Mercruiser #1 Drive Intermediate Shift Cable | Sierra 18-2158 Replacement lower shift cable for Mercruiser #1 stern drives. Sierra #1 drive shift cable For Mercruiser I drives from serial number 1562900-6225576 with forward installation into the bell housing Located between the drive and the shift bracket on the engine Has old style stranded core wire with soldered tip Uses P/N 18-2160 support tube – not included 63 in. conduit Replaces Mallory 9-72158