• Supports compliance with emission control regulations

Installation Notes and Tips

• Ensure the engine is cool before installation to avoid injury
• Verify the hose length and diameter match the original part for proper fit
• Use the clip-on ends to secure the hose firmly to the crankcase and intake manifold connections
• Inspect surrounding components for wear or damage during replacement
• No additional hardware or protective sleeves are required for installation

Quality Assurance and Warranty

The Gates Emission Control Hose EMH227 is manufactured to meet OE exact standards, ensuring reliable performance and durability. Gates products typically come with a limited warranty against defects in material and workmanship; please refer to official Gates documentation for specific warranty details. This hose is designed to maintain emission control system integrity and support long-term engine health.