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A DPF filter (Diesel Particulate Filter) is a crucial environmental device installed in the exhaust system of diesel engines, primarily designed to capture and filter particulate matter in the exhaust gas, thereby reducing diesel emissions and environmental pollution. With increasingly stringent environmental standards, DPF filters play a vital role in lowering vehicle pollutant emissions and protecting air quality, becoming an essential emission control device in modern diesel vehicles.

A nitrogen oxide (NOx) sensor is a key device used to detect the concentration of nitrogen oxides in vehicle exhaust. With increasingly strict environmental regulations, controlling automotive emissions has become essential to reducing air pollution. The NOx sensor monitors the concentration of nitrogen oxides in real time, helping the engine control system optimize combustion and exhaust treatment, effectively reducing harmful gas emissions and protecting the environment and public health.

The water pump is a core component of a car’s cooling system. It circulates coolant throughout the engine to maintain an optimal temperature and prevent overheating. A reliable and efficient water pump not only ensures stable engine performance but also extends the engine’s lifespan. Although it’s less noticeable than the engine itself, its importance cannot be overlooked.

In a car’s engine system, the oil pump plays a critical role. It’s responsible for delivering engine oil from the oil pan to various lubrication points throughout the engine, ensuring smooth operation even under high temperature and pressure. Though small in size, the oil pump greatly impacts overall vehicle performance and engine lifespan — yet many drivers know little about it. So, just how important is the oil pump? Let’s take a closer look.