Top 10 4in Air Filter – Automotive Replacement Air Filters

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1. Rtunes Racing

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BLUE 4" 102 mm Inlet Truck Cold Air Intake Cone Replacement Performance Washable Clamp-On Dry Air Filter 8" Tall

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Rtunes Racing #ad - Easy to assemble with all parts included. Filter is both reusable and washable and comes with stainless steel clamp. This filter is made with two layers of mesh material. No additional parts needed. Universal replacement air intakes filter. High air flow to increase horsepower and throttle response.
BrandRtunes Racing #ad
ManufacturerRtunes Racing #ad
Part NumberAFL4B

2. K&N

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K&N Universal Clamp-On Air Intake Filter: High Performance Premium, Washable, Shape: Round Tapered, Flange Length: 1.125 In, Replacement Filter: Flange Diameter: 4 In, Filter Height: 5.5 In, RG-1001RD

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K&N #ad - Saves money: k&n high-flow replacement intake filters will save you $250 over 10 years by avoiding disposable air filters. World class protection: Pushing the limits of engine protection by protecting your engine from harmful contaminants.

Engineered power: state-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration- clogged or dirty engine air filters can reduce your vehicle’s acceleration by up to 10%. Easy installation: k&n air filter is pre-oiled and built with simple clamp-on design- one of the easiest and most cost-effective upgrades for your vehicle for quick performance gains. Eco-friendly: using a washable, reusable KN air filter helps reduce replacement waste- a K&N filter will last longer than 10 disposable air filters.
BrandK&N #ad
ManufacturerK&N Engineering #ad
Height5 Inches
Length7.56 Inches
Weight1.73 Pounds
Width6.38 Inches
Part NumberRG-1001RD
ModelRG-1001RD
WarrantyLIMITED WARRANTY

3. Rtunes Racing

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RED 4 inch 102 mm Inlet Truck Cold Air Intake Cone Replacement Performance Washable Clamp-On Dry Air Filter 8" Tall

#ad
Rtunes Racing #ad - Universal replacement air intakes filter. No additional parts needed. Easy to assemble with all parts included. High air flow to increase horsepower and throttle response. Filter is both reusable and washable and comes with stainless steel clamp. This filter is made with two layers of mesh material.
BrandRtunes Racing #ad
ManufacturerRtunes Racing #ad
Weight1.5 Pounds
Part NumberAFL4R

4. K&N

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Shape: Round Tapered, Replacement Filter: Flange Diameter: 4 In, K&N Universal Clamp-On Air Intake Filter: High Performance Premium, Filter Height: 5.5 In, Washable, Flange Length: 1.125 In, RG-1001BL

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K&N #ad - Easy installation: k&n air filter is pre-oiled and built with simple clamp-on design- one of the easiest and most cost-effective upgrades for your vehicle for quick performance gains.

Eco-friendly: using a washable, reusable KN air filter helps reduce replacement waste- a K&N filter will last longer than 10 disposable air filters. Saves money: k&n high-flow replacement intake filters will save you $250 over 10 years by avoiding disposable air filters. Engineered power: state-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration- clogged or dirty engine air filters can reduce your vehicle’s acceleration by up to 10%. World class protection: Pushing the limits of engine protection by protecting your engine from harmful contaminants.
BrandK&N #ad
ManufacturerK&N Engineering #ad
Height7.75 Inches
Length7.56 Inches
Weight1.73 Pounds
Width6.38 Inches
Part NumberRG-1001BL
ModelRG-1001BL
WarrantyLIMITED WARRANTY

5. Rtunes Racing

#ad

BLACK 4" 102 mm Inlet Truck Cold Air Intake Cone Replacement Performance Washable Clamp-On Dry Air Filter 8" Tall

#ad
Rtunes Racing #ad - Easy to assemble with all parts included. Filter is both reusable and washable and comes with stainless steel clamp. This filter is made with two layers of mesh material. High air flow to increase horsepower and throttle response. No additional parts needed. Universal replacement air intakes filter.
BrandRtunes Racing #ad
ManufacturerRtunes Racing #ad
Part NumberAFL4CK

6. K&N

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Washable, RE-0870, Premium, Shape: Round Tapered, Filter Height: 9 In, K&N Universal Clamp-On Air Intake Filter: High Performance, Flange Length: 1.75 In, Replacement Filter: Flange Diameter: 4 In

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K&N #ad - Easy installation: k&n air filter is pre-oiled and built with simple clamp-on design- one of the easiest and most cost-effective upgrades for your vehicle for quick performance gains.

Saves money: k&n high-flow replacement intake filters will save you $250 over 10 years by avoiding disposable air filters. World class protection: Pushing the limits of engine protection by protecting your engine from harmful contaminants. Eco-friendly: using a washable, reusable KN air filter helps reduce replacement waste- a K&N filter will last longer than 10 disposable air filters. Engineered power: state-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration- clogged or dirty engine air filters can reduce your vehicle’s acceleration by up to 10%.
BrandK&N #ad
ManufacturerK&N Engineering #ad
Height10.81 Inches
Length6.25 Inches
Weight1 Pounds
Width6.25 Inches
Part NumberRE-0870
ModelRE-0870
WarrantyLIMITED WARRANTY

7. CARTMAN

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Premium High Performance Replacement Filter, Fit Intake Tube with 3/3.5/4in Diameter, Red, Washable and Reusable, Cartman Clamp-On Engine Air Filter, Round Tapered

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CARTMAN #ad - Clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%. Easy installation - pre-oiled and built with simple clamp-on design, it is one of the easiest and most cost-effective upgrades for your vehicle for quick performance gains.

High quality - constructed with non-woven synthetic media and ultra-strong molded pliable rubber flanges that absorb vibration and allow for secure attachment. World class protection - filters dirt and protects your engine from harmful contaminants. Include adapter rings to fit intake tube with 3 inch, 3-1/2 inch and 4 inch diameter. Eco friendly - washable and reusable air filter helps reduce replacement waste, which last longer than 10 disposable filters, and also save your money by avoiding disposable filters. Engineered power - designed to increase horsepower and acceleration.
BrandCARTMAN #ad
ManufacturerCartman #ad
Part NumberCM-AF-2101

8. K&N

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Washable, Replacement Filter: Flange Diameter: 4 In, Flange Length: 0.625 In, Premium, Shape: Round Tapered, K&N Universal Clamp-On Air Filter: High Performance, Filter Height: 7 In, RU-2590

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K&N #ad - Eco-friendly: using a washable, reusable KN air filter helps reduce replacement waste- a K&N filter will last longer than 10 disposable air filters. Easy installation: k&n air filter is pre-oiled and built with simple clamp-on design- one of the easiest and most cost-effective upgrades for your vehicle for quick performance gains.

Engineered power: state-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration- clogged or dirty engine air filters can reduce your vehicle’s acceleration by up to 10%. World class protection: Pushing the limits of engine protection by protecting your engine from harmful contaminants. Saves money: k&n high-flow replacement intake filters will save you $250 over 10 years by avoiding disposable air filters.
BrandK&N #ad
ManufacturerK&N Engineering #ad
Height10.81 Inches
Length6.25 Inches
Weight1 Pounds
Width6.25 Inches
Part NumberRU-2590
ModelKN RU2590
WarrantyLIMITED WARRANTY

9. K&N

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Filter Height: 3.5 In, Shape: Round Tapered, K&N Universal Clamp-On Air Intake Filter: High Performance, Flange Length: 0.625 In, Washable, RU-2510, Premium, Replacement Filter: Flange Diameter: 4 In

#ad
K&N #ad - Eco-friendly: using a washable, reusable KN air filter helps reduce replacement waste- a K&N filter will last longer than 10 disposable air filters. Saves money: k&n high-flow replacement intake filters will save you $250 over 10 years by avoiding disposable air filters.

Engineered power: state-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration- clogged or dirty engine air filters can reduce your vehicle’s acceleration by up to 10%. World class protection: Pushing the limits of engine protection by protecting your engine from harmful contaminants. Easy installation: k&n air filter is pre-oiled and built with simple clamp-on design- one of the easiest and most cost-effective upgrades for your vehicle for quick performance gains.
BrandK&N #ad
ManufacturerK&N Engineering #ad
Height9.13 Inches
Length4.5 Inches
Weight0.1 Pounds
Width5.5 Inches
Part NumberRU-2510
ModelRU-2510
WarrantyLIMITED WARRANTY

10. K&N

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RU-3600, Shape: Round Tapered, Washable, Premium, Filter Height: 5 In, K&N Universal Clamp-On Air Intake Filter: High Performance, Flange Length: 0.625 In, Replacement Filter: Flange Diameter: 4 In

#ad
K&N #ad - Engineered power: state-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration- clogged or dirty engine air filters can reduce your vehicle’s acceleration by up to 10%.

Saves money: k&n high-flow replacement intake filters will save you $250 over 10 years by avoiding disposable air filters. Easy installation: k&n air filter is pre-oiled and built with simple clamp-on design- one of the easiest and most cost-effective upgrades for your vehicle for quick performance gains. World class protection: Pushing the limits of engine protection by protecting your engine from harmful contaminants. Eco-friendly: using a washable, reusable KN air filter helps reduce replacement waste- a K&N filter will last longer than 10 disposable air filters.
BrandK&N #ad
ManufacturerK&N Engineering #ad
Height6.38 Inches
Length6.38 Inches
Width7.13 Inches
Part NumberRU-3600
ModelRU-3600
Warranty1 Year Limited