Gates EMH231 Engine Crankcase Breather Hose - Oil Separator To Dipstick or Oil Separator To Oil Pan

Overview of Gates Emission Control Hose EMH231

The Gates Emission Control Hose EMH231 is designed specifically for BMW models including the 323i, 325i, 330i, 525i, and 530i. This engine crankcase breather hose ensures proper ventilation and emission control, maintaining engine performance and compliance with emission standards.

• Constructed from durable plastic material for reliable performance
• Inside diameters of 0.36 inches (9 mm) and 0.5 inches (13 mm) for precise fitment
• Centerline length of 12 inches (305 mm) for accurate replacement
• Clip-on end types on both ends for secure attachment
• Includes a protective sleeve to enhance hose longevity
• Molded design with two quick connectors for ease of installation
• OE exact comparison rating ensuring factory-level compatibility

About the Gates Emission Control Hose Product Line

The Gates Emission Control Hose line focuses on components that manage crankcase ventilation and emission control systems. This product line is engineered to meet or exceed original equipment specifications, providing reliable sealing and durability under engine operating conditions. The EMH231 hose is part of this line, offering a precise fit and material quality tailored for BMW crankcase breather applications.

Detailed Product Description

The EMH231 engine crankcase breather hose is molded from high-quality plastic, designed to withstand the thermal and chemical stresses found in the crankcase ventilation system. With two clip-on ends and a protective sleeve included, this hose ensures a secure and durable connection between engine components. The dual inside diameters of 0.36 inches and 0.5 inches accommodate specific port sizes on BMW 323i, 325i, 330i, 525i, and 530i models, while the 12-inch centerline length matches OEM specifications for direct replacement. The molded construction and quick connectors simplify installation and reduce the risk of leaks or disconnections.

Common Applications and Issues Addressed

• Replacement of worn or cracked crankcase breather hoses
• Prevention of vacuum leaks affecting engine performance
• Maintaining proper crankcase ventilation to reduce emissions
• Resolving oil vapor leaks that can cause engine bay contamination
• Ensuring compliance with emission control regulations on BMW 3 and 5 Series models

Installation Notes and Tips

When installing the Gates EMH231 hose, ensure both clip-on ends are securely attached to the corresponding ports. The included protective sleeve should be positioned to shield the hose from abrasion and heat exposure. Verify that the hose routing matches OEM specifications to avoid kinks or undue stress. No additional hardware is required for installation, but inspect surrounding components for wear during replacement.

Quality Assurance and Warranty

The Gates Emission Control Hose EMH231 meets OE exact comparison ratings, ensuring compatibility and performance consistent with factory parts. Manufactured with precision molding and quality materials, this hose is designed for durability and reliable operation within the crankcase ventilation system. Warranty coverage details should be confirmed with the product documentation or manufacturer.