12V Alternator for 2011-2013 Toyota Corolla & Matrix 1.8L
Available in stock (20)
12V Alternator for 2011–2013 Toyota Corolla and Matrix 1.8L
Replacement 12-volt alternator for specific 2011–2013 Toyota Corolla and Matrix models equipped with the 1.8L inline-four engine.
Critical fitment warning: The Corolla application excludes Japan-built vehicles. Confirm the vehicle’s assembly origin using the VIN and certification label before ordering. The available specification lists the output as 100A / 110A without identifying which rating applies, so the exact amperage remains unresolved. Compare the original alternator label, rated output, electrical connector and pin arrangement, terminal position, mounting ears, 6-groove clutch pulley, belt alignment, clockwise rotation, dimensions, and original part number.
Vehicle Compatibility
- 2011–2013 Toyota Corolla: 1.8L L4; excludes Japan-built vehicles
- 2011–2013 Toyota Matrix: 1.8L L4
Product Specifications
- Product type: Alternator
- Voltage: 12V
- Rated output: Source data lists 100A / 110A; verify the original alternator label
- Rotation: CW (clockwise)
- Pulley: 6-groove clutch pulley
- Regulator / fan configuration: IR / IF
- Quantity: 1 alternator
OE numbers, connector pin count, mounting dimensions, and the reason for the 100A / 110A output variation are not specified in the available description. Match the replacement directly to the original alternator and verify by VIN before ordering.
Common Charging-System Symptoms
- Battery or charging warning light remains on
- Low or unstable charging voltage
- Battery repeatedly loses charge after testing good
- Dim or fluctuating lighting
- Noise from the alternator pulley or internal bearings
These symptoms can also be caused by the battery, drive belt, tensioner, wiring, grounds, fuses, or charging-control circuit. Test the complete charging system before replacing the alternator.
Installation Notes
Professional installation is recommended. Disconnect the battery according to the vehicle manufacturer’s procedure before removal. Inspect the drive belt, tensioner, electrical connections, battery condition, and grounds. After installation, verify belt alignment, clutch-pulley operation, charging voltage, warning-light operation, and secure electrical connections.
Frequently Asked Questions
Does this fit a Japan-built Corolla?
No. The available fitment specifically excludes Japan-built Corolla models.
Is this a 100A or 110A alternator?
The source lists both ratings without assigning them to a specific application. Check the original alternator label and VIN before ordering.
Which engine is listed?
The available fitment specifies the 1.8L inline-four engine.
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