Wix WF10579 Fuel Water Separator Filter

Wix WF10579 Fuel Water Separator Filter

The Wix WF10579 is a cartridge-style fuel water separator filter built for diesel fuel systems that need clean, dry fuel flow. With synthetic media and OE-style dimensions, it supports filtration performance for Ram 1500, Ram 2500, Ram 3500, and Jeep Wrangler applications listed below.

Key Features

• Cartridge fuel water separator filter for diesel fuel system service
• Synthetic media for consistent contaminant capture
• 4.21 in. height with 4.03 in. top and bottom outer diameter
• 1.13 in. bottom inner diameter for the specified housing design
• Direct replacement reference for OE part number 68436631AA
• Cross-reference: Mopar 68436631AA

Detailed Description

The Wix WF10579 fuel water separator filter is engineered as a cartridge-type service part for vehicles that rely on effective fuel filtration to help maintain cleaner fuel delivery. Its synthetic media and compact cartridge form factor are matched to the listed Ram and Jeep applications, including 2020-2022 Ram 1500, 2019-2022 Ram 2500, 2019-2022 Ram 3500, and 2020-2022 Jeep Wrangler models that reference OE part number 68436631AA. This part number, WF10579, is also listed as a direct Wix reference for the same application.

Filtration is a key part of routine maintenance, especially in diesel systems where water separation and contaminant control matter. Wix also notes that filtration is more than the filter element itself, reflecting the brand’s broader focus on service components that support installation and maintenance planning.

Vehicle Fitment

• Fits 2023-2024 Ram 2500, N/A
• Fits 2023-2024 Ram 3500, N/A
• Fits 2023 Jeep Wrangler, N/A
• Fits 2023 Ram 1500, N/A
• Fits 2020-2022 Jeep Wrangler, N/A, Original Equipment Part Number 68436631AA
• Fits 2020-2022 Ram 1500, N/A, Original Equipment Part Number 68436631AA
• Fits 2019-2022 Ram 2500, N/A, Original Equipment Part Number 68436631AA; Cartridge Type
• Fits 2019-2022 Ram 3500, N/A, Original Equipment Part Number 68436631AA; Cartridge Type

Common Service Issues Addressed

• Water contamination in diesel fuel
• Restricted fuel flow from a loaded filter element
• Reduced filtration efficiency during routine maintenance intervals
• OE replacement needs for Ram and Jeep diesel applications
• Service replacement for cartridge-style fuel water separator housings

Installation Notes and Tips

Verify the housing style, dimensions, and OE reference before installation. This cartridge fuel water separator filter is intended for the listed Ram and Jeep applications and should be installed according to the vehicle service procedure for the fuel filter housing. Confirm the part number WF10579 and OE reference 68436631AA against the vehicle build before service.

Quality Assurance

Wix positions filtration as a core maintenance component and supports its filter line with supplemental service items such as bases, connectors, installation aides, bowls, pressure gauges, and test kits. The product description also includes a California Proposition 65 warning for cancer and reproductive harm.