Gates EMH037 Engine Crankcase Breather Hose - PCV Valve To Intake or Valve Cover To Intake

OE-Exact Crankcase Breather Hose for Nissan Altima

Gates EMH037 is an OE-exact engine crankcase breather hose built for crankcase ventilation and emission control service. It uses rubber construction and a push-in end type to restore proper hose routing and sealing in the emission system.

Compatible with Nissan Altima applications from 2019-2025, this Gates emission control hose is shaped for the specified intake and valve cover connections. The EMH037 part number is a direct replacement choice when servicing the PCV-to-intake or valve cover-to-intake hose path on the Nissan Altima.

Key Features

• OE Exact grade replacement for emission control service
• Rubber construction for everyday engine-bay durability
• Inside diameter: 0.37 in. / 9 mm
• Centerline length: 6.06 in. / 154 mm
• Push-in end type for the specified factory-style connection
• Designed for crankcase ventilation and emission hose routing
• Gates EMH037 part number for direct identification

Detailed Product Overview

Gates EMH037 is part of the Gates Emission Control Hose line, a product line focused on OE-exact replacement hoses for crankcase ventilation and emission control systems. This hose is built to replace the original-style breather hose with the correct dimensions and material selection for the application. For Nissan Altima owners, EMH037 supports the factory hose path between the PCV valve and intake on 2019-2022 models and between the valve cover and intake on 2023-2025 models.

This part cross-references 118266CA1C for the same application.

What It Helps Address

• Cracked or hardened crankcase breather hose material
• Vacuum leaks at the PCV or intake hose connection
• Emission system routing issues caused by a deteriorated hose
• Improper crankcase ventilation flow from a worn replacement hose
• Check engine concerns related to hose leakage in the emission path

Installation Notes and Tips

Install EMH037 on the specified Nissan Altima connection points only: Fits 2019-2022 Nissan Altima, PCV Valve To Intake; Fits 2023-2024 Nissan Altima, Valve Cover To Intake; Fits 2025 Nissan Altima, PCV Valve To Intake. Confirm the hose routing, end style, and dimensions before installation so the replacement matches the factory layout.

Inspect adjoining fittings, intake ports, and the PCV valve area for wear or residue before installing the new hose. A clean, properly seated push-in connection helps maintain sealing and consistent crankcase ventilation performance.

Quality Assurance

Gates manufactures this hose as an OE-exact replacement for emission control service, using high-quality materials to support durability and service life in the crankcase ventilation system.