BorgWarner SX-E Style Cover EFR-8374

This BorgWarner compressor cover is selected by exact manufacturer part number 12831013012 and complete turbo-system specifications. Confirm every wheel, housing, flange, A/R, connection, orientation, and wastegate requirement before ordering.

Key Features

• Investment Cast Aluminum: Lightweight at 4.2 lbs resists heat and maintains shape under boost.
• 0.82 A/R Ratio: Balances response and top-end flow for 350-700hp street and track use.
• Direct Bolt-On Fit: Matches EFR-8374 center section with factory tolerances for leak-free seal.
• Weight: 4.2 lbs product 6 lbs shipped.
• Ball-bearing EFR series sets benchmark for durability and flow.
• Precision machined components ensure zero play after thousands of miles.

Fitment

Specifications

What’s Included

One new BorgWarner product in the exact configuration identified by manufacturer part number 12831013012. 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 SX-E Style Cover EFR-7163
• BorgWarner SX-E Style Cover EFR-7670
• BorgWarner S300 SX-E (360 Thrust) Turbo Repair Kit

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 compressor cover 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.