Gates EMH263 Engine Crankcase Breather Hose - Valve Cover To Intake

Overview of Gates Emission Control Hose EMH263

The Gates Emission Control Hose EMH263 is designed specifically for BMW models including the 550i, 650Ci, 650i, 750i, and 750Li. This engine crankcase breather hose ensures proper ventilation within the crankcase ventilation system, helping maintain engine performance and emissions compliance.

• Material: Durable plastic construction
• Inside diameter: 0.472 inches (12 mm)
• Centerline length: 11.25 inches (286 mm)
• End type: Clip on connectors for secure fitment
• Includes protective sleeve for added durability
• Number of hoses: 1 with 1 branch and 3 quick connectors
• Hardware not included

Detailed Product Description

The EMH263 is part of the Gates Emission Control Hose product line, which focuses on delivering reliable components for emission control systems. This particular hose is molded from plastic to provide resistance against heat and chemical exposure typical in engine environments. With a consistent inside diameter of 0.472 inches (12 mm) and a centerline length of 11.25 inches (286 mm), it is engineered to fit precisely within the crankcase ventilation system of select BMW vehicles. The clip-on end types on all three connectors ensure a secure and leak-free connection, while the included protective sleeve helps prevent abrasion and premature wear.

Compatible Vehicles and Applications

This engine crankcase breather hose is compatible with the following BMW models:

• BMW 550i
• BMW 650Ci
• BMW 650i
• BMW 750i
• BMW 750Li

It is designed to maintain proper crankcase ventilation, which is critical for reducing harmful emissions and preventing engine oil contamination.

Common Issues Addressed by EMH263

• Prevents crankcase pressure buildup that can cause oil leaks
• Reduces engine emissions by ensuring proper ventilation
• Eliminates vacuum leaks that affect engine performance
• Protects against hose cracking and deterioration from heat exposure
• Maintains system integrity with secure clip-on connections

Installation Notes and Tips

• Ensure the engine is cool before installation to avoid burns
• Check all clip-on connectors for secure attachment to prevent leaks
• Inspect the protective sleeve for damage and replace if necessary
• Verify hose routing matches OEM specifications to avoid kinks or restrictions
• Hardware is not included; reuse existing clamps if in good condition

Quality Assurance and Warranty

Gates Emission Control Hose products are manufactured to meet or exceed OEM standards for durability and performance. The EMH263 undergoes rigorous quality control to ensure proper fit and function in BMW crankcase ventilation systems. While specific warranty details are not provided, Gates typically offers coverage against manufacturing defects. For detailed warranty information, consult the product documentation or manufacturer.