Gates EMH052 Engine Crankcase Breather Hose - Valve Cover To Intake or Valve Cover To Intake Tube

OE-Exact Crankcase Breather Hose

Gates EMH052 is an OE-exact engine crankcase breather hose for emission control service. Built from rubber and plastic with a push-in end and protective sleeve, it restores the crankcase ventilation path between the valve cover and intake on select Lexus and Toyota applications.

Compatible With Lexus ES350, RX350, RX350L, RX450h, RX450hL and Toyota Camry, Avalon, Highlander, and Sienna applications where the factory hose routes from the valve cover to the intake tube.

Key Features

• OE-exact replacement for crankcase ventilation and emission control service
• Rubber and plastic construction for durability and service life
• Push-in end type for factory-style connection
• Protective sleeve included for added hose protection
• Single hose configuration with no branch sections
• Gates Emission Control Hose line for direct-fit emission system service

Detailed Description

This Gates emission control hose is engineered to replace the original crankcase breather hose on vehicles that route vapors from the valve cover to the intake system. The EMH052 follows OE dimensions with a 0.5-inch inside diameter and 19-inch centerline length, helping maintain the intended crankcase ventilation path and emission system operation. It is a direct replacement for applications such as 2024-2025 Lexus ES350, 2016-2022 Lexus RX350, 2016-2022 Lexus RX450h, 2018-2022 Toyota Camry, 2017-2022 Toyota Highlander, and 2017-2020 Toyota Sienna.

This part cross-references 1226231190 for the same application.

What It Helps Address

• Cracked or hardened breather hose material
• Vacuum leaks at the crankcase ventilation connection
• Restricted vapor flow between the valve cover and intake
• Emission system faults related to hose deterioration
• Oil vapor routing issues caused by a damaged factory hose

Installation Notes and Tips

Verify the hose routing, end style, and centerline length against the original part before installation. Confirm the valve cover-to-intake or valve cover-to-intake tube layout on your Lexus ES350, RX350, or Toyota Camry application, and inspect adjoining fittings for wear or contamination. A proper push-in fit is important for sealing and stable crankcase ventilation performance.

Quality Assurance

Gates positions the Emission Control Hose line as an OE-style replacement solution built from high-quality materials for durability and service life. EMH052 is made to restore factory emission hose function on the listed Lexus and Toyota applications.