K&N Air Filter Technical Spec Sheet: Fitment, Media, and Sizing

Best for: Custom induction systems and aftermarket piping

Pros

• Molded pliable rubber flange absorbs vibration
• Generous 6-inch flange inner diameter
• High-surface-area round tapered cone profile

Cons

• Shorter 1-year limited warranty coverage

Best for: Toyota and import crossover commuter vehicles

Pros

• Includes warranty card and decal
• Pre-oiled drop-in replacement panel
• Four-layer high-flow cotton gauze
• Increases airflow up to 50 percent

Cons

• Listing omits OEM cross-reference numbers

Best for: Dodge and Ram heavy-duty truck owners

Pros

• Matches multiple Mopar OEM numbers
• Durable 0.88 kg construction
• Four layers of cotton protection
• Limited lifetime warranty

Cons

• Substantial 0.88 kg unit weight

Best for: Ford F-Series and Lincoln SUV owners

Pros

• Direct Ford OEM cross-reference replacement
• High-flow reusable cotton gauze media
• 75,000-mile highway service interval
• Made in USA

Cons

• Listing does not specify weight

Best for: GM truck and full-size SUV drivers

Pros

• Direct GM OEM replacement
• Four-layer oiled cotton gauze
• 75,000-mile highway cleaning interval
• Made in USA

Cons

• Heavier 1.3-pound unit weight

The K&N High-Flow Original Lifetime Engine Air filter with manufacturer part number 33-5083 is designed for modern full-size General Motors truck and SUV platforms. Compatible with 2019 through 2026 model years of the Cadillac Escalade, Chevrolet Silverado, Suburban, Tahoe, GMC Sierra, and Yukon, this direct replacement matches OEM equivalent part numbers 84121217 and 84121219. Weighing 1.3 pounds, the pre-treated assembly drops directly into the factory air box without cutting or housing modifications.

Filtration relies on four layers of premium cotton gauze treated with a specialized tacking agent, capturing contaminants across the media depth while increasing airflow up to 50 percent. The filter requires cleaning only once every 75,000 miles under normal highway driving conditions, representing approximately five years based on 15,000 annual driving miles. Made in the United States, it is backed by a limited lifetime warranty. This model suits GM truck owners wanting stock fitment, but yields to the 33-2385 for Ford applications and clamp-on designs for custom piping.

• Direct replacement for GM OEM part numbers 84121217 and 84121219
• Four layers of oiled cotton gauze media engineered for depth filtration
• Cleaning interval specified at 75,000 miles under normal highway driving
• Pre-treated drop-in assembly manufactured in the USA with lifetime warranty

The K&N High-Flow Original Lifetime Engine Air filter carrying part number 33-2385 provides dedicated intake filtration for Ford and Lincoln platforms. Fitting 2007 through 2026 models including the Ford F-150 through F-560 series, Expedition, and Lincoln Navigator, this unit matches OEM equivalent part numbers 7C3Z9601A, AL349601CA, and Motorcraft FA1883. The listing does not specify item weight, but the molded frame fits factory Ford air boxes precisely.

Manufactured in the United States, this k&n replacement air filter employs four layers of cotton gauze treated with a specialized tacking agent to improve airflow up to 50 percent over stock paper elements. Designed to outlast 10 or more disposable filters, it requires cleaning only once every 75,000 miles under normal highway driving conditions. The pre-treated filter carries a 10-Year or Million Mile Limited Warranty. It suits Ford fleet and towing owners, giving way to the 33-2247 for Dodge and Ram trucks.

• Matches Ford OEM part numbers 7C3Z9601A, AL349601CA, and Motorcraft FA1883
• Fits 2007 to 2026 Ford F-Series trucks, Expedition, and Lincoln Navigator
• Four-layer cotton gauze media increases airflow up to 50 percent
• Pre-treated reusable design backed by a limited lifetime warranty

The K&N High-Flow Original Lifetime Engine Air filter with part number 33-2247 serves heavy-duty Dodge and Ram trucks. Engineered for select 2002 through 2026 Ram 1500, 2500, 3500, 4500, and 5500 models, it cross-references Mopar OEM part numbers 53032404AB, 68190705AA, 68319604AA, and 68441763AA. Weighing 0.88 kg, this sturdy replacement element provides a tight perimeter seal inside heavy-duty truck air cleaner assemblies.

The filter media utilizes four layers of premium cotton gauze treated with a specially designed tacking agent to trap abrasive dirt while improving airflow up to 50 percent. Pre-oiled for immediate drop-in installation, it features a 75,000-mile highway cleaning cycle and limited lifetime warranty coverage. This model is optimal for Ram truck owners requiring heavy hauling airflow. It yields to the 33-2443 for passenger cars and universal clamp-on filters for custom intake plumbing.

• Cross-references OEM part numbers 53032404AB, 68190705AA, 68319604AA, and 68441763AA
• Engineered for Ram 1500 through 5500 truck air boxes from 2002 to 2026
• Durable 0.88 kg frame with four layers of oiled cotton gauze media
• Washable design with a 75,000-mile highway service interval

The K&N High-Flow Original Lifetime Engine Air filter with part number 33-2443 addresses compact and midsize vehicle segments. Fitting select 2010 through 2026 Toyota, Lexus, Mitsubishi, and Fiat models, this drop-in replacement weighs 16 ounces. The package includes the air filter, warranty card, and decal. The listing does not specify OEM cross-reference numbers, so buyers must verify engine-specific compatibility before ordering.

Its filtration media features four layers of cotton gauze treated with a specialized tacking agent, boosting airflow by up to 50 percent compared to disposable paper. Engineered to outlast 10 disposable filters, the pre-treated unit drops directly into factory air boxes. It adheres to the standard 75,000-mile highway cleaning schedule and carries a limited lifetime warranty. It is ideal for Toyota and import commuter cars, stepping aside for conical clamp-on units on custom piping.

• Compatible with select 2010 to 2026 Toyota, Lexus, Mitsubishi, and Fiat vehicles
• Four layers of oiled cotton gauze media boost airflow up to 50 percent
• Includes replacement air filter, warranty registration card, and decal
• Lightweight 16-ounce unit backed by a limited lifetime warranty

The K&N High-Flow Original Lifetime Universal Clamp-On air filter with part number RU-1041 provides universal induction capability. Built in a round tapered cone shape, it features a 6-inch flange diameter, 7.5-inch filter height, and a 1-inch flange length. An ultra-strong molded pliable rubber flange absorbs vibration and clamps securely onto aftermarket metal or composite intake tubing.

Internally, the filter uses four layers of cotton gauze treated with a specialized tacking agent, maximizing surface area and flow rates for high-performance builds. The unit arrives pre-oiled, cleans every 75,000 miles under highway conditions, and helps reduce landfill waste. Unlike stock replacement panels, the listing specifies a 1-Year Limited Warranty. It suits custom fabricators and forced-induction builds, yielding to drop-in panels when original air boxes are retained.

• Universal clamp-on conical design with 6-inch flange and 7.5-inch height
• Molded pliable rubber flange absorbs vibration for secure attachment
• Four layers of oiled cotton gauze media optimized for custom intakes
• Pre-oiled washable construction supported by a 1-Year Limited Warranty

Best for: Chevy SS Sedan passenger cabin protection

Pros

• Washable and reusable HVAC filtration
• Protects interior and HVAC blower motor
• Endures full vehicle lifespan

Cons

• Listing does not specify dimensions

The Chevy SS Sedan K&N Cabin Air filter, designated by manufacturer part number VF3020, fulfills a dedicated interior air quality role. Engineered specifically for the Chevrolet SS Sedan, it installs inside the passenger compartment HVAC housing. The listing does not specify product dimensions, weight, or OEM cross-reference numbers, but confirms vehicle-specific fitment for the Chevy SS HVAC plenum.

Using advanced washable filtration media, this cabin filter protects passengers, interior upholstery, and the HVAC blower motor from road dust, pollen, and pollutants while reducing odors. Engineered to endure the vehicle entire lifespan, the cleanable filter eliminates ongoing replacement filter waste. It is ideal for Chevy SS owners wanting permanent cabin protection. It does not fit engine intake housings, requiring a separate engine filter for combustion intake air.

• Custom-engineered for the Chevy SS Sedan passenger cabin HVAC housing
• Washable and reusable filtration media protects interior from dust and odors
• Engineered to endure the entire operational lifespan of the vehicle
• Reduces disposable filter waste through cleanable lifetime design