A Carrier HVAC S-4004UA Oil Filter Kit cleans the lubricant flow to shield internal components and promote smoother performance across the equipment.
The oil filter kit removes contaminants from circulating oil so the HVAC system's lubricated components can operate smoothly and with reduced wear. Its filtration design matters because consistent oil cleanliness supports proper lubrication, protects internal surfaces and promotes reliable performance in heating and cooling equipment.
The oil filter kit might need replacement if the heating and cooling unit shows reduced performance, rising operating strain or signs that oil flow may be restricted by accumulated debris. Common indicators include visible contamination around the filter area, leaks, discoloration or harsh operating conditions that can cause the filter media to wear out sooner.
Customers can take advantage of same-day shipping on in-stock real OEM HVAC replacement parts Monday—Friday until 9 PM ET, as well as on Saturday until 4 PM ET for online air orders. An extensive network of fulfillment centers allows us to ship orders efficiently so you can address equipment issues as quickly as possible.
Track your real OEM HVAC parts once they've shipped by going to our Track My Order page and entering your order number or purchase order (PO) number and zip code. Updates on the delivery status of your order are available 24/7, making it easy to check on your shipment whenever you need.
Yes! Customer support for real OEM HVAC 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 reach out to our team—we'll respond to you shortly.
Of course! We provide the option to return most new, unopened real OEM HVAC parts within 90 days of delivery, so visit our Returns page for more details. Please note that custom orders may be excluded from returns.