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Porsche 901, 915, G50 – manual transmission in 911 and 924/944

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901 was the first 911 transmission designation; 915 (5-speed) in many 911 and 924; G50 (5-speed, later 6-speed) in newer 911. All are rear gearboxes with gear oil (no ATF). Oil: Porsche release or GL-4/GL-5 depending on the design.

Machine translation — may contain errors.

Edited: 27.09.2026 10:51

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Synchronizer rings and bearings are subject to wear; pay attention to grooves and metal chips when changing oil. G50 parts are still readily available; 901/915 via specialist suppliers.

Machine translation — may contain errors.

Edited: 27.09.2026 10:51

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