A Rational 16.03.878P Cover shields the connection area to maintain a clean enclosure and dependable performance.
The cover protects the USB interface area, maintains proper panel alignment and supports reliable access to the connection point during operation and service. Its fitted construction matters because it must match the front opening correctly to guard internal components from impact, debris and routine wear while preserving the panel's intended layout.
The cover might be failing if the USB access area becomes loose, misaligned or less secure, which may interfere with normal connection use or front panel fit. Physical signs can include cracks, warping or broken mounting points and environmental signs may include moisture intrusion, accumulated debris or discoloration from heat and cleaning exposure.
We provide same-day shipping on in-stock real OEM parts Monday through Friday until 9 PM ET and on Saturday until 4 PM ET for online air orders. Our network of fulfillment centers is extensive, so we're able to streamline processing and ship products efficiently.
Check the status of your real OEM parts by going to our Track My Order page and entering your order number or purchase order (PO) number and zip code. You'll then be able to check shipping details whenever you want, giving you peace of mind as shipping progresses.
Of course! Customer assistance for your real OEM parts is available 8 AM to 9 PM ET Monday through Friday with help through chat, email, phone and more. Visit our Contact Us page and find out how to connect with us if you have any questions.
Customers can return most new, unopened real OEM replacement parts within 90 days of delivery, so go to our Returns page and see if your order qualifies. For parts that have been installed and no longer work, fill out the form in the Defective Parts & Warranty Inquiries section.