Direct replacement pump for Westward 5Z401 two‑stage compressors; the 5Z405/5Z405A family is a 10 HP, splash‑lubricated two‑stage unit designed to fit compatible Westward equipment. It delivers up to 34.2 CFM at 175 psi, making it suitable for mid‑range shop applications requiring reliable, consistent airflow. The pump is commonly cross‑referenced with Speedaire 5Z405E, reflecting its compatibility within the 5Z‑series used on Westward and Speedaire compressors.
