ADS-1 Fuel/Water Separator AD7955 / Suitable for RAM D250/W350 5.9L 12V Cummins 1989-1993

ADS-1 Fuel/Water Separators,

Reliable Protection, Peak Performance

ADS-1 Fuel/Water Separators effectively remove water, dirt, rust, and debris from your fuel, protecting critical fuel system components and maintaining top engine performance. Designed for optimal fuel flow and pressure, they help improve acceleration, fuel efficiency, and overall vehicle performance.

Our filters are built with high-efficiency media and a large filtration surface area, ensuring exceptional protection and performance. Each unit comes ready to install with O-rings when applicable.

Product Features:

• Premium pleated cellulose-glass media
• High-capacity pleats for superior flow rates
• Durable carbon steel housing (when applicable)
• Includes O-rings for easy installation (when applicable)
• OEM fit, design, and function — meets or exceeds original standards

Micron & Efficiency Rating:
Efficiency Rating, 3 Micron @ 94.92% 

Vehicle Fitment:

• 1989-1993 Dodge D250, D350, W250, W350 5.9L Cummins 12V

Interchange Part Numbers:
ADS-1 AD7927 Wix 33379, Purolator FS4675, Champ LFF6338

Recommended Maintenance:
For best results, always follow your vehicle manufacturer’s service schedule.

• Fuel Filter/Water Separators: Replace every 5,000–10,000 miles
• Maximum interval: 15,000 miles