Flywheel-End, Shaft bearing (or pinion bearing). Porsche 911 1972-1989 (915 Gearbox)

Flywheel-End, Shaft bearing (or pinion bearing) for 915 transmission.
This flywheel-end shaft bearing is used on Porsche 911 equipped with 915 transmissions. This bearing supports the pinion shaft at the flywheel end, maintaining precise shaft alignment and smooth rotation under load. It minimizes internal friction, prevents excessive play, and helps maintain correct gear mesh, reducing noise and extending gearbox life.

Fits:
Porsche 911 1974 - 1989 equipped with 915 manual gearbox

Diagram Ref no 28.

A worn pinion bearing causes gear whine, shaft play, rough shifting, metal contamination in the oil, and can lead to severe internal gearbox damage. Replacing it during a rebuild restores proper alignment, quiet operation, and long-term reliability.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99911014601

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