Will a 1.6 2000 trans fit a 2001 2.0 in a tracker?

Yes, a 1.6 2000 transmission can fit a 2001 2.0 engine in a Chevy Tracker, as both models share similar drivetrain components. However, it is important to ensure compatibility with the specific vehicle's wiring, mounts, and ECU. Always consult a professional mechanic or reference detailed service manuals for any necessary modifications or adjustments.