The global oil catch cans market is projected to grow at a CAGR of 4.8%, rising from an estimated value of US$9.83 billion in 2024 to US$13.65 billion by 2031. This growth reflects the increasing importance of oil catch cans in the automotive industry, where they serve as vital components for enhancing engine efficiency and longevity. By effectively trapping oil vapors and preventing contamination in the intake system, these devices not only promote cleaner combustion and reduced emissions but also contribute to compliance with stringent environmental regulations. As the automotive sector transitions towards electrification and more rigorous emission standards, the demand for innovative oil separation systems continues to drive market expansion, supported by ongoing research and development efforts focused on improving performance and durability.