The AEM Water/Methanol Reservoir Cap Part Number 30-4508 is a high-quality replacement cap designed for use with AEM 1.15 and 5-gallon reservoirs. This vented cap allows for the expansion and contraction of fluids during operation, maintaining a tight seal to prevent leaks and contamination. Its ridged design ensures a secure grip, making it easier to remove and install, even with oily or sweaty hands. The wide opening facilitates quick and easy refills, reducing downtime during maintenance or fluid top-offs. Constructed with durable materials, this cap ensures long-lasting performance in demanding automotive environments. It is a direct replacement, ensuring compatibility and a perfect fit for your existing reservoir setup, providing peace of mind and reliable operation.

Features:

• Vented design allows fluid expansion and contraction while maintaining a tight seal
• Ridged surface provides a secure grip for easy removal and installation
• Wide opening facilitates quick and convenient refilling
• Direct replacement for AEM 1.15 and 5-gallon reservoirs
• Constructed from durable materials for long-lasting performance