Wix 33723 Fuel Water Separator Filter - Secondary

WIX 33723 Fuel Water Separator Filter

The WIX 33723 is a heavy-duty spin-on fuel water separator filter built for cleaner fuel delivery and reliable water removal. It uses cellulose media with a silicone treatment to improve contaminant holding capacity, while the corrosion-resistant housing and sealing components support leak-resistant operation in demanding diesel service.

Compatible With diesel fuel systems that use a 30 x 1.5 mm thread and a 4.250-inch outer diameter top, this filter is a practical replacement choice for truck and equipment maintenance. The WIX 33723 is also cross-referenced to Baldwin BF1286 and Donaldson P551029 for the same application.

Key Features

• Spin-on fuel/water separator filter for heavy-duty service
• Cellulose media with silicone treatment for contaminant retention
• 30 x 1.5 mm thread size
• 6.810-inch height and 4.250-inch outer diameter top
• Drain cock included for water purging
• Corrosion-resistant can, center tube, and end caps
• 240 burst pressure rating

Application Details

Built for diesel fuel filtration, the WIX 33723 helps separate water from fuel before it reaches sensitive injection components. It is a strong match for maintenance on compatible Ford F-Series diesel applications and other heavy-duty vehicles that use this filter specification. If you are searching for a WIX 33723 fuel water separator filter for Ford F-Series diesel service, this part provides the core dimensions and drain feature needed for routine fuel system upkeep.

What It Helps Address

• Water contamination in diesel fuel
• Restricted fuel flow from a loaded filter
• Premature wear in fuel system components
• Service issues caused by dirty or separated fuel
• Maintenance intervals that require water draining

Installation Notes

Verify thread size, height, and sealing surface before installation. Prime and tighten the spin-on filter according to the vehicle service procedure, then use the drain cock to purge collected water as needed. For Ford F-Series diesel and other heavy-duty applications, confirm the filter specification against the existing unit before replacement.

Quality Assurance

WIX builds this fuel water separator with corrosion-resistant construction, superior sealing components, and a high burst-pressure design for dependable service in diesel fuel systems. The 33723 is engineered for long-lasting filtration performance in heavy-duty use.