Best Truck Air Filter for Diesel and Gas Trucks

#1 · Best Overall

1. Doc's Diesel DPA11888

• Dimensions: 13.5"L x 9.5"W x 3"H
• Dimensions: 13.5"L x 9.5"W x 3"H

Best for: Duramax HD fitment specialists.

Why it ranks #1: Fits Chevrolet and GMC 2500HD and 3500HD trucks with the 6.6L Duramax; third-party testing reports 99.25% efficiency and 344.2 g dust capacity.

Independent testing gives Doc’s Diesel’s filter a specific 99.25% efficiency figure and 344.2 g dust-holding capacity. Those verified measurements distinguish it for Chevrolet and GMC 6.6L Duramax 2500HD and 3500HD owners seeking documented filtration and capacity information for a 2020–2025 truck.

The fitment is stated for Chevrolet and GMC 6.6L Duramax 2500HD and 3500HD models from 2020 through 2025, making the application narrowly defined rather than broadly universal. Independent testing reports 99.25% efficiency alongside 344.2 g dust-holding capacity, giving buyers two concrete performance measures to weigh. The filter’s listed dimensions are 13.5 by 9.5 by 3 inches, a practical reference when planning an engine-air-filter replacement.

Skip it if you own a 6.7L Cummins RAM from 2007–2026; Doc’s Diesel DPA6314 lists those RAM applications instead.

For owners of the specified 2020–2025 Chevrolet/GMC 6.6L Duramax HD trucks, the lab figures offer useful selection detail. Its key boundary is narrow fitment: the listing does not cover every diesel pickup.

Listed on Amazon as: Doc's Diesel Engine Air Filter, Fits Chevrolet/GMC 2500HD 3500HD 2020-2025

#2 · Best Cummins Fitment

2. Doc's Diesel DPA6314

Best for: Broad-year Cummins RAM owners.

Why it ranks #2: Specifically covers RAM 2500, 3500, 4500, and 5500 trucks with the 6.7L Cummins across a broad stated fitment span.

Deep embossed pleats give Doc’s Diesel’s DPA6314 extra filter media for holding dirt and dust, with the product description stating longer use between changes than a shallow-pleated economy filter. Its wide stated coverage spans 2007–2026 6.7L Cummins RAM 2500, 3500, 4500, and 5500 trucks.

One listed engine filter covers 6.7L Cummins RAM 2500, 3500, 4500, and 5500 models across the stated 2007–2026 range, simplifying the application choice for owners within that group. Deep embossed pleats pack in extra media, which the listing connects to capturing more dirt and dust and lasting longer between changes than a shallow-pleated economy filter. Independent lab verification of efficiency adds a separate check on its filtration claim.

Skip it if you drive a 2020–2025 Chevrolet/GMC 6.6L Duramax 2500HD or 3500HD; Doc’s Diesel DPA11888 lists that fitment.

This filter fits buyers maintaining a 6.7L Cummins RAM in the listed 2007–2026 model range, especially those valuing deep pleats and broad year coverage. Its boundary is the specific Cummins RAM application.

Listed on Amazon as: Doc's Diesel Engine Air Filter, 6.7L Cummins RAM 2500 3500 4500 2007-2026

#3 · Best Washable Diesel Filter

3. K&N 33-5100

• Dimensions: 14.25"L x 14.22"W x 3.31"H
• Dimensions: 14.25"L x 14.22"W x 3.31"H

Best for: Washable Super Duty diesel owners.

Why it ranks #3: A washable, reusable high-flow option listed for Ford F250 through F600 diesel trucks, with a stated 10-year or 1,000,000-mile warranty.

Washable, reusable construction is the defining draw of K&N’s 33-5100: instead of recurring disposable-filter replacement, owners can clean and reuse it over the life of the vehicle. The high-flow design is described as increasing airflow by up to 50%, for compatible 2020–2026 Ford Super Duty diesel trucks.

The listed fitment covers Ford F-250, F-350, F-450, F-550, and F-600 from 2020 through 2026, keeping the stated application focused on Super Duty trucks. K&N describes airflow gains of up to 50%, which gives the high-flow construction a concrete operating distinction. Because the element is washable and reusable rather than disposable, ownership involves cleaning and reuse instead of routine replacement with a new paper filter.

Skip it if you prefer a disposable element with an 18,000-mile stated replacement interval for a compatible Ford truck; K&N KNA-2385 lists that interval.

This suits owners of listed 2020–2026 Ford Super Duty diesels who want reusable construction and the stated high-flow approach. Choose it with the maintenance boundary in mind: washing replaces routine disposable-element changes.

Listed on Amazon as: K&N Performance Diesel High-Flow Lifetime Engine Air Filter: Increase Power: Premium, Washable: Compatible with 2020-2026 FORD: F250, F350, F450, F550, F600, 33-5100

#4 · Best Long-Life RAM Filter

4. K&N KNA-2247

• Dimensions: 13.75"L x 9.31"W x 1.56"H
• Dimensions: 13.75"L x 9.31"W x 1.56"H

Best for: Long-interval Dodge Ram owners.

Why it ranks #4: The 18,000-mile replacement filter lists fitment for RAM 1500 through 5500 trucks and reports up to 99% filtration efficiency.

An 18,000-mile replacement interval distinguishes K&N’s KNA-2247, with a stated 50% longer life than standard 12,000-mile filters. Its premium media is rated up to 99% efficient, and the listed application spans 2002–2026 Dodge Ram V6, V8, and V10 trucks from 1500 through 5500.

The stated 18,000-mile interval can space routine filter changes farther apart than the standard 12,000-mile comparison cited by K&N. Premium media rated up to 99% efficient adds a specific filtration claim alongside that maintenance benefit. Compatibility is listed across Dodge Ram 1500, 2500, 3500, 4500, and 5500 models with V6, V8, or V10 engines, and the 13.75-by-9.31-by-1.56-inch dimensions provide a physical reference.

Skip it if you want a washable lifetime filter for a compatible 2019–2026 Silverado or Sierra; K&N 33-5083 lists those applications.

This suits Dodge Ram owners whose model and engine fall within the listed range and who value longer stated replacement spacing. Its boundary is a conventional replacement filter, not a washable lifetime element.

Listed on Amazon as: K&N Engine Air Filter: Long Life 18,000 Mile Replacement Air Filter: Compatible with 2002-2026 Dodge Ram Truck V6/V8/V10 (1500, 2500, 3500, 4500, 5500), KNA-2247

#5

5. K&N KNA-2385

Best for: Long-interval Ford truck owners.

Why it ranks #5: Offers an 18,000-mile service interval and up to 99% filtration efficiency, with listed compatibility across Ford trucks including F150 and Super Duty models.

An 18,000-mile replacement interval is the defining feature of K&N’s KNA-2385, extending service spacing by 50% over standard 12,000-mile filters. Its premium media is rated up to 99% efficient, pairing fewer scheduled changes with stated engine protection for owners of compatible Ford and Lincoln trucks and SUVs.

K&N lists compatibility across 2002–2026 Ford and Lincoln trucks and SUVs, including F-150, F-250, Expedition, and Navigator applications, so the broad stated range serves multiple vehicle types. The durable construction and 18,000-mile interval can reduce how often routine filter replacement comes around compared with a standard 12,000-mile interval. Up-to-99% filtration efficiency provides a specific protection claim, while the one-filter component listing keeps the purchase focused on a single replacement element.

Skip it if you need a washable lifetime filter for a compatible 2020–2026 Ford Super Duty; K&N 33-5100 is the listed alternative.

For Ford or Lincoln truck and SUV owners whose application falls within the listed range, this filter suits routine replacement with longer stated service spacing. Its boundary is clear: it is a replacement element, not the washable lifetime option.

Listed on Amazon as: K&N Engine Air Filter:Long Life 18,000 Mile Replacement AirFilter:Compatible with 2002-2026 Ford/Lincoln Truck and SUV(F150, F150 Raptor,Expedition,Navigator, F250, F350, F450, F550, F650),KNA-2385

#6

6. K&N KNA-2129

• Dimensions: 12.44"L x 9.81"W x 1.19"H
• Dimensions: 12.44"L x 9.81"W x 1.19"H

Best for: Long-interval Chevy and GMC owners.

Why it ranks #6: A long-life 18,000-mile replacement listed for Chevy and GMC trucks and SUVs, with up to 99% efficiency and a one-year limited warranty.

K&N’s KNA-2129 pairs an 18,000-mile replacement interval with media rated up to 99% efficient, offering a longer stated service span than standard 12,000-mile filters. Its listed compatibility covers 1999–2020 Chevy and GMC truck and SUV V6/V8 applications, including Silverado, Sierra, Tahoe, and Yukon.

The 18,000-mile interval is described as 50% longer than the standard 12,000-mile interval, which can space routine replacement farther apart for owners whose vehicle matches the stated range. K&N also claims up to 99% filtration efficiency for engine protection. The listed 12.44-by-9.81-by-1.19-inch dimensions provide a practical physical reference, while the fitment range includes several Chevy and GMC truck and SUV nameplates.

Skip it if you want a washable lifetime filter for a compatible 2019–2026 Silverado or Sierra; K&N 33-5083 lists those applications.

Chevy and GMC owners within the listed 1999–2020 V6/V8 range get a conventional replacement element with longer stated service spacing. Its boundary is that it is not the washable lifetime K&N design.

Listed on Amazon as: K&N Engine Air Filter: Long Life 18,000 Mile Replacement Air Filter: Compatible with 1999-2020 Chevy/GMC Truck/SUV V6/V8 (Silverado, Suburban, Tahoe, Sierra, Yukon, Avalanche), KNA-2129

#7

7. K&N 33-5083

• Dimensions: 12.75"L x 9.84"W x 1.59"H
• Dimensions: 12.75"L x 9.84"W x 1.59"H

Best for: Reusable GM truck filter owners.

Why it ranks #7: This washable, reusable high-flow filter lists fitment for Silverado and Sierra trucks and carries a stated 10-year or 1,000,000-mile warranty.

K&N’s washable, reusable construction replaces repeated disposable-element purchases with a filter that can be cleaned and reused for the vehicle’s life. Its high-flow design claims up to 50% increased airflow, with stated compatibility for 2019–2026 Cadillac, Chevrolet, and GMC SUVs and trucks.

The listed application spans Escalade, Silverado, Suburban, Tahoe, Sierra, and Yukon models from 2019 through 2026, providing a defined family of compatible vehicles. K&N describes airflow increases of up to 50%, making its high-flow design the central performance distinction. Washable and reusable construction changes the maintenance workflow: owners clean and reuse the element instead of replacing a disposable paper filter, while the lifetime-use description frames its intended service life.

Skip it if you prefer a disposable filter with a stated 18,000-mile interval for a compatible Chevy or GMC truck; K&N KNA-2129 lists that interval.

This is for listed Cadillac, Chevrolet, and GMC truck or SUV owners who want a washable high-flow element. Its fitment is limited to the stated 2019–2026 vehicle range, and reuse requires cleaning.

Listed on Amazon as: K&N High-Flow Original Lifetime Engine Air Filter: Increase Power: Premium, Washable: Compatible with 2019-2026 Cadillac/Chevy/GMC: Escalade, Silverado, Suburban, Tahoe, Sierra, Yukon, 33-5083

#8

8. ACDelco A3244C

• Dimensions: 12.6"L x 11.7"W x 3.6"H
• Dimensions: 12.6"L x 11.7"W x 3.6"H

Best for: GM original-equipment replacement buyers.

Why it ranks #8: GM Original Equipment replacement media is designed to help keep pollutants out of the engine and includes a 24-month, unlimited-mile parts warranty.

ACDelco’s Original Equipment positioning is the central distinction: its engine filter uses advanced media to help keep pollutants from entering the engine. That OE-replacement approach suits buyers seeking a GM-backed replacement, while the listed 12.6-by-11.7-by-3.6-inch dimensions give a concrete reference for the filter’s physical size.

The advanced filter media is described as helping prevent pollutants from entering the engine, connecting the replacement role to cleaner intake protection. ACDelco also cites filter capacity and efficiency as support for optimal performance, without giving a numeric efficiency figure in the supplied details. Its 12.6-by-11.7-by-3.6-inch dimensions can help identify the physical element during service planning, and the Original Equipment designation makes this a straightforward choice for buyers prioritizing that replacement category.

Skip it if you want a stated 18,000-mile interval and up-to-99% efficiency; K&N KNA-2385 lists both for compatible Ford and Lincoln vehicles.

This is a fit for buyers seeking an ACDelco Original Equipment replacement and pollutant-trapping media. The listing’s stated dimensions are useful, but vehicle-specific application details should guide whether this particular filter suits your truck.

Listed on Amazon as: ACDelco GM Original Equipment A3244C (84121219) Air Filter

#9

9. FRAM CA8755A

• Dimensions: 13"L x 10"W x 3"H
• Dimensions: 13"L x 10"W x 3"H

Best for: Everyday driving replacement shoppers.

Why it ranks #9: Everyday-use filter supports clean airflow and contaminant protection; FRAM states a 12,000-mile change interval, but the supplied data does not identify truck fitment.

FRAM’s Extra Guard pairs everyday-driving airflow support with protection against dirt, dust, and airborne debris. Its listed 12,000-mile change interval gives routine maintenance a clear cadence, making this a straightforward option for truck owners who want a standard replacement filter rather than a washable lifetime element.

FRAM says the filter helps maintain clean airflow for consistent power, efficiency, and reliable engine operation, tying the element to ordinary driving needs. Its media is described as protecting against dirt, dust, and airborne debris, helping keep intake air cleaner. The stated 12,000-mile change interval supplies a concrete maintenance checkpoint, while the 13-by-10-by-3-inch dimensions offer a physical reference when preparing for a replacement.

Skip it if you want a stated 18,000-mile interval for a compatible Dodge Ram; K&N KNA-2247 lists that longer replacement spacing.

FRAM’s Extra Guard suits everyday-use truck owners who prefer a conventional replacement filter with a stated 12,000-mile interval. That maintenance cadence is the boundary for buyers comparing it with longer-interval elements.

Listed on Amazon as: FRAM CA8755A Extra Guard Engine Air Filter

#10

10. Bosch 5499WS

• Dimensions: 13"L x 7.7"W x 10.6"H
• Dimensions: 13"L x 7.7"W x 10.6"H

Best for: Pleated-media filtration seekers.

Why it ranks #10: Reports 98% filtration efficiency and a polyurethane foam seal, but the supplied product data does not specify truck compatibility.

A high pleat count gives Bosch’s 5499WS substantial particle-holding capacity, while its stated 98% efficiency targets small incoming particles. Those features make it a practical workshop replacement for buyers focused on capturing dirt and maintaining airflow, rather than on a long replacement interval or a washable lifetime design.

Bosch combines numerous pleats with high-velocity cellulose media, linking particle-holding capacity to minimum air resistance. The media is also described as maintaining even pleat spacing, supporting consistent filtration through the element. A polyurethane foam seal adds elasticity and sealing performance while helping guard against water and heat intrusion. Together, these construction details serve buyers who want a conventional engine filter with explicit filtration, airflow, and sealing characteristics during routine maintenance.

Skip it if you need a stated 18,000-mile service interval for a compatible Ford or Lincoln; K&N KNA-2385 specifies that interval.

Bosch’s workshop filter fits buyers prioritizing pleated particle capacity, low-resistance cellulose media, and a foam seal. Its stated efficiency is 98%, so buyers seeking a higher published percentage should weigh that boundary.

Listed on Amazon as: BOSCH 5499WS Workshop Engine Air Filter – 98% Efficiency at Capturing Dirt