Is it 4 wheel ABS or 2 Wheel ABS? on 2000 Ford F-250 Super Duty

Ok my front wheel bearing got messed up and the part I need depends on if it is 4 wheel ABS or 2 Wheel ABS and the price difference is about $200 depending on what it is! HOW DO I FIND OUT??

2 answers
Your instrument panel will say either "ABS" or "Rear ABS" or "Rear Anti-Lock".

Yours probably just says "ABS", which is 4 wheel ABS. Rear Anti Lock (only) is the 2 wheel ABS, and really was phased out by 2000.
I only see 4WD or RWD options...Do you have four wheel drive?