Gates EMH693 Engine Crankcase Breather Hose - Valve Cover To Intake Tube

Gates EMH693 Crankcase Breather Hose

The Gates EMH693 is an OE-exact engine crankcase breather hose built for emission control and crankcase ventilation service. It is made from rubber with a protective sleeve to support durability and long service life in demanding underhood conditions.

Compatible with 2019-2025 Nissan Altima applications at the valve cover to intake tube position, this hose helps restore proper emission system routing and airflow. The Gates Emission Control Hose line focuses on direct-fit replacement hoses for emission and ventilation circuits, including the EMH693 for Nissan Altima service.

Key Features

• OE Exact grade replacement for emission control and crankcase ventilation service
• Rubber construction for flexible routing and underhood durability
• Inside diameter: 0.6 in. / 15 mm
• Centerline length: 10 in. / 254 mm
• Push-in end type for direct replacement fitment
• Protective sleeve included for added abrasion resistance
• Fits 2019-2025 Nissan Altima, valve cover to intake tube

Detailed Description

Gates EMH693 is a replacement crankcase breather hose engineered to match OE dimensions and routing for emission control service. It is designed for the valve cover to intake tube connection on 2019-2025 Nissan Altima models, helping maintain the intended crankcase ventilation path and emission system operation. If you are replacing a worn or cracked Nissan Altima breather hose, EMH693 provides a direct-fit service part for this application.

This part cross-references Nissan 118236CA0A for the same application.

Common Issues This Hose Can Address

• Cracked or hardened crankcase breather hose material
• Vacuum leaks at the valve cover to intake tube connection
• Emission system routing problems caused by hose deterioration
• Oil vapor leakage from a damaged ventilation hose
• Rough idle or drivability concerns related to unmetered air entry

Installation Notes and Tips

Inspect the mating ports, surrounding vacuum lines, and intake tube connection before installation. Confirm the hose follows the original routing and that the push-in ends seat fully without twisting or kinking. For Nissan Altima service, verify the valve cover to intake tube path matches the removed hose before final assembly.

Quality Assurance

Gates manufactures this hose as an OE-exact replacement using materials selected for durability and service life in emission control applications. The EMH693 is built to restore the original hose function and fit for 2019-2025 Nissan Altima crankcase ventilation service.