The 6.7 Cummins engine is one of the most reliable and powerful diesel engines ever made, trusted by Ram truck owners for towing, hauling, and everyday driving. But like any engine, its performance depends on regular maintenance. At the core of that maintenance are your 6.7 Cummins filters — oil, fuel, air, and cabin filters. Choosing the right filters ensures your engine stays protected, efficient, and ready for the toughest jobs.
6.7 Cummins filters matter, the different types you need, replacement intervals, and where to buy them online at the most affordable rates.
Why 6.7 Cummins Filters Matter
Every combustion engine needs clean air, fuel, and oil to run efficiently. Filters act as a protective barrier, preventing harmful contaminants from entering your engine. For a powerful diesel engine like the 6.7 Cummins, filters are not just accessories — they are essentials.
- Engine Protection: Filters trap dirt, debris, and impurities that could damage internal components.
- Performance Boost: Clean filters improve airflow, fuel delivery, and lubrication, keeping your truck running at peak efficiency.
- Fuel Efficiency: A clogged filter forces the engine to work harder, reducing mileage. Regular replacements can save fuel costs.
- Longevity: Replacing filters on time helps your 6.7 Cummins last longer and avoid costly repairs.
6.7 Cummins Filters by Model Year
Choosing the right filter depends on your Ram truck’s model year. At MoparFilters.com, we stock genuine Mopar 6.7 Cummins filters to match every generation:
- 2013–2018 Cummins Filters – Reliable fitment for 4th-gen Ram trucks powered by the 6.7L Cummins.
- 2019–2021 Cummins Filters – Designed for early 5th-gen Cummins models with updated specs.
- 2019–2025 Cummins Filters – Covering the latest Cummins engines to keep them running strong.
Other Variants – We also provide filters for earlier models, ensuring every Cummins owner finds the right match.
Types of 6.7 Cummins Filters
Your Ram truck relies on four key filters. Each serves a different purpose but works together to keep your Cummins engine healthy.
1. Oil Filters
The oil filter keeps your engine oil clean by trapping metal shavings, dirt, and sludge. Since the 6.7 Cummins is a heavy-duty engine, oil filters are especially important to ensure proper lubrication under load.
2. Fuel Filters
Fuel filters remove water, rust, and contaminants from diesel fuel before it reaches the injectors. A high-quality 6.7 Cummins fuel filter prevents injector damage and ensures smooth combustion.
3. Air Filters
The air filter ensures your engine gets clean air for combustion. Replacing your 6.7 Cummins air filter regularly improves power, acceleration, and efficiency.
4. Cabin Air Filters
Often overlooked, the cabin filter cleans the air entering your truck’s interior. A fresh filter ensures better air quality and keeps dust, pollen, and exhaust fumes out.
How Often Should You Replace 6.7 Cummins Filters?
Replacement intervals can vary depending on your driving habits, but here are general guidelines:
- Oil Filter: Every 7,500–15,000 miles (or at each oil change).
- Fuel Filter: Around every 15,000–20,000 miles.
- Air Filter: Every 12,000–15,000 miles, more often in dusty environments.
- Cabin Air Filter: Every 15,000–25,000 miles, depending on air quality.
If you tow heavy loads or drive in harsh conditions, replacing your filters more frequently is recommended.
OEM vs. Aftermarket 6.7 Cummins Filters
When it comes to filters, not all options are equal.
- OEM (Original Equipment Manufacturer): Mopar filters are designed specifically for Cummins engines, ensuring perfect fit and reliable performance.
- Aftermarket: While cheaper options exist, they often compromise on quality and may not provide the same protection.
For long-term durability and peace of mind, choosing genuine Mopar 6.7 Cummins filters is always the smarter choice.
Where to Buy 6.7 Cummins Filters Online
Finding the right filters shouldn’t be difficult, but prices can vary widely. At MoparFilters.com, we offer:
- Genuine OEM 6.7 Cummins filters.
- Affordable rates (often lower than dealership prices).
- Free home delivery across the U.S.
- A wide selection of oil, fuel, air, and cabin filters for all Cummins-powered Ram trucks.
This makes mopar filters the go-to source for truck owners who want quality, convenience, and value.
Installation & Maintenance Tips
Replacing filters on a Cummins engine can often be done at home with basic tools. Here are a few quick tips:
- Always consult your owner’s manual for specific instructions.
- Use clean gloves when handling new filters.
- Double-check seals and O-rings before installation.
- Prime your fuel system after replacing a fuel filter to avoid air lock.
- Keep a maintenance log to track replacement intervals.
If you’re not confident in doing it yourself, a professional mechanic can install them quickly.
Final Thoughts
The 6.7 Cummins engine is built for power, durability, and performance - but it relies on clean oil, fuel, and air to keep running strong. By investing in quality 6.7 Cummins filters and replacing them regularly, you’re protecting your engine, boosting efficiency, and extending its life.
Looking for genuine Mopar filters at the best prices? Shop now at mopar filters and get fast, free delivery straight to your door.
