Gates EMH297 Engine Crankcase Breather Hose - Valve Cover To Valve Cover

Reliable Engine Crankcase Breather Hose for Nissan and Infiniti

The Gates Emission Control Hose EMH297 is designed to maintain proper crankcase ventilation in select Nissan and Infiniti vehicles. Engineered from durable rubber with precise dimensions, this breather hose ensures efficient emission control and engine performance.

• Constructed from high-quality rubber material for durability and flexibility
• Inside diameter of 0.43 inches (11 mm) for consistent airflow
• Centerline length of 12.75 inches (324 mm) for exact fitment
• Push-in end types on both ends for secure and easy installation
• Includes a protective sleeve to guard against abrasion and heat
• OE exact comparison rating for reliable replacement

About the Gates Emission Control Hose Product Line

The Gates Emission Control Hose line focuses on components that support the crankcase ventilation system, helping to reduce harmful emissions and maintain engine efficiency. The EMH297 is part of this line, offering a molded rubber hose designed to meet original equipment specifications for Nissan Altima, Maxima, Murano, Pathfinder, Quest, QX60, and Infiniti JX35 models.

Detailed Product Description

This engine crankcase breather hose features a molded rubber construction that resists cracking and deterioration from heat and chemical exposure. Both ends utilize push-in fittings, providing a secure connection without the need for additional clamps or hardware. The hose’s 0.43-inch inside diameter and 12.75-inch centerline length ensure compatibility with the specified Nissan and Infiniti models. A protective sleeve is included to enhance durability by shielding the hose from abrasion and external damage.

Common Applications and Issues Addressed

• Replacement of worn or cracked crankcase breather hoses in Nissan Altima and Maxima
• Restoring proper ventilation in Infiniti JX35 and QX60 crankcase systems
• Preventing vacuum leaks that can cause rough idling or engine performance issues
• Reducing harmful emissions by maintaining effective crankcase ventilation
• Eliminating oil vapor leaks that may lead to engine bay contamination

Installation Notes and Tips

• Ensure both push-in ends are fully seated to prevent air leaks
• Inspect the protective sleeve for damage before installation
• Verify hose length and diameter match OEM specifications for your vehicle
• Replace any associated clamps or fittings if worn or damaged

Quality Assurance and Warranty

The Gates EMH297 hose meets OE exact comparison standards, ensuring reliable fit and function. Manufactured with quality materials and precision molding, this hose is designed to provide consistent performance in emission control systems. Warranty details should be confirmed with the product documentation or manufacturer.