2017 Buick Regal. Part Type: HVAC Blower Motor. 2011 Buick Regal. 2012 Buick Regal Submodel: Base; Engine: 2.4L L4 FLEX Naturally Aspirated; EngineCode: LEA; EngineVIN: K; FuelSystem: MFI;. 2012 Buick Regal Submodel: Base; Engine: 2.4L L4 MILD HYBRID EV-GAS (MHEV) Naturally Aspirated; EngineCode: LUK; EngineVIN: R; FuelSystem: DI;.