Sierra Shift Cable for Mercruiser I Drives S/N 6225577 and Up. For AFT installation into bell housing. For use in applications using core wire with armored strand construction (No Support Tube). 63" conduit with hardware package.• Sierra Part No. 18-2190• Replaces Part No. 19543A4, 19543A10• 63" conduit with hardware For Mercruiser I S/N 6225577 & up Replaces 19543A4, 19543A10 | Sierra Shift Cable For Mercruiser I Drives, Part #18-2190