When changing a cartridge oil filter, the only parts that get replaced are the paper filter cartridge and the __ or seals. Select one: a. Filter housings b. Drain plugs c. O-rings d. End caps

## Step 1<br />The problem is about the parts that are replaced when changing a cartridge oil filter. The options given are filter housings, drain plugs, O-rings, and end caps.<br /><br />## Step 2<br />The filter housings are the parts of the engine where the oil filter is installed. They are not typically replaced when changing the oil filter.<br /><br />## Step 3<br />Drain plugs are used to drain the old oil from the filter. They are not typically replaced when changing the oil filter.<br /><br />## Step 4<br />O-rings are seals that prevent oil from leaking out of the filter. They are typically replaced when changing the oil filter.<br /><br />## Step 5<br />End caps are the ends of the filter housing. They are not typically replaced when changing the oil filter.