RARAYC 6.7L Cummins Fuel Filter & Water Separator Set for 2025-2026 Ram 2500/3500/4500/5500 – Direct-Fit, OEM Replacement

RARAYC fuel filter and water separator set for 6.7L Cummins engines replaces OEM 68677800AA/68677810AA to protect fuel systems and remove water for reliable diesel performance.

Keep your 2025–2026 Ram 2500, 3500, 4500, or 5500 with the 6.7L Cummins Turbo Diesel running clean and dependable with this direct-fit filter and water separator kit from RARAYC. Built to meet the factory fit and function, the assembly traps particulates and separates water from diesel to reduce injector wear and maintain consistent combustion. The components are made from high-temperature, oil-resistant materials designed to hold up under heavy use, and the set is backed by a 6-month warranty plus lifetime support.

How does this set protect my engine and fuel system?

The set combines fine filtration media and a water separation chamber to stop contaminants and moisture before they reach the injection system. Removing water prevents corrosion and microbial growth, while the filter media captures abrasive particles that cause injector and pump damage.

• Direct replacement for OEM part numbers 68677800AA and 68677810AA.
• Multi-layer filter media captures dirt, rust, and soot.
• Water separation reduces corrosion and injector deposits.
• Durable construction resists heat and oil exposure during operation.

How easy is installation and maintenance?

This RARAYC kit is engineered for a near-identical fit to the factory unit, so installation follows the same steps as the OEM component. Routine replacement intervals depend on driving conditions, but the design makes swaps straightforward with basic tools.

• OEM-style mounting points and connections for quick swap-out.
• Recommended service interval generally every 5,000–10,000 miles depending on fuel quality and use.
• Simple drain and bleed procedures compatible with factory service guides.
• Lifetime customer support available for fitment or installation questions.

Will this part affect fuel economy or drivability?

By keeping fuel free of water and contaminants, the filter helps maintain proper fuel flow and spray patterns at the injectors, supporting steady acceleration and efficient combustion. Replacing a clogged or aged filter can restore lost throttle response and reduce rough idling related to fuel delivery issues.

• Improved fuel flow helps preserve power and responsiveness.
• Cleaner injectors maintain optimal spray and combustion efficiency.
• Reduces the likelihood of fuel-system-related limp modes or warning lights.

What materials and warranty back this product?

The assembly uses oil-resistant plastics and reinforced filter media to resist breakdown in hot engine bays and heavy-duty work cycles. RARAYC supports the purchase with a 6-month limited warranty and ongoing customer assistance for product questions or replacement guidance.

• High-temperature, oil-resistant housing and seals.
• Reinforced filtration layers for extended durability under load.
• 6-month warranty plus lifetime support from RARAYC.

Who this is for: Owners and technicians of 2025–2026 Ram 2500, 3500, 4500, and 5500 trucks powered by the 6.7L Cummins who want a direct-fit replacement for OEM 68677800AA/68677810AA. This kit suits fleet operators, owners who tow or haul frequently, and anyone seeking preventative maintenance to avoid costly fuel-system repairs.