FMI opines the crank case ventilation valve market was valued at USD 2.50 billion in 2025. Sales are expected to reach USD 2.63 billion in 2026 and USD 4.28 billion by 2036. OEM is poised to lead by Sales Channel with 60.0% share in 2026 and Diesel Crank Case Ventilation Valve is estimated to command by Fuel Type in 2026.