Porsche Alternators

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            98010237200 - : Accessory Drive Belt Tensioner Pulley for Porsche Image

            Accessory Drive Belt Tensioner Pulley

            Porsche 980-102-372-00
            For Alternator Belt.
            $409.61
            MSRP $451.19
            Save $41.58
            9.2% Off
            98010235201 - : Accessory Drive Belt Tensioner Assembly for Porsche Image

            Accessory Drive Belt Tensioner Assembly

            Porsche 980-102-352-01
            For Alternator Belt.
            $1,770.28
            MSRP $1,949.98
            Save $179.70
            9.2% Off
            98010225203 - : Serpentine Belt for Porsche Image

            Serpentine Belt

            Porsche 980-102-252-03
            Routing:Crk,Alt,Wp,Tens. Alternator and Water Pump.
            $342.13
            MSRP $375.85
            Save $33.72
            9% Off
            9A7903137 - : Serpentine Belt for Porsche Image

            Serpentine Belt

            Porsche 9A7-903-137
            Routing:Crk,Tens,Alt,Comp. 21.36 x 1100mm. Alternator and Compressor. Macan. 2.0l.
            $48.03
            MSRP $62.35
            Save $14.32
            23% Off
            6L903137A - : Serpentine Belt for Porsche Image

            Serpentine Belt

            Porsche 06L-903-137-A
            Macan. 2.0l. Routing:Crk,Tens,Alt,Comp. 21.36 x 1132mm. Alternator and Compressor.
            $49.65
            MSRP $64.46
            Save $14.81
            23% Off
            9A790313310 - : Belt Tensioner for Porsche Image

            Belt Tensioner

            Porsche 9A7-903-133-10
            For Alternator Belt. Panamera. 2.9l. Cayenne. 2.9l. Macan. 2.9l. Macan. 3.0l. 2019-21.
            $189.31
            MSRP $235.25
            Save $45.94
            19.5% Off
            99610215167 - : Serpentine Belt for Porsche Image

            Serpentine Belt

            Porsche 996-102-151-67
            911. Boxster. Exc.Air Cond. Water Pump, Alternator and Power Steering. Without gt3. without ac.
            $45.35
            MSRP $58.60
            Save $13.25
            22.6% Off
            9A790313710 - : Serpentine Belt for Porsche Image

            Serpentine Belt

            Porsche 9A7-903-137-10
            Alternator and Vacuum Pump. Panamera. 2.9l. Panamera. 3.0l. Cayenne. 2.9l. Macan. 2.9l. 2019-21. Macan. 3.0l.
            $60.84
            MSRP $82.29
            Save $21.45
            26.1% Off
            9A790334104 - : Idler Pulley for Porsche Image

            Idler Pulley

            Porsche 9A7-903-341-04
            For Alternator Belt. Primary belt. Cayenne. 2.9l. Macan. 2.9l. Serpentine belt (right). 2019-21. Macan. 3.0l. Panamera.
            $115.99
            MSRP $140.54
            Save $24.55
            17.5% Off
            99919229952 - : Belt for Porsche Image

            Belt

            Porsche 999-192-299-52
            With turbo. For A/C Belt. Routing:Crk,Alt,Comp. K6 x 1000mm. Alternator and Compressor. K6 x 998mm. K5 x 1005mm. From 02/85. With ac.
            $31.32
            MSRP $42.01
            Save $10.69
            25.4% Off
            PB903137D - : Serpentine Belt for Porsche Image

            Serpentine Belt

            Porsche 0PB-903-137-D
            Routing:Crk,Tens,Wp,Alt,Idler,Comp. Alternator, Water Pump and Air Conditioning. 911. For A/C Belt. Water Pump, Alternator and...
            $150.82
            MSRP $209.22
            Save $58.40
            27.9% Off
            PCG12393000 - : Repair Set for Porsche Image

            Repair Set

            Porsche PCG-123-930-00
            The Porsche Repair Set (Part Number PCG-123-930-00, SKU PCG-123-930-00) provides the essential components needed for precise maintenance...
            $142.40
            MSRP $228.57
            Save $86.17
            37.7% Off

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            Keeping Your Porsche Charged with Alternators

            Alternators are essential for supplying electrical power and keeping the battery charged while driving. They ensure lights, infotainment, and engine management systems operate correctly. Over time, alternators can wear out due to heat, vibration, or electrical strain. At Delaware Porsche Parts, we provide genuine Porsche alternators built to maintain reliable performance and fit precisely.

            Understanding Alternators and Their Function

            Alternators\ convert engine energy into electricity to power accessories and charge the battery. A failing alternator can cause dimming lights, weak battery performance, or difficulty starting the car. Using genuine Porsche alternators guarantees accurate voltage output and durability compared to generic aftermarket parts. Combining alternator replacement with a genuine Porsche serpentine belt ensures smooth operation and prevents accessory wear.

            Why Alternators Break Down

            Alternators wear down from heat exposure, friction, and electrical load over time. Worn bearings, brushes, or voltage regulators can lead to failure. Popular Porsche models such as the 911 and Cayman benefit from scheduled inspections to avoid unexpected electrical issues. Replacing a worn alternator on time keeps the car reliable and protects other electronic components.

            Choosing Genuine Porsche Alternators

            Genuine Porsche alternators provide precise fit, consistent output, and longer lifespan. They reduce the risk of battery drain and maintain proper function for all electrical systems. For vehicles like the 911 and Cayman, authentic parts maintain factory performance and reliability. Investing in genuine components helps prevent premature failure and keeps the vehicle operating smoothly.

            Alternator FAQ

            How often should an alternator be replaced?
            Alternators typically last between 80,000 to 150,000 miles, but it’s best to inspect them during routine service.

            What are signs of a failing alternator?
            Dimming lights, slow engine start, or warning lights on the dashboard indicate alternator issues.

            Can I use aftermarket alternators?
            While cheaper alternatives exist, they may fail sooner or produce inconsistent voltage. Genuine Porsche alternators ensure proper output and longer lifespan.

            Do I need other parts when replacing the alternator?
            Inspect the serpentine belt and pulleys when replacing an alternator, as worn components can cause additional stress.