21305297
Transmission Vent Hose
Mack

This component serves as a vital pressure relief pathway for the transmission system, facilitating the escape of gases and moisture that accumulate during operation. Its durable construction withstands exposure to high temperatures and automotive fluids, ensuring consistent performance over time. Proper venting prevents internal pressure buildup, which could otherwise lead to seal damage or transmission failure. Routine checks and timely replacement of this hose are crucial for maintaining transmission efficiency and preventing costly repairs. Its role in protecting the internal components makes it indispensable for reliable vehicle operation. Source One Parts Center provides high-quality, OEM-compliant vent hoses designed to keep your transmission functioning smoothly.