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High-Quality Injector Cups for 7.3 Powerstroke

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The Ford 7.3L Powerstroke engine is known for its rugged durability and long-lasting performance. However, like any high-mileage diesel, it requires regular maintenance to keep running at its best. One often-overlooked component that plays a critical role in engine health is the injector cup. High-quality injector cups are essential for preventing coolant and fuel leaks, maintaining compression, and ensuring peak engine performance. If you're looking to upgrade or replace your 7.3 Powerstroke injector cups, this guide will walk you through everything you need to know. What Are Injector Cups? Injector cups—also called injector sleeves —are small metal inserts pressed into the cylinder heads of the engine. These sleeves serve two main purposes: Sealing the injector: They isolate the fuel injector from the coolant passages in the head. Protecting the cylinder head: By providing a metal sleeve, they prevent wear and erosion on the softer aluminum of the head. On the 7.3 P...