The short answer
Wear and tear, mechanical breakdown, and manufacturing defects are excluded from every US auto policy. Engine damage caused by a covered peril (collision, flood, fire, vandalism, theft) IS covered. Consider Mechanical Breakdown Insurance (MBI) or an extended service contract for wear-based failures.
Frequently asked
- What about damage from bad fuel or oil?
- Contamination and improper maintenance are excluded. A product liability claim against the fuel supplier may apply.
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