Volkswagen 48V starter generator water-cooled 05E903019K

About This Part

Genuine water-cooled 48V starter generator from Volkswagen, part number 05E903019K. This component is a central element of the mild hybrid drive system (eTSI/mHEV) across Volkswagen Group vehicles. The starter generator simultaneously serves three functions: engine starter, alternator, and recuperator converting braking energy back into the 48V lithium-ion battery. Its water-cooled design ensures reliable operation under the demanding conditions of modern turbocharged engines. Operating voltage 48 V, current 110–250 A. Always verify compatibility using the OEM part number and your vehicle's VIN before purchasing.

Compatibility

• VW Golf VIII (CD1 / DA1) – 1.0 eTSI, 1.5 eTSI (2020–present)
• VW Passat B9 / B9 Variant – 1.5 TSI mHEV (2023–present)
• VW Tiguan (MQB evo) – 1.5 TSI mHEV (2021–present)

Note: Compatibility applies exclusively to vehicles equipped with a 48V mild hybrid system (eTSI/mHEV) and EA211 evo engines. Always verify fitment against the OEM number and your vehicle's VIN — this part may not fit all trim levels or model years.

About the Seller

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