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The BorgWarner EFR B2 9274 cartridge with an aluminum bearing housing is a replacement rotating assembly for EFR B2 turbo setups, offering a direct‑swap core option. It enables technicians to rebuild or refresh an EFR‑series turbo by replacing the internal cartridge while retaining the turbine and compressor housings, matching the specified 9274 configuration.
BorgWarner Cartridge EFR B2 9274 (Aluminum Bearing Housing)
