HAYIAUTO 11459N Alternator for Chevy Equinox / GMC Terrain / Buick Regal 2.4L L4 — 120A 12V Direct-Fit, 5-Groove Pulley

The HAYIAUTO 11459N alternator is a 120A, 12V direct-fit replacement engineered to restore charging performance in 2.4L L4 Chevy Equinox, GMC Terrain, and Buick Regal models from 2010–2017.

If your vehicle’s battery warning light is on, electronics are acting up, or you need a reliable OEM-style alternator swap, the HAYIAUTO 11459N is built to match factory specifications for the 2.4L L4 applications listed. Constructed from CNC-machined aluminum castings with an internal regulator, five-groove pulley, and clockwise rotation, this unit aims to deliver consistent charging and long service life when properly installed.

How does this alternator match my factory unit?

The 11459N is manufactured to align with the original equipment layout: mounting ears, plug orientation, and overall dimensions are measured for a direct fit. Bearings and lubrication meet OEM-level testing, and critical surfaces are checked to ensure proper alignment and connection.

• Part numbers covered: 11459N, 11459, 13500315, 13588328, TG12C067, TG12C174.
• Electrical specs: 120A output at 12V with internal voltage regulator.
• Mechanical: clockwise rotation, 5-groove pulley, internal fan.
• Fitment: designed for specific 2.4L L4 Buick, Chevy, GMC models (verify year and engine).

What reliability and testing back this replacement alternator?

HAYIAUTO designs and inspects each alternator with a focus on durability and consistent performance. Units undergo load, voltage regulation, cycling, and heat-resistance testing to reduce premature failures in real-world driving conditions.

• CNC-machined castings to minimize vibration and improve balance.
• Sealed rotors and stators with insulating coatings to reduce short risk.
• Bearings tested to OEM tolerance and pre-lubricated for longevity.
• Accelerated life-cycle tests to simulate extended heat and load exposure.

Will this alternator solve common charging problems I’m seeing?

Replacing a failing alternator with the 11459N typically resolves low charging voltage, dimming lights, and intermittent electrical faults caused by worn regulators or internal components. Always confirm that battery health and wiring are intact, since multiple systems can produce similar symptoms.

• Restores correct charging voltage under normal and moderate load.
• Reduces noise and vibration compared to worn or unbalanced units.
• Helps prevent repeated battery drain when installed correctly.
• Recommended installation by a qualified technician for best results.

How do I confirm this alternator fits my vehicle?

Before purchase, cross-check the listed part numbers and compare the alternator’s plug location, mounting ear positions, and pulley groove count with your vehicle’s existing unit. Fitment applies specifically to 2.4L L4 engines in the model years stated—mismatches can cause installation issues.

• Check OEM part numbers: 13500315, 13588328, 130327014048, 130813193926.
• Verify clockwise rotation and 5-groove pulley compatibility.
• Confirm internal regulator and plug clock orientation match your harness.
• Consult a technician if you’re unsure before ordering.

Who this product is for: The HAYIAUTO 11459N alternator is aimed at owners and mechanics who need a cost-effective, OEM-style replacement for 2.4L L4 Chevrolet Equinox, GMC Terrain, or Buick Regal vehicles from 2010–2017. It’s suitable for drivers experiencing charging-system faults who want a tested, high-quality unit that mirrors factory fit and function. If you’re replacing an alternator yourself, have the tools and mechanical knowledge to swap a charging unit; otherwise arrange professional installation to ensure correct electrical connections and torque specifications. For any compatibility questions, match the part numbers and consult HAYIAUTO support before purchasing.