How many labor hours to replace a cam shaft front seal?

Front both per Mitchell is 2.8 hrs.

If the timing belt has not been done, do the timing belt, rollers and damper, 2.5 hrs. With the timing belt off, 1.4 hours for the cam seals. Water pump additional, 1.1 hours with the timing belt.

To simply answer your question, we can replace your two front camshaft seals for $300 out the door.