BorgWarner 53249887005 Turbocharger - Left

BorgWarner Turbocharger for Porsche 911

This BorgWarner turbocharger is an OE-quality replacement built for specific Porsche 911 applications with left-side fitment. It uses a journal bearing design and matches vehicles originally equipped with OE part number 99612398371, including Porsche 911 models from 2001-2005 and 2002-2005.

Key Features

• Brand: BorgWarner aftermarket service turbocharger
• Part number: 53249887005
• Journal bearing construction
• Left-side position
• Direct replacement for applications using OE No. 99612398371
• Compatible with Porsche 911 Powerkit 331/340 kW applications
• Fits Porsche 911 turbocharger applications for 2001-2005 and 2002-2005 model years

Detailed Description

BorgWarner 53249887005 is a turbocharger for Porsche 911 vehicles that require a left-side unit and OE reference 99612398371. BorgWarner supplies turbocharger technology to many OEM vehicle brands, and this aftermarket service part brings OE-style fitment to the Porsche 911 platform without changing the original application requirements. The journal bearing design supports the factory-style turbocharger setup used on these vehicles.

This part number 53249887005 is listed for 2002-2005 Porsche 911, left, with OE No. 99612398371, as well as 2001-2005 Porsche 911, left, with Powerkit 331/340 kW and OE No. 99612398371. If you are replacing a worn Porsche 911 turbocharger, verifying the OE number and left-side location is essential before ordering.

What This Turbocharger Helps Address

• Loss of boost pressure from a worn turbocharger assembly
• Excessive shaft play or bearing wear in the original unit
• Reduced engine response under acceleration
• Oil leakage associated with turbocharger wear
• Replacement needs for Porsche 911 left-side turbocharger service

Installation Notes and Tips

Confirm the vehicle’s OE number, left-side location, and engine configuration before installation. This turbocharger does not include mounting hardware, a gasket or seal, or a mounting bracket, so those items must be sourced separately if required by the repair. Inspect oil supply and return lines, intercooler plumbing, and related seals during service to help prevent repeat failure.

Quality Assurance

BorgWarner is a major turbocharger supplier to OEM vehicle brands and offers aftermarket service turbochargers built for OE-level application matching. Part number 53249887005 is engineered for the specified Porsche 911 fitment and cross-references OE part number 99612398371 for the same application.