FITS: CADILLAC 4T80E - DRIVERS SIDE ONLY THIS BEARING & SEAL COMBO ADDS EXTRA SUPPORT TO ELIMINATE AXLE SEAL WEAR THAT CAUSES THE AXLE TO LEAK. NOTE: NO MACHINING IS REQUIRED WITH THIS KIT. Simply install the Seal/Bearing combo into the old seal location and install the new axle. REPLACEMENT SEAL: 330749
