2003+ TJ is the way to go. Should be plenty at wreckers. Note that 0331 is still cast in head, look for word TUPY. But anything after 2003 is the go. Regularly service the coolant system and oil changes, and I can’t see you ever having any problems.
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Jeep TJ rebuilt 4.0L, Custom Steel Roof Racks, vintage ((Jeep specific)) 15” Centerline Hellcats,
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