Introduction

The 2022 RAM 2500 is a powerful heavy-duty truck designed for demanding workloads and tough driving conditions. At the heart of its performance and protection system are two crucial components: the engine air filter and the cabin air filter. Proper maintenance of these filters is essential for optimal engine performance, fuel efficiency, and cabin air quality. This comprehensive guide will provide detailed information about the types, functions, replacement intervals, and DIY procedures for both air filters in your 2022 RAM 2500, helping you make informed decisions about maintenance and upgrades .

Understanding the role and maintenance requirements of these filters can save you from costly repairs down the road while ensuring your truck performs at its best. Whether you use your RAM 2500 for heavy towing, commercial work, or daily driving, this guide will equip you with the knowledge needed to keep your vehicle's "respiratory system" functioning optimally .

Understanding Your 2022 RAM 2500's Air Filter System

The Two Essential Filters

Your 2022 RAM 2500 utilizes two separate air filtration systems, each serving a distinct purpose. The engine air filter is located in the engine bay and is responsible for cleaning the air entering your engine. It removes harmful particles such as dirt, dust, and debris that could potentially damage engine components. Since engines require a substantial amount of air to burn fuel efficiently, any contamination in this air supply can lead to reduced performance and potentially expensive repairs .

The cabin air filter, typically located behind the glove compartment, is designed to clean the air that enters your vehicle's interior through the heating, ventilation, and air conditioning (HVAC) system. This filter traps allergens like pollen and mold, along with pollutants such as smog and dust, ensuring that the air you and your passengers breathe is clean and healthy. For the 2022 model year, RAM has upgraded the cabin air filter to an N95 type, providing enhanced filtration for improved air quality inside the vehicle .

Why Both Filters Matter

Both filters play critical roles in your vehicle's operation and your comfort. A clean engine air filter ensures optimal air-fuel mixture, leading to better combustion, improved horsepower, and enhanced fuel efficiency. According to service manuals, neglecting engine air filter replacement can lead to a noticeable loss of power and decreased fuel economy, which is particularly important for a heavy-duty truck like the RAM 2500 that often handles demanding tasks .

The cabin air filter, while not directly affecting engine performance, significantly impacts your driving experience and health. A clogged cabin filter can reduce airflow from your vents, create unpleasant odors, and allow allergens and pollutants to circulate inside the vehicle. For individuals with allergies or respiratory issues, this can make driving uncomfortable or even unhealthy. Additionally, the 2022 RAM 2500's upgraded N95 cabin filter provides superior protection against finer particles, representing a significant improvement in cabin air quality over previous models .

Types of Air Filters for Your 2022 RAM 2500

OEM vs. Aftermarket Filters

When replacing your RAM 2500's air filters, you'll face a choice between Original Equipment Manufacturer (OEM) and aftermarket options. OEM filters, such as those from Mopar (RAM's official parts brand), are designed specifically for your vehicle and guarantee perfect fitment and performance consistent with factory specifications. These filters typically come with a higher price tag but offer peace of mind regarding quality and compatibility. The Mopar 53034051AB is an example of a genuine OEM air filter designed specifically for RAM models .

Aftermarket filters, produced by third-party manufacturers, often provide cost savings and sometimes enhanced features. Reputable aftermarket brands include FRAM, K&N, ECOGARD, and KAX, which offer filters with various benefits such as extended service intervals or improved airflow. While aftermarket filters can provide excellent value and performance, it's crucial to select reputable brands to ensure quality and compatibility with your vehicle .

Performance Air Filters

For owners seeking improved performance, high-flow air filters from brands like K&N and AIRAID present an attractive option. These filters typically use cotton gauze or synthetic media that allows more air to pass through while still providing adequate filtration. The increased airflow can result in modest horsepower gains and improved throttle response, particularly noticeable during acceleration or when towing heavy loads .

K&N's High-Flow Original Lifetime Engine Air Filter is a popular performance option that is washable and reusable, featuring multiple layers of premium cotton gauze treated with a special tacking agent for effective filtration. Unlike disposable paper filters, these performance filters can last the lifetime of your vehicle with proper maintenance, potentially offering long-term cost savings despite their higher initial price .

AIRAID offers performance intake systems that replace the stock air box and filter, claiming horsepower increases of approximately 12.4 HP at 2250 RPM for the 6.7L diesel engine. These systems often feature washable filters and redesigned intake pathways for improved airflow. However, it's important to note that some performance intake systems may not be legal for use in California on pollution-controlled vehicles .

Specialized Diesel Engine Filters

For RAM 2500 models equipped with the 6.7L Cummins turbo-diesel engine, specialized filters are available that address the unique demands of diesel operation. Diesel engines typically have higher compression ratios and different combustion characteristics than gasoline engines, making effective filtration particularly important. Brands like Doc's Diesel offer heavy-duty air filters specifically designed for the 6.7L Cummins engine, featuring deep-pleated media and robust silicone gaskets for superior sealing in demanding conditions .

These specialized diesel filters often emphasize maximum dirt-holding capacity and filtration efficiency to protect the turbocharger and precise fuel injection systems that are vulnerable to damage from ingested contaminants. Some aftermarket options for the Cummins diesel engine claim filtration efficiency as high as 99.9%, effectively capturing soot, dust, and other particulates common in diesel operating environments .

When to Replace Your RAM 2500's Air Filters

Recommended Replacement Intervals

According to the 2022 RAM 2500 service manual, you should replace your engine air filter and cabin air filter every 10,000 miles when driving in extreme conditions, and every 15,000-30,000 miles under normal driving conditions. Extreme conditions include frequent driving on dusty or gravel roads, areas with high pollen counts, or extensive idling and low-speed operation. If you regularly drive in polluted areas or regions with high allergen levels, replacing your filters annually is recommended, regardless of mileage .

While these guidelines provide a good baseline, your actual replacement schedule may vary based on your specific driving environment. For instance, if you use your RAM 2500 for agricultural purposes, construction site access, or frequently drive on unpaved roads, you may need to replace your filters more frequently. Many service centers, including RAM dealerships, typically check air filters during oil change services, often providing this inspection free of charge .

Signs That Your Air Filters Need Replacement

Beyond following mileage-based replacement intervals, it's important to recognize the symptoms of clogged or dirty air filters:

​Engine Air Filter Warning Signs:​​

• Visible dirt and debris on the filter element
• Unusual noises from the engine when idling
• Dark smoke emanating from the exhaust
• Reduced acceleration response
• Illuminated service engine light on your dashboard
• Sluggish engine startup
• Residue buildup around the engine air intake
• Decreased fuel efficiency

​Cabin Air Filter Warning Signs:​​

• Unusual increase in noise from air vents
• Noticeable reduction in airflow from ventilation system
• Persistent unpleasant odors when the HVAC system is active
• Increased allergy symptoms while driving

If you notice any of these symptoms, inspect your air filters promptly and replace them if necessary. A visual inspection can provide clear evidence of a filter's condition—a clean filter typically appears white or off-white, while a dirty filter will be dark with accumulated debris .

DIY Replacement Guide

Replacing the Engine Air Filter

Replacing the engine air filter in your 2022 RAM 2500 is a straightforward process that most owners can accomplish with basic tools. Before beginning, ensure the engine is off and cool to the touch. You'll need a screwdriver (potentially both flathead and Phillips, depending on your specific model) and possibly a Torx bit set .

1. ​Locate the Air Filter Housing: Open the hood and find the air filter housing, which is typically a black plastic box situated near the engine. The exact location varies between the 6.4L Hemi V8 gasoline engine and the 6.7L Cummins turbo-diesel engine.

2. ​Open the Housing: The housing is secured with clips, screws, or a combination of both. Carefully remove these fasteners and set them aside in a safe place where they won't be lost.

3. ​Remove the Old Filter: Lift the housing cover and take out the old air filter. Take note of how the filter is positioned, observing which side faces up and the orientation of any sealing surfaces.

4. ​Clean the Housing: Before installing the new filter, use a clean cloth to wipe out the interior of the air filter housing, removing any accumulated dirt or debris. Take care that no foreign material falls into the intake tube.

5. ​Install the New Filter: Place the new filter into the housing, ensuring it's properly seated and oriented correctly. Most filters have arrows indicating proper installation direction—typically pointing toward the engine.

6. ​Reassemble the Housing: Replace the housing cover and securely fasten all clips or screws. Make sure the housing is properly sealed to prevent unfiltered air from entering the engine .

The entire process typically takes about 20-30 minutes for a first-time DIYer, making it an accessible maintenance task for most truck owners .

Replacing the Cabin Air Filter

The cabin air filter in the 2022 RAM 2500 is typically located behind the glove compartment, though some models may have it under the dashboard or under the hood. Replacement is generally straightforward and requires minimal tools .

1. ​Access the Filter Compartment: For filters located behind the glove box, open the glove compartment and remove its contents. Squeeze the sides of the glove box to allow it to descend further, providing access to the filter panel behind it. Some models may require removing a few screws or clips to access the filter panel.

2. ​Remove the Old Filter: Once you've exposed the filter compartment, remove the cover panel. Carefully slide out the old cabin air filter, noting its orientation (most filters have arrows indicating airflow direction).

3. ​Install the New Filter: Insert the new cabin air filter, ensuring the airflow arrows point in the correct direction (typically facing downward or toward the blower motor). Proper orientation is crucial for optimal performance.

4. ​Reassemble: Replace the access panel and reinstall the glove box or under-dash panels that were removed during the process.

5. ​Test the System: Start your vehicle and turn on the HVAC system to verify proper operation and improved airflow .

The cabin air filter replacement typically takes 15-20 minutes and requires only basic tools like a screwdriver. If you encounter resistance during removal or installation, double-check that you've properly released all fasteners and that the filter is correctly oriented .

Cost Considerations

Filter Prices

Air filter costs for the 2022 RAM 2500 vary based on type, brand, and quality. Engine air filters typically range from 20 to 45, while cabin air filters generally cost between 15 and 35. Performance filters, such as those from K&N or specialized diesel filters, may cost significantly more—sometimes $90 or higher—but often offer longer service life or reusable designs that can provide better long-term value .

OEM Mopar filters typically command a premium price, with examples like the Mopar 53034051AB air filter priced around 38. Aftermarket options from reputable brands like FRAM offer more budget-friendly alternatives, with the FRAM CA10261 typically priced around 20. The KAX GAF040 filter falls in the mid-price range at approximately $23, while offering an extended service life of up to 20,000 miles .

Professional Installation vs. DIY

While replacing air filters is a relatively simple DIY task, some owners prefer professional installation. Dealerships and repair shops typically charge about 30 minutes of labor for air filter replacement, which, combined with the cost of the filter, brings total replacement cost to between 70 and 78 on average for a single filter .

If you choose professional installation, many dealerships offer package deals or coupons for air filter services. For example, Kahlo Chrysler Dodge Jeep Ram frequently promotes discounts on air filters and includes a free multi-point vehicle inspection with service appointments. These inspections can help identify other potential issues before they become major problems .

For DIY-inclined owners, replacing both filters at home can yield significant savings. The combined cost of both filters typically ranges from 35 to 70 when purchasing quality aftermarket options, compared to $140 or more for professional replacement of both filters. These savings can add up significantly over the life of your vehicle, especially considering recommended replacement intervals .

Making the Right Choice for Your Truck

Selecting the Best Filter for Your Needs

Choosing the appropriate air filter for your 2022 RAM 2500 depends on several factors, including your typical driving conditions, performance expectations, and budget considerations. For most owners, a quality aftermarket filter from a reputable brand like FRAM or WIX provides an excellent balance of performance, protection, and value. These filters typically offer good filtration efficiency at a reasonable price point, with replacement intervals of 12,000-15,000 miles .

If you frequently drive in demanding conditions—such as dusty environments, extreme temperatures, or while towing heavy loads—consider upgrading to a premium filter with enhanced durability and filtration capabilities. The KAX GAF040 filter, for example, boasts 99.9% filtration efficiency and a potential service life of up to 20,000 miles, making it well-suited for severe service applications .

For performance-oriented owners seeking maximum horsepower and throttle response, high-flow filters from brands like K&N or AIRAID may be worth the investment. These filters typically increase airflow while maintaining adequate filtration, with some claiming horsepower gains of 10-12 HP for diesel applications. Though more expensive initially, their reusable design can provide long-term savings for owners who plan to keep their trucks for extended periods .

Compatibility Considerations

When purchasing replacement air filters for your 2022 RAM 2500, always verify compatibility with your specific engine type. The 6.4L Hemi V8 gasoline engine and the 6.7L Cummins inline-six turbo-diesel engine require different filters, and using an incorrect filter can lead to poor performance or even engine damage .

Many aftermarket filters are designed to fit multiple applications. The FRAM CA10261, for instance, is compatible with both gasoline and diesel versions of the RAM 2500, as well as with various other Dodge Ram models from 2007 to 2022. This cross-compatibility can be convenient for owners with multiple vehicles or fleets with varied compositions .

Before purchasing, double-check that the filter matches your vehicle's year, make, model, and engine size. Most reputable retailers provide compatibility checking tools on their websites, and many filters list compatible vehicles directly on their packaging. When in doubt, consult your owner's manual or speak with a parts specialist at your local dealership or auto parts store .

Conclusion

Proper maintenance of your 2022 RAM 2500's air filters is essential for protecting your investment and ensuring optimal performance, efficiency, and cabin comfort. By understanding the different filter options, recognizing replacement indicators, and following proper replacement procedures, you can maintain your truck's performance while potentially avoiding costly repairs down the road.

Regular air filter maintenance is a relatively small investment that pays significant dividends in engine longevity, fuel efficiency, and driving comfort. Whether you choose OEM filters for guaranteed compatibility or aftermarket options for enhanced performance or value, consistent maintenance according to the recommended schedule will help keep your RAM 2500 operating at its best for years to come .

For most RAM 2500 owners, checking filters with each oil change and replacing them based on both mileage and driving conditions represents the optimal approach to air filter maintenance. With the information provided in this guide, you're now equipped to make informed decisions about maintaining this crucial aspect of your vehicle's health and performance.