4AX140
Screw Cap
Mack

The screw cap serves as a secure closure for various fittings and containers, preventing leaks and contamination in heavy-duty truck systems. Its design ensures a tight seal, which is critical in applications involving fluid or gas containment. Made from robust materials, this screw cap resists corrosion and wear, maintaining its integrity over time despite exposure to harsh environments. Proper use of this component helps preserve the cleanliness of system components and prevents the ingress of dirt, moisture, or debris that could compromise performance. Whether used in fuel, oil, or other fluid systems, this screw cap is a vital part of maintaining system integrity and operational safety. Source One Parts Center offers this part as a dependable hardware solution for your maintenance needs.