The Eaton Fuller Breather, part number 23604, is a genuine OEM breather vent designed for Eaton Fuller manual transmissions. Breathers allow pressure equalization inside the transmission housing, preventing seal damage and lubricant leakage caused by pressure buildup during operation. Sold individually, this is a direct Eaton part carrying OEM part number 23604. Purchasing a genuine Eaton Fuller component from Pro Gear and Transmission ensures you get the correct fit and quality for your drivetrain. Call us to confirm this is the right breather for your specific transmission.Interchanges:HF23604FeaturesGenuine Eaton Fuller OEM breather ventPart number 23604Designed for Eaton Fuller manual transmission applicationsSold as individual unit (each)Helps equalize internal transmission pressure to protect seals and prevent lubricant loss