URO 156-010-03-70 Engine Crankcase Breather Pipe with Valve

The URO 156-010-03-70 is a replacement crankcase breather pipe assembly designed for Mercedes-Benz high-performance AMG engines. This component serves as part of the partial load crankcase ventilation system, helping to regulate blow-by gases and maintain proper engine operation.

Key Features:

• Removes unwanted blow-by gases from the crankcase through a controlled ventilation system
• Prevents damaging pressure buildup in the crankcase that could cause blown gaskets and engine damage
• Manufactured by URO Parts, a company specializing in quality replacement parts with over 8,000 products in their inventory
• Includes integrated hose assembly for direct installation
• OEM equivalent part number 1560100370

The breather valve acts as a flame arrester and check valve to prevent positive pressure from the intake system from entering the crankcase, which is especially important in turbocharged and supercharged applications. Proper crankcase ventilation prevents combustion gases from mixing with oil and causing sludge buildup inside the engine.

This URO replacement part provides reliable performance at a value price point compared to OEM alternatives while maintaining proper fitment and function for Mercedes-Benz vehicles.