Skyward Automotive Products SK917125 Crankcase Ventilation Tube

The Skyward Automotive Products SK917125 Crankcase Ventilation Tube is a direct-fit replacement PCV hose designed to restore proper positive crankcase ventilation system function in select BMW vehicles. This emission control component connects the crankcase to the intake system, allowing blow-by gases to be safely recirculated back into the combustion chamber rather than venting harmful emissions into the atmosphere.

Key Features:

• Durable plastic construction engineered to withstand heat, oil, and pressure
• Quick-connect attachment method for secure, leak-free installation
• Outside diameter: 0.74 inches; Inside diameter: 0.64 inches
• Direct replacement for BMW OEM part number 11157522931
• Cross-reference compatibility with Dorman 917-125
• Meets or exceeds original equipment specifications

A properly functioning crankcase ventilation system is essential for maintaining healthy engine operation, preventing excessive crankcase pressure that can damage seals and gaskets, and ensuring your vehicle passes emissions inspections. Replace worn or cracked PCV tubing at the first sign of leaks to protect your engine and maintain optimal performance.