Gates EMH197 Engine Crankcase Breather Hose - Air Intake Boot To Idle Valve

Overview of Gates Emission Control Hose EMH197

The Gates Emission Control Hose EMH197 is designed specifically for BMW models including the 320i, 323i, 328i, 328is, M3, and Z3. This engine crankcase breather hose ensures proper ventilation and emission control, maintaining engine performance and compliance with emission standards.

• Durable rubber construction for flexibility and longevity
• Exact OE comparison rating for reliable fit and function
• Push-in end types on both ends for secure connections
• Centerline length of 13 inches (330 mm) for precise fitment
• Dual inside diameters: 0.685 inch (17 mm) and 1 inch (25 mm) to match OEM specifications
• Single hose quantity, molded design for consistent quality

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 OEM standards, providing reliable performance in emission-sensitive applications. The EMH197 hose is part of this line, offering a molded rubber design that supports effective crankcase breather function in select BMW vehicles.

Detailed Product Description

The EMH197 engine crankcase breather hose is constructed from high-quality rubber, providing the necessary flexibility and durability to withstand engine bay conditions. It features a molded design with push-in ends on both sides, ensuring a secure and leak-free connection. The hose measures 13 inches (330 mm) in centerline length, with two inside diameters—0.685 inch (17 mm) and 1 inch (25 mm)—to match the specific requirements of the crankcase ventilation system in BMW 320i, 323i, 328i, 328is, M3, and Z3 models. This part is supplied as a single hose without additional hardware or protective sleeves, reflecting the OEM configuration for straightforward replacement.

Common Applications and Issues Addressed

• Prevents crankcase pressure buildup by allowing proper ventilation
• Reduces harmful emissions by maintaining emission control system integrity
• Eliminates vacuum leaks that can cause rough idling or engine performance issues
• Replaces cracked or hardened hoses that may lead to oil leaks or contamination
• Supports compliance with emission regulations in BMW 3 Series and Z3 models

Installation Notes and Tips

• Ensure engine is cool before removing the old hose to avoid burns
• Check both push-in ends for secure seating to prevent leaks
• Inspect surrounding components for wear or damage during installation
• Use OEM specifications to verify correct hose orientation and routing
• No additional hardware is required for installation with this hose

Quality Assurance and Warranty

The Gates EMH197 hose carries an OE exact comparison rating, ensuring it meets original equipment standards for fit, form, and function. Manufactured with precision molding techniques and high-grade rubber, this hose is built to provide consistent performance in emission control systems. While specific warranty details are not provided, Gates products typically adhere to industry quality standards and are backed by the brand's commitment to durability and reliability.