Gates EMH169 Engine Crankcase Breather Hose - PCV Valve To Tube or Valve Cover To Throttle Body

OE-Exact Crankcase Breather Hose

Gates EMH169 is an OE-exact engine crankcase breather hose for emission control and crankcase ventilation service. Built from durable plastic and formed to the specified centerline length and end style, it restores the hose path needed for proper vapor routing in the emission system.

Use this Gates Emission Control Hose line replacement when servicing a worn, cracked, or leaking breather hose on select Chevrolet, Buick, and GMC applications, including Chevrolet Malibu, Chevrolet Impala, Buick Envision, and GMC Acadia.

Key Features

• OE Exact replacement for factory-style fit and routing
• Engine crankcase breather hose for emission control and PCV system service
• Plastic construction for durability and service life
• Clip-on end type for the specified connection style
• Formed to a 10.25 in. centerline length (260 mm)
• Inside diameter specifications: 0.38 in. / 0.65 in. and 10 mm / 17 mm
• Brand line: Gates Emission Control Hose

Detailed Description

Gates EMH169 is part of the Gates Emission Control Hose product line, which focuses on OE-exact crankcase ventilation and emission hose replacement. This hose is built to match the original routing and connection requirements of the factory part, helping maintain proper vapor transfer between the valve cover, PCV system, throttle body, or tube connection depending on application. For buyers searching for a Chevrolet Malibu breather hose, Buick Envision emission control hose, or GMC Acadia PCV hose replacement, EMH169 provides a direct-fit service part for the listed vehicles.

This part cross-references GM 12627132 for the same application.

What It Helps Fix

• Cracked or brittle crankcase breather hose
• Vacuum leaks caused by deteriorated emission hose material
• Improper crankcase ventilation routing
• Oil vapor or emission system flow issues related to hose failure
• Fitment problems from an incorrect-length replacement hose

Installation Notes and Tips

• Verify the hose routing and connection points before removal.
• Match the clip-on end style and formed length to the original hose.
• Inspect adjoining PCV valves, tubes, and throttle body connections for wear or buildup.
• Confirm the vehicle application by year, make, model, and position before installation.

Quality Assurance

Gates designs this emission control hose as an OE-exact replacement to restore factory-style operation and performance. The part is built from high-quality materials for durability and long service life.

• Fits 2021 Chevrolet Blazer, PCV Valve To Tube
• Fits 2017-2021 GMC Acadia, Valve Cover To Throttle Body
• Fits 2017-2020 Buick Envision, Valve Cover To Throttle Body
• Fits 2019-2020 Chevrolet Blazer, Valve Cover To Throttle Body
• Fits 2018-2019 Buick LaCrosse, Valve Cover To Throttle Body
• Fits 2016-2019 Chevrolet Impala, Valve Cover To Throttle Body
• Fits 2016 Chevrolet Malibu Limited, Valve Cover To Throttle Body
• Fits 2013 Chevrolet Malibu, Valve Cover To Throttle Body