BorgWarner PAB 145 703 C K03 OEM Turbocharger Left Side Bank 2

The BorgWarner PAB 145 703 C is a genuine OEM K03 turbocharger designed for the 2.9L twin-turbocharged V6 (TFSI) engine platform used across multiple Porsche models. This unit serves the left side (Bank 2, cylinders 5–8) of the twin-turbo configuration and is manufactured by BorgWarner — the original equipment supplier for this engine family.

As an OEM-specification component, this turbocharger is engineered to match factory performance and dimensional tolerances exactly, ensuring a direct bolt-on installation with no modifications required. The K03 features a water-cooled center bearing housing and an integrated pneumatic wastegate actuator for precise boost control.

Key Features:

• Genuine BorgWarner OEM construction — same part supplied to the original vehicle manufacturer
• K03 turbocharger model — engineered for the 2.9L twin-turbo V6 TFSI engine
• Left-side / Bank 2 application — services cylinders 5–8
• Water-cooled bearing housing — promotes longevity and thermal stability
• Pneumatic wastegate actuator included — factory-spec boost management
• Direct OEM replacement — bolt-on fitment, no modifications required
• Note: Contains a related gasket component that cannot be reused or reinstalled upon removal

Cross-Reference / Interchange Part Numbers: PAB-145-703-C, PAB145703C, 06M-145-701-L, 06M-145-701-N, 06M-145-701-T, 06M-145-703-D, 9A7-145-701-00, PAC-145-701, 53039880803, 53039880640, 53039880769, 5303-970-0803, 5303-988-0803

Replace a failing turbocharger with confidence using this genuine BorgWarner unit, restoring factory boost pressure, power output, and reliability to your vehicle's forced induction system.