Go online to a company like Advance Auto Parts. Look up both sending units and see if they are the same part number.
Which sending unit? Oil or temperature? Or ?????
The oil sending unit on a 2001 Chevy Blazer is just above the oil filter. It is actually located on the diagonal to the oil filter to the upper left.
Bad sending unit in the fuel tank.
usally on the driver side down in between the spark plugs next to #1 cylder, should be threded right into the side of the head with 1 wire attached
It should be located on the front of the water pump.
how to change a oil sending unit on a Chevy vortec v 6
In the tank, it's called a fuel pump module.
There is a temp sensor on the water inlet for the PCM, and sending units for the gauge on the side of the heads. Normally part stores don't carry the sending units.
Yes, the doors from a 98 Chevy Blazer will fit a 2001 Chevy Blazer with a little moderation.
It is in the driver side head, between the first two spark plugs.
It is on the firewall end of the intake manifold below the distributor
Behind the Distributer at the rear of the engine