Genuine 1170940191 Engine Crankcase Breather Hose

Engine Crankcase Breather Hose for Mercedes-Benz 300SEL

This Genuine engine crankcase breather hose is a direct-fit emission control component for the crankcase ventilation system. It is listed for 1972-1973 Mercedes-Benz 300SEL applications with Idle Adjuster Housing fitment, making it a focused replacement for the correct vehicle and location.

Key Features

• Genuine replacement part for the crankcase ventilation system
• Engine crankcase breather hose application
• Fits 1972-1973 Mercedes-Benz 300SEL, N/A, Idle Adjuster Housing
• Part number 1170940191 for accurate ordering and lookup
• Built for emission control service on classic Mercedes-Benz models

Detailed Description

Part number 1170940191 is an engine crankcase breather hose used in the emission control system to route crankcase vapors through the proper ventilation path. For 1972-1973 Mercedes-Benz 300SEL vehicles, this Genuine hose is specified for the Idle Adjuster Housing location, helping maintain the original routing and fitment expected on the vehicle. If you are searching for a Mercedes-Benz 300SEL crankcase breather hose or a 1170940191 replacement for 1972-1973 models, this part matches the listed application.

This part cross-references no additional part numbers in the provided data.

What It Is Used For

• Replacing a cracked or hardened crankcase breather hose
• Restoring proper crankcase ventilation routing
• Addressing vacuum or vapor leakage at the breather connection
• Correcting emission control hose deterioration on classic Mercedes-Benz 300SEL models
• Maintaining the original Idle Adjuster Housing hose path

Installation Notes and Tips

Verify the vehicle year, model, and Idle Adjuster Housing location before installation. Inspect adjoining ventilation fittings and hose connections for wear, oil saturation, or brittleness so the replacement hose seals correctly. Confirm the part number 1170940191 against the existing component when ordering for a 1972-1973 Mercedes-Benz 300SEL.

Quality Assurance

Genuine parts are selected to match the listed OE application for the specified vehicle fitment. This listing is tied to the confirmed 1972-1973 Mercedes-Benz 300SEL application and part number 1170940191.