High-Quality LB7 Duramax Injector Cup Set
When it comes to maintaining or upgrading your LB7 Duramax diesel engine , one of the most important components you should never overlook is the injector cup set . These small but crucial parts play a major role in ensuring your engine runs smoothly, efficiently, and free from leaks. If your Duramax is showing signs of fuel contamination, coolant leaks, or loss of compression, it may be time to replace your injector cups with a high-quality LB7 Duramax Injector Cup Set designed for performance, reliability, and long-term durability. What Are LB7 Injector Cups and Why Are They Important? Injector cups , also known as injector sleeves, are cylindrical inserts that sit inside the cylinder head of your LB7 Duramax engine. Their primary function is to seal and isolate the fuel injector from the engine coolant , preventing cross-contamination between the two systems. In the LB7 Duramax, fuel pressure can exceed 20,000 PSI, while coolant operates under high temperature and pressure as wel...