It depends on the power rating of the subwoofer.
The lug nut (stud) size I have found listed are for 2002 and up Jeep Liberty-1/2x20
Check the sticker on the drivers door jamb, it will list the size it was built with. That is the size you should buy.
TEN
Yes
13mm
Fram HM3600
11"
3.7 lt 6V
The 2002 Jeep Liberty takes 19" replacement windshield wiper blades on both sides front.
20 gallons is standard
What is the engine size? ph3600