If it doesn't match the one you are replacing, take it back to the store where you bought it. Keep in mind that an aftermarket cat may not look the same but will replace the original.
There are two. One on each side of the catalytic converter in the exhaust.There are two. One on each side of the catalytic converter in the exhaust.
There are two, one on each side of the catalytic converter on the back of the engine.There are two, one on each side of the catalytic converter on the back of the engine.
There are two, one on each side of the catalytic converter.There are two, one on each side of the catalytic converter.
If the 5.3L is the same as my 4.8L, which it probably is, there is one located upstream from your catalytic converter, and one located downstream of your catalytic converter. They are not that far from the cat. There is 2 on each side; 1 set for each catalytic converter. 4 in total.
There are 4 total. One before and one after each catalytic converter.There are 4 total. One before and one after each catalytic converter.
There is one on each side of the catalytic converter
There is a sensor before each converter and one after each converter.
There is one on each side of the catalytic converter.
There are 2. one on each side of the catalytic converter.
There is one on each side of the catalytic converter.
There are 2. One on each side of the catalytic converter.
There is on on each side of the catalytic converter in the exhaust.