Gates EMH230 Engine Crankcase Breather Hose - Valve Cover To Intake

Overview of Gates Emission Control Hose EMH230

The Gates Emission Control Hose EMH230 is a precision-engineered engine crankcase breather hose designed for select BMW models. This plastic molded hose ensures reliable crankcase ventilation, helping maintain optimal engine performance and emission control.

• Material: Durable plastic construction
• Inside diameters: 0.445 inch (11 mm) and 0.461 inch (12 mm)
• Centerline length: 22.5 inches (572 mm)
• End type: Clip on for secure attachment
• Includes protective sleeve for added durability
• Single branch design
• Hardware not included

About the Gates Emission Control Hose Product Line

The Emission Control Hose line by Gates focuses on components critical to the crankcase ventilation system, designed to meet OEM specifications. This product line emphasizes molded plastic hoses that provide precise fitment and durability, ensuring proper emission control and engine breather function. The EMH230 is part of this line, engineered specifically for BMW vehicles requiring reliable crankcase breather hose replacement.

Detailed Product Description

The Gates EMH230 engine crankcase breather hose is molded from high-quality plastic to resist heat and chemical exposure typical in engine compartments. It features multiple inside diameters—0.445 inch (11 mm) and 0.461 inch (12 mm)—to accommodate specific connection points within the crankcase ventilation system. The 22.5-inch (572 mm) centerline length provides an exact fit for proper routing. Both ends utilize clip-on fittings to ensure secure and leak-free connections. A protective sleeve is included to guard against abrasion and environmental damage, extending the hose's service life. This hose is compatible with various BMW models including the 128i, 328i, 328i xDrive, 328xi, 528i, 528i xDrive, 528xi, X3, X5, and Z4.

Common Applications and Issues Addressed

• Replacement of cracked or brittle crankcase breather hoses
• Resolving vacuum leaks causing rough idle or poor engine performance
• Preventing oil vapor leaks that can trigger emission system faults
• Maintaining proper crankcase pressure to avoid engine damage
• Ensuring compliance with emission control standards on BMW 3 Series and 5 Series models

Installation Notes and Tips

• Verify hose routing matches OEM specifications for your BMW model
• Ensure clip-on ends are fully seated to prevent leaks
• Inspect surrounding components for wear or damage during installation
• Use the included protective sleeve to prevent abrasion against engine parts
• Do not reuse old hardware; new hardware is not included with this hose

Quality Assurance and Warranty

Gates manufactures the EMH230 hose to meet strict quality standards, ensuring durability and performance in emission control systems. The hose is molded for consistent dimensions and reliable fitment. While hardware is not included, the product is backed by Gates' quality assurance protocols. Please consult Gates or your parts provider for specific warranty details related to this part.