However, it's not universally bulletproof. Reliability depends heavily on:
* Maintenance: Regular and meticulous maintenance is crucial. Neglecting oil changes, fuel filter changes, and other routine tasks will significantly shorten its lifespan.
* Operating Conditions: How the engine is used impacts reliability. Severe duty applications (heavy towing, off-road use) will put more stress on the engine.
* Specific Year and Build: There are some known issues with certain years and even specific build dates, so research for any known problems with the exact year and model you're considering.
In short: While the 7.3L Power Stroke is *known* for its durability and is often considered one of the most reliable diesel engines ever made, its longevity is directly tied to proper care and maintenance. A well-maintained 7.3L can last incredibly long, but a neglected one can suffer premature failure.
