URO 1160940791 Engine Crankcase Breather Hose

Engine Crankcase Breather Hose for Mercedes-Benz

This URO engine crankcase breather hose restores the crankcase ventilation path on select Mercedes-Benz models. Built from NBR and formed to match OE routing, it helps maintain proper hydrocarbon vapor control when the original hose has cracked, split, or hardened.

• URO Part Number 1160940791 for direct replacement use
• NBR construction resists engine heat and oil vapor exposure
• Molded hose design for OE-style routing and fitment
• Two hose connectors with 0.837 in and 0.71 in inside diameters
• One branch configuration for the specified crankcase ventilation layout
• Replacement for failed OE hose that can restore breather function
• 24-month unlimited mileage warranty

OE-Style Fitment and Construction

URO 1160940791 is an engine crankcase breather hose for Mercedes-Benz applications in the 1981-1991 model years. It is listed for 1981 Mercedes-Benz 380SLC, 1981-1985 Mercedes-Benz 380SL, 1981-1983 Mercedes-Benz 380SEL, 1982-1983 Mercedes-Benz 380SEC, 1984-1985 Mercedes-Benz 380SE, 1984-1985 Mercedes-Benz 500SEC, 1984-1985 Mercedes-Benz 500SEL, 1986-1991 Mercedes-Benz 420SEL, 1986-1991 Mercedes-Benz 560SEC, 1986-1991 Mercedes-Benz 560SEL, and 1986-1989 Mercedes-Benz 560SL. This part number 1160940791 is also cross-referenced to Gates EMH131 for the same application.

Common Problems This Hose Can Address

• Cracked or split crankcase breather hose
• Oil vapor leaks at the ventilation hose connection
• Restricted crankcase ventilation flow from a deteriorated hose
• Hardening or collapse of the original rubber hose
• Improper hydrocarbon vapor control caused by hose failure

Installation Notes

Verify the hose routing against the original Mercedes-Benz layout before installation. This molded hose is intended for the valve cover to air filter housing path on listed applications, including Mercedes-Benz 380SL and Mercedes-Benz 560SL models where noted. Check connector diameters and branch orientation against the removed part to confirm proper seating and alignment.

Quality Assurance

URO 1160940791 uses NBR material selected for resistance to heat and oil vapor, helping the hose maintain its shape and sealing performance in crankcase ventilation service. It is backed by a 24-month unlimited mileage warranty and listed with guaranteed fitment for the specified Mercedes-Benz applications.