BorgWarner SuperCore Assembly EFR B2 9274 (Aluminum B. Hsg)

This BorgWarner SuperCore assembly is selected by exact manufacturer part number 12747100021 and complete turbo-system specifications. Confirm every wheel, housing, flange, A/R, connection, orientation, and wastegate requirement before ordering.

Key Features

• Forged Billet Compressor Wheel: 74.3mm inducer 92mm exducer extended tip design delivers 110+ lb/min flow for massive power while maintaining quick response.
• Dual Ball Bearing CHRA: Aluminum B2 housing with ceramic balls provides low friction 150000 RPM capability and instant boost buildup.
• Gamma-Ti Turbine Wheel: 99mm inducer 74mm exducer resists 1050C exhaust gas temps for reliability in high-heat applications.
• T4 Divided Turbine Housing: 0.85 A/R V-band flanges optimize twin-scroll flow for balanced spool and top-end power.
• Lightweight aluminum B2 frame size with dual ceramic ball bearings for reduced weight and high RPM.
• Supply clean 90wt oil and coolant connections to bearing housing.

Fitment

Specifications

What’s Included

One new BorgWarner product in the exact configuration identified by manufacturer part number 12747100021. Gaskets, lines, clamps, housings, actuators, sensors, hardware, and companion components are included only when expressly stated for this part number.

About BorgWarner

BorgWarner develops original-equipment and performance turbocharging systems, including EFR, AirWerks, S-Series, K-Series, SuperCore assemblies, housings, cartridges, actuators, and service components.

Related BorgWarner Products

• BorgWarner SuperCore Assembly EFR B2 7670 (Aluminum B. Hsg)
• BorgWarner SuperCore Assembly EFR B2 8474 (Aluminum B. Hsg)
• BorgWarner SuperCore Assembly EFR B2 9274 (Cast Iron B. Hsg)

Browse the BorgWarner collection for related turbochargers, housings, assemblies, actuators, and service components.

Frequently Asked Questions

How do I confirm this BorgWarner part matches my turbo system?
Match the exact BorgWarner part number, turbo family, compressor and turbine wheel sizes, housing A/R, flange, inlet and outlet geometry, bearing housing, wastegate configuration, and every connection before ordering.

Is this BorgWarner SuperCore assembly a direct replacement?
Only when the exact part number, dimensions, housings, flanges, rotation, wastegate configuration, oil and coolant connections, and vehicle or system application all match. Similar turbo families are not automatically interchangeable.

What supporting parts should be inspected during installation?
Inspect or replace the oil feed and drain, coolant lines, gaskets, fasteners, intake and charge piping, intercooler, exhaust connections, wastegate hardware, and filtration components. Correct the cause of the previous turbo failure before startup.

Installation Instructions

Follow BorgWarner’s current instructions and the vehicle or system service information for this exact part number. Verify every interface before disassembly, correct the cause of any prior turbo failure, prime the oil system, keep debris out of all passages, use new required seals and fasteners, confirm free rotation and line routing, and check for leaks before load. Professional turbo-system installation and calibration are recommended.