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Breather Line For Turbocharger, Cylinders 4-6. Porsche 991.1 / 991.2 Turbo / GT2 RS 2014-19 › 9A110724274
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
- Porsche 991.2 GT2 RS 3.8L PDK (700 bhp) 2018-19
The breather line for the turbocharger (cylinders 4–6) is a key component of the engine crankcase ventilation and turbo system, designed to route blow-by gases and oil vapours safely away from the engine and turbocharger assembly. This line ensures proper pressure regulation and helps prevent oil contamination within the intake and turbo system.
Fits:
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
- Porsche 991.2 GT2 RS 3.8L PDK (700 bhp) 2018-19
Diagram Ref No 16
What This Product Does:
- Channels blow-by gases from cylinders 4–6 to the intake/turbo system
- Regulates crankcase pressure in turbocharged engines
- Prevents oil vapour buildup and contamination
- Supports efficient combustion and emissions control
Symptoms Of Wear Or Failure:
- Cracked, brittle, or damaged hose
- Oil leaks or residue around the turbo area
- Whistling noises caused by vacuum leaks
- Rough idle or engine performance issues
- Increased oil consumption
- Check engine light related to ventilation faults
Why Replacement Matters:
- Ensures proper crankcase ventilation and pressure balance
- Prevents oil leaks and vacuum leaks
- Maintains optimal turbocharger performance
- Reduces oil contamination in the intake system
- Helps avoid costly engine and turbo damage
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A110724274
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