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The BorgWarner EFR cartridge B2 8474 is the turbocharger cartridge assembly for EFR-series rebuilds, featuring a cast-iron bearing housing for reliable support. It serves as the rotating core and bearing pack replacement when servicing or upgrading an EFR turbo, providing a direct-fit cartridge option that preserves the turbo’s internal architecture while allowing maintenance or repairs.
BorgWarner EFR Cartridge B2 8474 (Cast Iron B. Hsg)
