OEM Kia Optima Alternators

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            3730037405RU - : Alternator for Kia Image

            Alternator

            Optima. 2.7l. Optima. 2.5l.
            $248.38
            MSRP $356.87
            Save $108.49
            30.4% Off
            373002G950 - : Alternator for Kia Image

            Alternator

            Sorento. 2.4l. 2.0L turbo, us build. Optima. Usa built. 2.0l.
            $474.13
            MSRP $694.70
            Save $220.57
            31.8% Off
            3746338000 - : Alternator Spacer for Kia Image

            Alternator Spacer

            2.4L. Front.
            $20.60
            MSRP $28.85
            Save $8.25
            28.6% Off
            3745125000 - : Alternator Bolt for Kia Image

            Alternator Bolt

            2.7L. Sedan 2010-13, hatchback 2011-13,. 2.0L. All. 2.5L without turbo.
            $10.38
            MSRP $14.53
            Save $4.15
            28.6% Off
            373212G051 - : Alternator Pulley for Kia Image

            Alternator Pulley

            Sportage. Optima. 2.0l, 2.4l.
            $21.57
            MSRP $30.22
            Save $8.65
            28.6% Off
            1140410306K - : Alternator Bolt for Kia Image

            Alternator Bolt

            Belt tensioner,screw. Without ev. 2.4L. 2.0L.
            $4.77
            MSRP $6.68
            Save $1.91
            28.6% Off
            1140410706K - : Alternator Bolt for Kia Image

            Alternator Bolt

            2.0L hybrid, long. 2.0L, short. 2.5L.
            $2.78
            MSRP $3.90
            Save $1.12
            28.7% Off
            3732125201 - : Alternator Pulley for Kia Image

            Alternator Pulley

            Forte. Sportage. Rondo. 2.4l.
            $242.73
            MSRP $348.75
            Save $106.02
            30.4% Off
            3732125301 - : Alternator Pulley for Kia Image

            Alternator Pulley

            2.4L.
            $139.90
            MSRP $201.00
            Save $61.10
            30.4% Off
            374603E000 - : Alternator Bracket for Kia Image

            Alternator Bracket

            2.7L.
            $57.98
            MSRP $81.20
            Save $23.22
            28.6% Off
            373213E100 - : Alternator Pulley for Kia Image

            Alternator Pulley

            $24.32
            MSRP $34.07
            Save $9.75
            28.6% Off
            373202B100 - : Alternator Pulley for Kia Image

            Alternator Pulley

            Forte. 1.6l. Soul. 1.6l. With turbo. Optima. 1.6l.
            $270.84
            MSRP $389.13
            Save $118.29
            30.4% Off

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            TL;DR Summary

            Kia Optima alternators should be matched to the correct engine, model year, and electrical configuration. Genuine Kia alternators provide an OEM replacement option for supported factory charging systems.

            Find the Right Kia Optima Alternator

            The alternator supports the vehicle’s electrical system while the engine is running and helps maintain battery charge. Because alternators can vary by output rating, connector style, mounting points, pulley design, and engine application, fitment must be confirmed before ordering.

            This category helps Kia owners shop genuine Kia Optima alternators using vehicle-specific compatibility details. A properly matched alternator should align with the factory belt system, electrical connector, and mounting location without guesswork.

            What This Category Includes

            • Genuine Kia Optima alternators
            • OEM charging system replacement components
            • Alternators matched by model year, trim, and engine
            • Related Kia categories including engine parts, filters, and accessories

            Why Kia Genuine Parts Matter

            Genuine Kia alternators are selected according to Kia factory application data. Aftermarket alternators may vary by amperage, remanufacturing process, connector layout, and pulley configuration. OEM Kia alternators help reduce uncertainty when repairing the charging system.

            How to Choose the Right Part

            Confirm your Kia Optima’s model year, trim, and engine first. Then review the alternator listing for output details, production notes, and electrical connector information. If the vehicle has charging problems, proper diagnosis should be completed before replacing parts.

            Compatibility / Fitment Guidance

            Kia Optima alternator fitment may vary by engine and model year. Use VIN lookup when available for the most accurate match. Related Kia engine parts may be useful if belts, brackets, or nearby components also need service.

            Key Takeaways

            • Alternators must match the engine and electrical setup.
            • Connector, pulley, and mounting details matter.
            • OEM Kia alternators follow factory fitment data.
            • Diagnosis is recommended before replacing charging system parts.

            FAQ

            How do I know which alternator fits my Kia Optima?

            Use model year, trim, engine, electrical notes, and VIN lookup when available.

            Are all Kia Optima alternators the same?

            No. Alternators can vary by engine, output rating, connector style, and mounting design.

            Should I replace the battery with the alternator?

            Not automatically. The battery and charging system should be tested before parts are replaced.

            Why choose a genuine Kia alternator?

            It is selected for supported Kia applications and designed to work with the factory charging system.