Gates EMH708 Engine Crankcase Breather Hose

OE-Exact Crankcase Breather Hose

Restore crankcase ventilation performance with the Gates EMH708 emission control hose. This OE-exact replacement is built from durable plastic and formed to match the original routing and connection style for a clean, factory-style repair on select Chevrolet, GMC, and Cadillac applications.

Gates Emission Control Hose parts are engineered for direct replacement use in emission and crankcase ventilation service, helping maintain proper hose routing and system operation on vehicles such as the Chevrolet Silverado, GMC Sierra, and Cadillac Escalade.

Key Features

• OE Exact grade replacement for factory-style fit and function
• Plastic construction for durability in emission system service
• Clip-on end type for direct connection at the original attachment point
• Protective sleeve included for added abrasion resistance
• Designed for crankcase ventilation and emission control routing
• Gates part number EMH708 for easy identification

Detailed Description

The Gates EMH708 is an engine crankcase breather hose made to restore emission system operation where the original hose has aged, cracked, or lost its seal. With an inside diameter of 7 mm (.3 in) and a centerline length of 806 mm (31.75 in), it follows the OE layout for proper routing and connection. This replacement hose is a practical choice for owners servicing emission control hose issues on Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade models, as well as other listed applications.

This part cross-references GM service applications such as 12621545 and 12705559 for the same application.

What It Helps Fix

• Cracked or brittle crankcase breather hose material
• Loose or damaged clip-on hose connections
• Emission system leaks caused by deteriorated hose routing
• Rough idle or drivability concerns related to ventilation hose failure
• Check engine light conditions tied to emission control hose faults

Installation Notes and Tips

Verify the hose routing, end style, and length against the original part before installation. Inspect nearby fittings and seals for wear, and confirm the protective sleeve is positioned correctly during assembly. This hose is listed for multiple Chevrolet, GMC, and Cadillac models, including 2014-2021 Chevrolet Silverado 1500, 2015-2021 Chevrolet Tahoe, and 2015-2022 Cadillac Escalade applications.

Quality Assurance

Gates manufactures this Emission Control Hose line as an OE-exact replacement solution using high-quality materials for durability and service life. The EMH708 is intended to restore the emission system to proper operation with factory-style fit and function.