Genuine 99071AB740 PCV Valve Hose

The Genuine 99071AB740 is an OE replacement vacuum hose designed for the positive crankcase ventilation (PCV) system in select Subaru vehicles. This factory breather hose plays a critical role in your vehicle's emission control system by routing crankcase vapors from the valve cover to the intake manifold for proper combustion and reduced emissions.

Key Features:

• Genuine Subaru OEM part ensures precise fit and durability
• Direct replacement for worn or cracked PCV hoses
• Maintains proper crankcase ventilation to prevent pressure buildup
• Prevents oil leaks and rough idle caused by PCV system failure
• Constructed from high-quality materials for long service life

A failing PCV hose can cause rough idle, stalling, excessive oil consumption, and decreased engine performance. Regular inspection and replacement of this component ensures optimal engine operation and emissions compliance. This genuine replacement part guarantees the same quality and reliability as the original equipment installed at the factory.