BorgWarner 11657934387 Turbocharger with Integrated Exhaust Manifold OEM Replacement

BorgWarner OEM Replacement Turbocharger with Integrated Exhaust Manifold — part number 11657934387 — is a factory-grade forced induction assembly engineered to restore original boost performance and engine efficiency. This unit features an integrated exhaust manifold design, combining two components into a single precision assembly for a clean, direct-fit installation.

Key Features:

• Direct OEM replacement turbocharger with integrated exhaust manifold
• Includes internal wastegate for optimal boost pressure control and over-pressurization prevention
• Engineered to meet or exceed original equipment specifications
• Precision-balanced turbine and compressor wheels for reliable boost delivery
• Oil- and coolant-cooled design for thermal stability and long service life
• BorgWarner OEM-quality construction — the same supplier trusted by major vehicle manufacturers worldwide

Part Numbers & Cross References:

• OEM Part Number: 11657934387
• Also Referenced As: 11657934389, 11618689501
• BorgWarner MFG Number: 18559880116

Replacing a worn or failing turbocharger promptly is essential to preventing secondary engine damage. Common failure symptoms include excessive exhaust smoke, reduced power output, poor fuel economy, and inability to build boost. This assembly provides a straightforward path to restoring factory performance levels.