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The BorgWarner EFR 9174 cartridge with an iron bearing housing supplies the rotating core for EFR‑series turbochargers, letting builders replace worn internals without changing outer housings. This cartridge option is specified for regenerating or upgrading turbo assemblies that accept the EFR 9174 configuration, providing the assembled rotor and bearing package needed for forced‑induction repairs.
BorgWarner Cartridge EFR 9174 (Iron Bearing Housing)
