URO 1190901982 Engine Crankcase Breather Hose

Overview of URO Engine Crankcase Breather Hose

The URO 1190901982 engine crankcase breather hose is designed for select Mercedes-Benz models including the CL500, E420, S420, S500, and SL500. This molded NBR hose ensures reliable crankcase ventilation by maintaining proper airflow and pressure balance within the engine system.

• Constructed from durable NBR material for heat and chemical resistance
• Molded design with one branch for precise fitment
• End 1 inside diameter: 0.63 inches
• End 2 inside diameter: 0.71 inches
• Equipped with two hose connectors for secure attachment

Detailed Product Description

The URO 1190901982 crankcase breather hose is engineered to meet the specifications required by Mercedes-Benz vehicles such as the CL500, E420, S420, S500, and SL500. Made from nitrile butadiene rubber (NBR), this hose offers resistance to oil, heat, and other engine fluids, ensuring long-lasting performance. Its molded construction provides a precise shape that fits securely within the crankcase ventilation system, reducing the risk of leaks or disconnections. The hose features two connectors and a single branch, with end diameters of 0.63 and 0.71 inches, designed to match OEM standards for optimal airflow and pressure regulation.

Common Applications and Issues Addressed

• Prevents crankcase pressure buildup that can cause oil leaks
• Maintains proper ventilation to reduce engine sludge formation
• Eliminates vacuum leaks that may trigger check engine lights
• Supports emission control by routing blow-by gases correctly
• Replaces cracked or hardened hoses that compromise engine performance

Installation Notes and Tips

When installing the URO 1190901982 breather hose on Mercedes-Benz CL500, E420, S420, S500, or SL500 models, ensure the hose connectors are firmly seated to prevent air leaks. Inspect surrounding components for wear or damage during replacement. It is recommended to use OEM specifications for torque and hose routing to maintain system integrity.

Quality Assurance and Warranty

URO parts are manufactured to meet or exceed OEM standards, providing reliable performance for emission control systems. While specific warranty details for part number 1190901982 are not provided, URO products typically come with a limited warranty against defects in material and workmanship. Refer to the product documentation or supplier for exact warranty terms.