G53910114665
Known as: bearing sleeve iv
R53910114665
This part is no longer available.
G54610110185
Known as: bearing sleeve i
R54610110185
"Main Bearing #1, Alloy, 1st .25mm Case / 3rd .75mm Crank"Fitment: 356A/B/C (EXCEPT S90), 912, PORSCHE FACTORY PART