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Upgraded Alternators

Classic Retrofit's mission statement is "to embrace the future while respecting the past". Our products are cutting edge upgrades that often revolutionise the ownership experience. This is absolutely true of our upgraded alternators!

Porsche 911 High Output 150A Alternator

Porsche 911 High Output 150A Alternator

NOW AVAILABLE.  LIMITED STOCK

This is Classic Retrofit's upgraded high-output alternator for classic Porsche 911s.  

Tested at over 145A amps on the standard 911 pulley and belt and with a simple installation process, this UK-manufactured upgrade is the highest output alternator available for your classic Porsche 911. This is a brand new unit, not reconditioned and there is no core charge or exchange.

Note.  This is not a 'rewound' Bosch or Valeo.  Based on the Denso 6 phase 'hairpin' alternator, the casing has been custom designed to fit all 911 fan housing from 1965 to 1989.  

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£695.00

Upgraded Alternator Adapter (1974-1983)

This adapter is required to fit our upgraded 150 amp alternator into all cars originally fitted with a 75A alternator - so all impact bumper models up to and including the 911 SC.

Contact us with any questions.

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£35.00

Upgraded Alternator Adapter (3.2/late 930)

This adapter is required to fit our upgraded 150 amp alternator into all cars originally fitted with a 90A alternator - so all 3.2 Carrera models and later 930/911 Turbo.

Contact us with any questions.

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£70.00