Genuine PAC121071A Engine Coolant Crossover Pipe

The Genuine Porsche PAC121071A is an OEM engine coolant crossover pipe, also referred to as a coolant crossover tube or crossover line. This factory-original component is engineered to balance coolant flow between cylinder banks, maintaining proper thermal management across the engine.

Key Features:

• Factory-original Genuine Porsche OEM part — built to exact production specifications
• Functions as the coolant crossover tube between cylinder banks for balanced engine cooling
• Direct-fit replacement with no modifications required
• Backed by a 2-year, unlimited mileage parts warranty
• Supersedes part numbers: PAC-121-071 and 9A712107120

Important: Related sealing components including the gasket and O-ring are not reusable once removed and should be replaced at the time of installation.

A failed or leaking coolant crossover line can result in coolant loss and engine overheating. Restoring the system with a genuine OEM replacement ensures the same fit, function, and durability as the original factory part.