Alternator for Chevrolet G30 C20 K10 S10 K5 Blazer GMC G3500 C3500 1983-1990 Replace 7273-12 | BDFHYK

Q: What vehicles are listed? A: The listing covers applicable 1983-1990 Chevrolet and GMC classic truck and van applications including G30, C20, K10, S10, K5 Blazer, G3500 and C3500.

Q: What voltage is listed? A: 12V.

Q: Is amperage stated? A: No. Match the original alternator amperage before ordering.

Q: Is engine-specific fitment stated? A: No. The current listing does not provide an engine specification.

Q: Which replacement reference is listed? A: 7273-12.

Q: What rotation and regulator/fan type are listed? A: CW rotation and IR/IF.

Q: What should be checked before ordering? A: Confirm exact year/model, original amperage, connector, pulley, mounting points and reference number.

Q: Should battery power be disconnected before installation? A: Yes. Follow the vehicle service procedure before disconnecting alternator wiring.

Q: Should the belt drive be inspected? A: Yes. Inspect belt condition, tension and pulley alignment.

Q: Can no-charge symptoms come from other faults? A: Yes. Battery, cables, grounds and belt-drive problems can create similar symptoms.

Q: What should be verified after installation? A: Belt routing, electrical connections and charging-system operation.

Q: Is this genuine GM equipment? A: No. It is a BDFHYK aftermarket replacement; the listed number is a fitment reference.