Note: This article contains affiliate links. If you click on these links and make a purchase, I may earn a small commission at no extra cost to you. This helps support my research and content. Read my full affiliate disclosure here.
If you drive a Ford F-350 with the 6.7L Diesel engine, the right air filter plays a big role in longevity, power delivery, and fuel economy. Dirty or restrictive filters can reduce airflow to the turbocharged engine, affecting throttle response and increasing strain on the turbo and fuel system. Conversely, a properly chosen air filter helps maintain peak combustion conditions and reduces the risk of premature component wear.This guide shortlists seven top-rated air filters suited to the 6.7L Diesel configuration and explains the criteria used to evaluate them. You will find practical notes on fitment, filtration performance, service life, and ease of replacement to help you pick the right option for your driving needs. Read on for how each filter type addresses common diesel-specific concerns and what to consider before you buy.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | Motorcraft FA-2031 Engine Air Filter (3-Pack) |  |
| Best Quality Built to a higher standard if you want something more solid | K&N Advantage Plus Engine Air Filter (24,000 Mile) |  |
| Best Value The sweet spot between price and what you get | Forccord 2-Pack Engine Air Filters for 6.7L Powerstroke (fits 2020–2026 F250/F350/F450/F550) |  |
| Best Budget The cheapest option that still gets the job done reliably | X4XZ FA2031 Engine Air Filter for 2020-2022 Ford Super Duty 6.7L Diesel |  |
| Highest Rated A top-rated pick with lots of positive feedback | Doc's Diesel Engine Air Filter DPA6109 for Ford 6.7L Powerstroke (2011–2016) |  |
| Most Popular A crowd favorite that many people choose with confidence | Motorcraft FA1927 Replacement Air Filter Element |  |
| Best Seller A high-volume bestseller chosen again and again | YZQPNB FA1927 Replacement Air Filter Element for 6.7L Powerstroke (2017–2019) |  |
1. Motorcraft FA-2031 Engine Air Filter (3-Pack)
| Unit Count | 3.0 Count |
|---|---|
| Model Number | LC3Z9601E |
| OEM Equivalent Part Number | FA-2031 |
| Product Grade | OEM Replacement Part |
| Fit Type | Vehicle Specific Fit |
The Motorcraft FA-2031 is a factory-quality replacement air filter built for 6.7L Super Duty diesel engines and sold here as a three-pack. It uses multi-fiber high-density pleated media and a surfactant coating to capture dust and contaminants while minimizing airflow restriction, which helps preserve combustion efficiency and engine power between service intervals. The filter features a polyurethane seal and phenolic-resin construction to resist heat, moisture, and deformation, so it stays seated and effective under heavy-duty use and extreme temperature cycles. Installation is straightforward thanks to vehicle-specific fitment, and the filters are tested for water soak and aging to ensure durability. The main trade-off is this is a direct factory-style element rather than a performance-oriented or washable design, so it is best for drivers who want reliable, maintenance-friendly filtration rather than maximum airflow gains.
Best for: Drivers who prioritize dependable, factory-quality filtration and straightforward maintenance for their 6.7L Super Duty diesel rather than aftermarket performance gains.
Less Ideal for: Drivers seeking a reusable, wash-and-reuse filter or an aftermarket high-flow element aimed at increasing airflow and horsepower.
- Genuine Motorcraft OEM-grade design matched to Ford factory specifications
- High-density pleated media with surfactant coating for effective particle capture
- Durable polyurethane seal and phenolic-resin construction resist heat and moisture
- Sold as a three-pack for multiple service intervals or extra on-hand replacements
- Not a performance or high-flow aftermarket filter for drivers seeking increased airflow or power
Verdict: Choose this Motorcraft three-pack if you want factory-quality, dependable air filtration and simple direct-fit replacement for your 6.7L Super Duty diesel.
2. K&N Advantage Plus Engine Air Filter (24,000 Mile)
| Brand | K&N |
|---|---|
| Model | K&N Advantage Plus Air Filter 24K Miles |
| Automotive Fit Type | Vehicle Specific Fit |
| OEM Part Number | KNF-0644 |
This K&N Advantage Plus air filter is a direct-fit replacement that extends service intervals to 24,000 miles while aiming to boost airflow and protect the engine. It installs in the factory air box and uses a specially treated synthetic or cellulose blend media that K&N says delivers up to 99.5% engine protection. For a 6.7L diesel F-350 the longer life means fewer filter changes during heavy-use seasons and less maintenance downtime. The construction is rugged and intended to meet or exceed factory specifications, and the design focuses on improved airflow which can help throttle response and turbo spool on performance-oriented diesel setups. The main trade-off is that extended-life media may require attention to correct fitment and periodic inspection in very dusty or off-road conditions where replacement sooner than 24k miles could be prudent. Overall it is a practical upgrade for drivers who want longer service intervals and slightly enhanced breathing without modifying the intake system.
Best for: Owners focused on performance and lower maintenance frequency who want a direct-fit filter that improves airflow and extends service intervals on a high-torque diesel truck.
Less Ideal for: Drivers who regularly operate in extreme dust, frequent deep-offroad, or agricultural environments where disposable filters replaced more often are safer.
- Extended 24,000-mile service life reduces frequency of replacements
- Treated filter media rated to provide up to 99.5% engine protection
- Designed for direct, vehicle-specific fit into the factory air box
- Improved airflow compared with standard disposable filters for better engine breathing
- Long-life media may still need earlier replacement in very dusty or off-road conditions
Verdict: Choose this filter if you want a direct-fit, performance-minded replacement that extends service intervals and improves airflow on your F-350 diesel.
3. Forccord 2-Pack Engine Air Filters for 6.7L Powerstroke (fits 2020–2026 F250/F350/F450/F550)
| Compatible Vehicles | 2020–2026 Ford F250/F350/F450/F550 6.7L Powerstroke |
|---|---|
| Replacement Part Number | FA2031 LC3Z-9601B WA10905 |
| Pack Quantity | 2 engine air filters |
| Product Grade | Replacement Part |
These Forccord engine air filters are a vehicle-specific replacement for 2020–2026 Ford F250, F350, F450, and F550 with the 6.7L Powerstroke. They install in the factory airbox using the same mounting points and are intended to capture fine dust, hair, and other particulates with HV filter paper claimed to trap up to 99.9% of impurities. The kit ships as a two-pack so you get a spare for the next service interval. The seller notes a service life up to about 20,000 miles, which reduces frequency of changes compared with standard filters, and the molded plastic frame is made to resist corrosion and maintain a good seal. Practical users will appreciate the OEM-equivalent fit numbers listed for easy cross-referencing. Limitations: longevity and filtration claims come from the manufacturer rather than independent testing, and real-world life will vary with heavy towing or severe dust conditions. Fitment is limited to the specified Powerstroke 6.7L models so confirm year and engine before buying.
Best for: A practical buyer who wants a direct-fit replacement that reduces maintenance frequency and simplifies servicing for a 6.7L Powerstroke truck.
Less Ideal for: Drivers who operate in extreme off-road dust, heavy towing, or commercial duty cycles should consider heavy‑duty or performance filters with independent test data instead.
- Vehicle-specific fit for 6.7L Powerstroke trucks matching listed OEM part numbers
- Sold as a two-pack so you have a spare at the next service interval
- High-precision HV filter paper claimed to capture very fine particulates
- Molded plastic frame designed for corrosion resistance and a secure seal
- Filtration efficiency and 20,000-mile life claim are manufacturer provided and not independently verified
Verdict: Choose this two-pack when you want a direct-fit, longer-life replacement for the 6.7L Powerstroke that reduces how often you change the air filter.
4. X4XZ FA2031 Engine Air Filter for 2020-2022 Ford Super Duty 6.7L Diesel
| Brand Name | X4XZ |
|---|---|
| Model Number | FA2031 |
| Manufacturer Part Number | LC3Z-9601B |
| Fit Type | Vehicle Specific Fit |
This X4XZ FA2031 is a direct replacement engine air filter made to fit 2020–2022 Ford F250/F350/F450/F550 Super Duty trucks with the 6.7L Powerstroke diesel. It installs in the factory airbox and is intended to trap dust and other particles to protect the engine from accelerated wear. The filter media is microfiber adhesive paper, which the maker says offers fine filtration, good breathability, and solid dust-holding capacity. In practice that means it should provide reliable day-to-day protection and maintain airflow close to factory expectations while you drive on highways or around job sites. It is not a genuine factory part but is marketed as a direct-fit replacement and comes as a single unit that is easy to swap without tools in many cases. Limitations are that specific long-term filtration performance and service life depend on driving conditions and the seller does not provide detailed lab data; buyers looking for premium or performance-grade filters may want a different option focused on extended service intervals.
Best for: Drivers who need an inexpensive, direct-fit replacement filter for routine maintenance on 2020–2022 6.7L Super Duty trucks and prioritize straightforward, low-cost upkeep over premium filtration claims.
Less Ideal for: Those seeking performance-oriented filters, extended service intervals, or verified lab-certified filtration should consider higher-end or specialty options instead.
- Vehicle-specific fit for 2020–2022 Ford Super Duty 6.7L diesel models for straightforward installation
- Microfiber adhesive paper media designed for fine filtration and good dust-holding capacity
- Direct replacement form factor that installs in the factory airbox without modification
- Single-unit packaging simplifies one-for-one swap during routine maintenance
- Not a factory-brand part so long-term durability and exact filtration performance are not independently verified
- Manufacturer does not publish detailed performance or lab filtration data
Verdict: A budget-friendly, vehicle-specific replacement that makes routine air filter swaps quick and simple for 2020–2022 Ford 6.7L Super Duty trucks.
5. Doc's Diesel Engine Air Filter DPA6109 for Ford 6.7L Powerstroke (2011–2016)
| Fitment | Ford 6.7L Powerstroke F250/F350/F450/F550 2011-2016 |
|---|---|
| Interchange | Replaces Motorcraft FA1902; Wix 49902; Baldwin PA4433; Purolator TA36109 |
| Tested efficiency | 99.25% dust capture |
| Dust holding capacity | 344.2 g |
Doc's Diesel DPA6109 is a direct-fit engine air filter made to replace factory units on 6.7L Powerstroke F-series trucks from 2011 to 2016. It uses deep-pleated filter media and a heavy-duty silicone gasket to trap fine dust and maintain a tight seal in dusty or heavy-use conditions. The manufacturer reports third-party test results showing very high dust-holding capacity and capture efficiency, which translates to longer intervals between service in clean-air environments and better protection for the turbocharged diesel intake. Installation follows standard airbox replacement steps and requires no modification. Practical benefits include strong particulate filtration, a durable sealing surface that resists collapse during rough driving, and compatibility with common aftermarket interchange numbers. Limitations are that it is an aftermarket replacement rather than a factory-branded part and vehicle owners should still follow manufacturer service intervals; very frequent heavy towing or extreme off-road use may require more aggressive service schedules than stock recommendations.
Best for: Drivers who need a dependable, high-filtration replacement for routine and heavy-duty use and who prioritize engine protection and long service intervals.
Less Ideal for: Buyers seeking original factory-branded parts for warranty or brand-preference reasons or those who prefer a reusable performance filter option.
- Deep-pleated filter media for high dust capture and extended service life
- Heavy-duty silicone gasket that maintains a secure seal under vibration and dust
- Third-party tested dust holding capacity indicating reliable filtration performance
- Aftermarket replacement rather than factory-branded part
Verdict: Choose this filter if you want a robust, high-dust-capacity replacement that keeps a 6.7L Powerstroke engine well protected under regular and dusty operating conditions.
6. Motorcraft FA1927 Replacement Air Filter Element
| Model Number | FA1927 |
|---|---|
| OEM Equivalent Part Number | HC3Z-9601-A |
| Product Grade | Replacement Part |
| Fit Type | Vehicle Specific Fit |
The Motorcraft FA1927 is a direct-fit replacement air element designed to deliver factory-quality filtration for compatible Ford diesel engines. It installs like a stock part and is intended for routine air filter service to protect the intake and turbocharger from dust and debris. The filter is built to Motorcraft specifications and backed by a two-year unlimited mileage warranty, which provides extra assurance for buyers who prioritize reliability. In practice it offers the expected balance of airflow and filtration for OEM-style replacement intervals and is straightforward to swap during scheduled maintenance. Limitations are minimal: this is a factory-style replacement so it does not aim to increase performance or airflow beyond stock, and it must be matched to the correct vehicle application to ensure fit. For anyone seeking a dependable, OEM-aligned air element for their Ford diesel, the FA1927 is a sensible, low-risk choice.
Best for: Buyers who want a low-risk, factory-aligned replacement filter that matches the original part and prioritizes reliability and documented warranty coverage.
Less Ideal for: Shoppers seeking high-flow performance filters or those who want a universal or modified-fit solution should look elsewhere.
- Factory-quality fit and function engineered for Ford and Lincoln applications
- Backed by a two-year unlimited mileage warranty for added buyer confidence
- Direct-fit installation that replaces the original air element without modification
- Designed to balance airflow and filtration for routine maintenance intervals
- Not intended to increase airflow or performance beyond stock specifications
- Requires correct vehicle-specific part match to ensure proper fit
Verdict: Choose the Motorcraft FA1927 when you want a factory-matching, warranty-backed air filter that minimizes risk and maintains stock filtration performance.
7. YZQPNB FA1927 Replacement Air Filter Element for 6.7L Powerstroke (2017–2019)
| Fit Type | Vehicle Specific Fit |
|---|---|
| Product Grade | Replacement Part |
| Included Components | 1x Air Filter |
| OEM Equivalent Part Number | FA1927, HC3Z-9601-A, PA8219 |
This YZQPNB FA1927 is a vehicle-specific replacement air filter intended for 2017–2019 Ford F-250/F-350/F-450/F-550 Super Duty trucks with the 6.7L Powerstroke. It installs in the factory airbox in minutes using the stock clamps and serves the same purpose as the factory element: trapping dust and debris before air enters the engine. The listing cites multiple equivalent part numbers so it fits the factory housing and follows the same installation steps as the original. For everyday driving and towing it offers straightforward filtration to reduce engine wear and maintain performance when swapped at normal service intervals. Because it is an aftermarket replacement rather than a branded factory part, buyers should expect typical aftermarket variability in fit and media quality compared with a manufacturer-branded filter. Still, for routine maintenance this filter provides an affordable, easy-to-install way to keep intake air clean between scheduled changes.
Best for: Buyers who prioritize reliable, straightforward maintenance and want an affordable direct-replacement filter to keep a 6.7L Powerstroke running smoothly on a regular service schedule.
Less Ideal for: Shoppers seeking performance upgrades, specialized high-flow filters, or guaranteed factory-brand parts should consider alternative premium or OEM options.
- Vehicle-specific fit for 2017–2019 6.7L Powerstroke Super Duty models so it installs in the stock airbox
- Listed as direct replacement for multiple factory part numbers for easier cross-reference
- Simple drop-in installation using existing clamps makes service quick
- Provides basic particulate filtration to help reduce engine wear between changes
- Aftermarket unit so filter media and long-term durability may vary from factory-brand parts
Verdict: A practical, vehicle-specific replacement that keeps intake air clean and supports routine engine maintenance for 2017–2019 6.7L Powerstroke Super Duty trucks.
Choosing the Right Ford F-350 6.7L Diesel Air Filter: Key Factors to Consider
Filtration Efficiency and Particle Retention
For a turbocharged 6.7L Diesel, filtration efficiency is critical because diesel combustion and turbocharging make the engine sensitive to fine particulate contamination.
Higher particle retention lowers the risk of abrasive wear to turbocharger compressor blades, cylinder liners, and fuel injection components. Look for filters that specify micron ratings or laboratory-tested efficiency percentages. Remember that extremely restrictive media can reduce airflow, so balance efficiency with the engine's need for unrestricted intake under load.
Airflow and Pressure Drop
Airflow capacity and low pressure drop are important for maintaining turbo response and peak power, especially during towing or heavy load conditions.
A filter that offers excellent filtration but chokes airflow will hurt throttle response and may increase intake tract temperatures. Consider filters that publish flow rates or pressure-drop figures, and prefer designs that retain high flow as they load with dirt. For the 6.7L Diesel, steady airflow under sustained high-demand situations is as important as initial flow numbers.
Fitment and Seal Integrity
Correct fitment to the F-350 6.7L Diesel airbox ensures a reliable seal so unfiltered air cannot bypass the media.
An imperfect seal negates the benefit of even the best media by allowing ingress of dust and moisture. Inspect flange design, gasket quality, and whether the filter is a direct drop-in for the 6.7L Diesel airbox. Filters designed specifically for this configuration reduce installation time and the risk of leaks that can introduce contamination or trigger intake sensors.
Media Type and Construction
Filter media options include paper, cotton, synthetic, and multi-layer composite constructions, each with tradeoffs in service life, flow, and cleanability.
Paper media often provide good initial efficiency at low cost but may load faster in dusty conditions. Cotton or synthetic media can offer higher flow and reusable options but require correct cleaning and re-oiling procedures if applicable. For diesel applications, choose media that resists oil and moisture and maintains shape under heat and vibration.
Service Interval and Maintenance
Maintenance frequency affects ownership cost and downtime. The 6.7L Diesel may be used in heavy-duty cycles that accelerate loading, so realistic service intervals matter.
Consider recommended cleaning or replacement intervals under normal and severe service. Some filters advertise extended life but need specific cleaning protocols. Match the maintenance cadence to how you use the truck: frequent towing, dusty work sites, or primarily highway driving will change the recommended interval.
Durability and Environmental Resistance
Trucks often face moisture, road salt, oil fumes, and vibration. A durable filter frame and media that resist collapse, moisture ingress, and chemical exposure reduce the chance of premature failure.
Look for reinforced frames, corrosion-resistant gaskets, and media treated to resist oil and moisture. Robust filters maintain shape and seal over long service intervals, which is particularly valuable for the F-350 used in towing or construction environments.
Diesel-Specific Contaminants and Why They Matter
Diesel engines produce soot and very fine particulates that differ from typical gasoline engine dust. These particles are abrasive and can accelerate wear in tight-tolerance components like turbocharger compressors and high-pressure fuel systems. For the 6.7L Diesel, addressing soot loading and fine particulates helps preserve turbo efficiency and fuel injection longevity.
- Soot particles can embed in valve guides and cylinder liners over time.
- Fine particulates can reduce turbocharger efficiency by eroding compressor surfaces.
- Particle-laden intake air can increase oil contamination in some duty cycles.
Installation Tips for a Proper Seal
To ensure the air filter seals correctly in the F-350 6.7L Diesel airbox, clean the mounting flange and inspect the airbox for nicks or warps before installing the new filter. Seat the filter squarely and confirm any clamps or retention tabs engage fully. Hand-tighten clamps to manufacturer torque guidance where provided.
- Wipe mating surfaces to remove oil and debris before fitting the new filter.
- Check gaskets or O-rings for cracks and replace if they look compromised.
- After installation, start the engine and listen for unusual intake whistling that may indicate a leak.
When to Replace Versus Clean a Reusable Filter
Reusable filters can save waste and cost if maintained correctly, but they require proper cleaning, drying, and, if applicable, re-oiling. For diesel trucks that operate in very dusty or oily environments, repeated cleaning cycles may degrade media and sealing surfaces. If cleaning does not restore uniform appearance and flow characteristics, replacement is safer.
- Follow the manufacturer's cleaning intervals and procedures closely.
- Inspect reusable media for tears, compressed pleats, or persistent stains after cleaning.
- Keep track of how many cleanings the filter has undergone; materials fatigue over multiple service cycles.
Effects on Fuel Economy and Power Delivery
A clean, properly flowing air filter helps the engine maintain the correct air-fuel balance, which supports efficient combustion. While changes in real-world fuel economy are typically modest, a highly restrictive filter or one that bypasses filtration can both negatively affect performance and consumption. For heavy towing or sustained high-load operation, preserving airflow has a direct impact on sustained power output.
- Minor improvements in highway fuel economy can come from reduced intake restriction.
- Restoring airflow after prolonged restriction reduces turbo lag and helps maintain power under load.
- Avoid filters that sacrifice necessary filtration performance for marginal airflow gains.
Still looking for the perfect fit?
Select your Ford F-350 configuration to see the most relevant Air Filters recommendations
How We Chose the Best Ford F-350 6.7L Diesel Air Filter
We applied a vehicle-focused editorial process to compile the shortlist of seven air filters for the Ford F-350 6.7L Diesel. Evaluation emphasized criteria that matter for a heavy-duty turbo diesel truck rather than generic passenger-car metrics. Key criteria included filtration efficiency against fine diesel soot and dust, airflow characteristics under load, and service interval expectations in towing or off-road use. We also examined fitment precision to the 6.7L airbox, construction quality of the media and frame, and resistance to moisture and oil contamination.Products were excluded if specifications did not clearly indicate compatibility with the F-350 6.7L Diesel airbox or if the filter media lacked manufacturer data on particle retention. We favored filters that balance durable construction with realistic maintenance cycles and those offering clear installation guidance. Final selection prioritized reliability, longevity, and measurable protection for diesel-specific contaminants over theoretical performance claims.
Our full evaluation process is outlined in our review methodology.
FAQ
How often should I change the air filter in my Ford F-350 6.7L Diesel?
It depends on driving conditions. Under normal highway use, many owners change the engine air filter every 15,000 to 30,000 miles. In dusty or towing-heavy service, inspect the filter more frequently and consider replacement or cleaning every 10,000 miles or sooner.
Can I use a reusable air filter in the 6.7L Diesel?
Yes, reusable filters can work if they are designed for the 6.7L airbox and you follow proper cleaning procedures. Be cautious with re-oiling products; excess oil can affect intake sensors and turbocharger components if not applied correctly.
Will a higher-flow filter damage my 6.7L Diesel engine?
A higher-flow filter itself does not damage the engine if it still provides adequate filtration and seals correctly. Problems arise when a filter sacrifices particle retention for flow or allows bypass. Choose a filter that balances flow with proven filtration efficiency.
How do I check for a proper seal after installing a new air filter?
Visually confirm the filter sits squarely and that gaskets or flanges are flush. After starting the engine, listen for intake whistling or unusual noises and inspect the airbox joint areas for signs of dust ingress after a short drive.
Does the air filter affect turbocharger life on the 6.7L Diesel?
Yes. Poor filtration lets abrasive particles reach the turbocharger, which can erode compressor blades and reduce efficiency over time. Maintaining effective particle retention helps protect turbo components.
Are there size differences I should be aware of when buying a replacement filter?
Always use filters specified for the F-350 6.7L Diesel airbox. While some filters may appear similar, small differences in flange diameter, thickness, or seal location can allow unfiltered air to bypass the media. Verify fitment details before purchase.
Final Verdict
Prioritize a filter that balances reliable particle retention with steady airflow for the Ford F-350 6.7L Diesel. Consider the truck's duty cycle: towing, off-road work, and dusty conditions push you toward more robust media and shorter service intervals, while mostly highway driving allows longer replacement spans. Durable sealing and correct fitment are non-negotiable because even the best media cannot protect the engine if air bypasses the filter.Use the evaluation criteria in this guide to weigh filtration efficiency, airflow, maintenance demands, and environmental durability. Choosing a filter that fits correctly and matches your service conditions will protect the turbocharger and fuel system while preserving performance and fuel economy.
