BDFHYK 78391 A/C Compressor with Clutch For Toyota Corolla 2003-2008 L4 1.8L, Toyota Matrix 2003-2008 L4 1.8L

BDFHYK 78391 A/C Compressor Overview for Toyota Corolla and Matrix 1.8L

BDFHYK 78391 A/C compressor with clutch is for Toyota Corolla L4 1.8L 2003-2008, Toyota Matrix L4 1.8L 2003-2008 when an AC compressor replacement is being considered after warm air, weak cooling, clutch noise, or compressor-area leak traces have been diagnosed. Before ordering, verify the OE / interchange references, compressor body, clutch setup, ports, connector, pulley area, and mounting points. This is an OE-style aftermarket replacement, not a Genuine OEM or Official OEM part.

Toyota Corolla and Matrix Fitment and OE Number Check

Confirm These Vehicle Applications

• Toyota Corolla L4 1.8L 2003-2008
• Toyota Matrix L4 1.8L 2003-2008

Compare OE / Interchange References

• Compare your original compressor label and catalog data with these references: CS20101; 1521611; 639302; 78391; 254489; 275649; 2011265; 7511714; 4710407; 4711407; 8832002120; 883200212084; 10345071; 10349510; 10349511; 5511714; 6511714.
• Match the compressor body, mounting ears, clutch face, pulley alignment, electrical connector, and refrigerant port layout before ordering.
• Do not choose an air conditioning compressor by vehicle name alone because engine, production date, or previous repair history may affect fitment.

Toyota Corolla and Matrix A/C Symptoms to Diagnose Before Replacement

Symptoms That May Involve the Compressor

• Warm air from the vents, weak cooling at idle, intermittent cooling, or an A/C clutch that does not engage may be related to the compressor.
• Compressor noise, pulley bearing noise, belt squeal, oil trace near the compressor, metal debris, or compressor seizure can point to compressor or clutch damage.

Other A/C System Causes to Check First

• Low refrigerant, refrigerant leaks, condenser airflow, cooling fan operation, relay, fuse, wiring, or pressure switch faults can cause similar symptoms.
• Expansion valve, orifice tube, receiver drier, accumulator, blend door, HVAC control, belt, or tensioner issues should be inspected before replacing the car AC compressor.

Before Ordering This BDFHYK A/C Compressor

Match the Original Compressor and Clutch Area

• Use the OE / interchange number as a reference, then visually compare the original vehicle AC compressor before purchase.
• Service the A/C system using proper refrigerant recovery, evacuation, oil, and recharge procedures.
• If the previous compressor failed internally, inspect the condenser, lines, drier or accumulator, and expansion device for contamination before installing a new AC compressor.