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<h2 style="font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;">Direct-Fit 110A Replacement Alternator for 2011-2013 Hyundai Sonata (YF)</h2> <p><strong>What it Does:</strong> The replacement 110A alternator restores regulated direct-current charging and stabilizes primary system voltage across the electrical system for the 2011-2013 Hyundai Sonata 2.4L under all accessory loads.</p> <h3>The Stock Hyundai Sonata Charging System Weakness</h3> <p>Factory alternators on the <strong>YF</strong> platform paired with the <strong>Theta II</strong> engine face progressive heat soak and cyclic mechanical load degradation. Over high operating hours, the internal bridge rectifiers, brushes, and electronic voltage regulators experience thermal breakdown. This degradation results in under-voltage faults, flickering headlights, EPS (electric power steering) assist lag, depleted starter batteries, and low-voltage diagnostic trouble codes like DTC P0562.</p> <h3>The Engineering Solution</h3> <p>Engineered for sustained thermal resilience, this unit features a heavy-duty cast aluminum housing containing precision high-copper stator windings and an integrated internal cooling fan (IF). The built-in internal regulator (IR) ensures constant 14-volt output stabilization to safeguard onboard ECUs. Outfitted with a 3-pin factory connector, correct CW rotation, and an exact-fit 6-groove serpentine pulley, it bolts directly into OE bracket positions without harness modifications or shimming.</p> <h3>What's Included</h3> <ul><li>1× 12V 110A Alternator (with pre-installed 6-groove pulley)</li></ul> <h3>Technical Specifications</h3> <div style="overflow-x: auto; margin-bottom: 20px;"> <table width="100% style=" border-collapse: collapse border: solid font-size: min-width:> <tr style="background-color: #f9f9f9;"> <th style="padding:10px; text-align: left; border: 1px solid #e0e0e0;">Fitment</th> <td style="padding:10px; border: 1px solid #e0e0e0;">2011-2013 Hyundai Sonata</td> </tr> <tr> <th style="padding:10px; text-align: left; border: 1px solid #e0e0e0;">Engine / Chassis</th> <td style="padding:10px; border: 1px solid #e0e0e0;">Theta II (2.4L G4KJ) / YF</td> </tr> <tr style="background-color: #f9f9f9;"> <th style="padding:10px; text-align: left; border: 1px solid #e0e0e0;">Stock Output</th> <td style="padding:10px; border: 1px solid #e0e0e0;">198 hp / 184 lb-ft</td> </tr> <tr> <th style="padding:10px; text-align: left; border: 1px solid #e0e0e0;">Replaces OEM Part #</th> <td style="padding:10px; border: 1px solid #e0e0e0;">11491A, 208-949, 208-949A, 211-6015, 2606446, 2608052, 37300-25600, 37300-2G400, 373002G150, 400-40161, 600878, 90-22-5641, A-9577, AL4098X, ALC415, AVA0129, N5110528</td> </tr> </table> </div> <h3>Compatibility</h3> <ul> <li>2011 Hyundai Sonata 2.4L (GLS, SE, Limited)</li> <li>2012 Hyundai Sonata 2.4L (GLS, SE, Limited)</li> <li>2013 Hyundai Sonata 2.4L (GLS, SE, Limited)</li> </ul> <h3>Frequently Asked Questions & Fitment Warnings</h3> <h4>Does this fit the YF Sonata?</h4> <p>Yes, this is a direct fit for the 2011-2013 Hyundai Sonata equipped with the <strong>Theta II 2.4L</strong> engine. <strong>Does not fit 2.0L Turbo or Hybrid models due to differing pulley offsets and harness configurations.</strong></p> <h4>Is the pulley pre-installed on this alternator?</h4> <p>Yes, the alternator comes fully assembled with a 6-groove serpentine pulley, eliminating the need to transfer or pull your original unit's pulley.</p> <h3>The Hyundai Reliability Standard</h3> <p>Constructed to restore OEM electrical integrity, this charging component handles continuous commuter demands and sensitive modern sensor loads with steady, drop-free current delivery.</p>