what engine?
The fuel filter is located inside the tank.
passenger side by the oil pan in front of the transmission
It's located on right frame rail near the fuel tank
In the air filter box
The 2001 Chevrolet Blazer doesn't have a cabin filter.
Purchase a Purolator Cabin Filter. It comes with complete instructions.
it is under vehicle in front of gas tank.
Drivers side of motor under the manifold.
The filter should be on the inside of the driver side frame rail about in the middle of the vehicle.
Its locate in the down right side of the motor,is a AC-PF47 filter.
You won't find one. It didn't come with a cabin filter.
Its right above the oil filter. Its easier to remove the oil filter to get to it.