Phewnyzo Vented Oil Fill Cover for Harbor Freight Predator 3500 Watt Inverter Generator with Basic Washable Filter and Door

The Phewnyzo vented oil fill cover is a replacement part for the Harbor Freight Predator 3500 watt inverter generator. It includes an oil fill cover door and a basic washable filter. Installation hardware is not included. The source information explains that some early model generators were sealed so tightly that the engine could not get enough air, which could cause a surging condition and led to removing the oil fill cover as a fix. This replacement provides a vented cover option for the specified generator model while including the basic washable filter identified in the package contents. Review the existing generator and installation location before ordering to confirm that this replacement is appropriate for your unit. The item may have cosmetic scratches or color defects resulting from the molding or storage process; the source states that these conditions do not affect installation or performance. Product weight is listed as 1 pounds, and product dimensions are 6.18 x 4.57 x 0.63 inches. Package weight is listed as 0.12 pounds, with package dimensions of 6.18 x 4.57 x 0.63 inches. The product information identifies this item as a vented oil fill cover intended for the Harbor Freight Predator 3500 watt inverter generator and specifies the included door and washable filter, while separately noting that hardware is not included.