Craftsman Air Compressor Intake Filter Comparison: Sizing and Replacement Guide

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A functioning intake filter serves as the front line of defense against premature pump failure, valve degradation, and cylinder bore scoring in workshop compressors. Air compressors generate high vacuum levels at the intake port during every induction stroke, drawing in ambient airborne dust, abrasive sanding debris, and moisture droplets. Installing the correct craftsman air compressor filter replacement maintains optimal cubic feet per minute output while preventing micro-abrasions along piston rings and valve plates. Selecting the appropriate craftsman air compressor intake filter requires matching the specific pump housing design, element shape, and retention dimensions specified for your machine.

This comprehensive craftsman air compressor filter comparison analyzes six aftermarket replacement options engineered for Craftsman compressor pumps. These products vary substantially across key physical criteria, including rectangular felt pads for oil-lubricated twin-cylinder heads, specialized cylindrical cartridges for oil-less assemblies, and circular foam discs for single-cylinder designs. Comparing these six options based on OEM part cross-references, media composition, dimensional specifications, and multipack quantities will help you identify the precise filter element your compressor requires to maintain reliable tank pressurization.

Which Craftsman Air Compressor Filters Should You Buy

• For single-piece replacement of dedicated E100794 air cleaner assemblies, select the kpy FIT E100794 Air Compressor Air.
• For Craftsman 921 series oil-less compressors requiring a 50mm cylindrical element, choose the E100435 AIR COMPRESSOR FILTER ELEMENT OIL-LESS.
• For high-demand workshops servicing 919 series pumps that need trimmable rectangular media, pick the 26517 Air Compressor Felt Filter Compatible.
• For twin-cylinder oil-lubricated units requiring dual rectangular felt inserts, select the 2x Air Compressor Air Filter 265-17.
• For single-cylinder utility pumps using round foam media matching D24233, choose the Air Compressor D24233 Air filter Suitable.
• For fleet maintenance across extensive 919 series compressor inventories, buy the 4 Pcs 265-17 Air Compressor Air.

kpy FIT E100794 Air Compressor Air

Best for: Craftsman compressors specifying OEM E100794 air cleaner assemblies

Pros

• Direct match for E100794 part standard
• Supplied as brand new replacement unit
• Straightforward single-item replacement

Cons

• Listing omits specific filter dimensions
• Filter media material not specified

The kpy FIT E100794 Air Compressor Air is an individual replacement part offered by SuperDi for air compressors specifying original equipment manufacturer part number E100794. Compressor intake housings that utilize the E100794 part standard rely on an uncompromised seal to shield the intake valves from airborne particulates. This component is distributed as a brand-new, unused replacement item designed to restore proper air cleaner assembly function when an original filter has clogged, deteriorated, or detached during rigorous operation.

This replacement part is intended for operators seeking a straightforward single-item solution for an dewalt 6 gallon air compressor or a comparable utility compressor utilizing the E100794 cross-reference. The listing designates the item as a vehicle specific fit replacement part, matching Craftsman, Porter Cable, and Husky applications governed by this specific part code. Maintaining a clean intake path prevents unnecessary motor strain and helps the pump achieve standard recovery cycles without pulling debris across the cylinder walls.

• Cross-referenced directly to OEM part number E100794
• Supplied as a single replacement part from brand SuperDi
• Packaged in brand-new condition for immediate installation

This model gives way to other options in this guide if your pump requires verified rectangular felt pads or specific dimensional foam elements. The listing does not specify the precise media material, exterior dimensions, or internal diameters for this part. If your pump housing requires confirmed 50mm cylindrical sizing or rectangular 265-17 felt inserts, alternative listings in this review supply those exact measurements.

E100435 AIR COMPRESSOR FILTER ELEMENT OIL-LESS

Best for: Craftsman 921 series oil-less compressor pump owners

Pros

• Documented fit across 12 models
• Exact 50mm by 20mm dimensions
• Direct replacement for part E100435

Cons

• Single element per package
• Will not fit rectangular housings

The E100435 AIR COMPRESSOR FILTER ELEMENT OIL-LESS is a specialized cylindrical filter element distributed under the Generic brand name. This component directly targets the craftsman e100435 filter specification, manufactured to fit Craftsman, Porter Cable, Husky, and Black and Decker oil-less compressor heads. Oil-less compressors depend heavily on clean intake air because their compression sleeves lack lubricating oil to trap fine airborne dust, making this craftsman air compressor filter element essential for preventing cylinder bore abrasion.

The listing outlines exact external and internal measurements, establishing an outer diameter of 50mm (1.97 inches), an inner diameter of 20mm, and a total height of 30mm (1.18 inches). This exact geometry allows it to drop directly into the cylindrical filter canisters of twelve documented Craftsman compressor models, including 921167500, 921164710, 921166380, 921.153101, 921153120, 921166400, 921166360, 921166370, 921166390, 921153100, 921153500, and 921164780. Facilities tracking regular pump upkeep on an central pneumatic air compressor or similar workshop setup can reference these exact metric tolerances when verifying filter compatibility.

• Standardized dimensions of 50mm outer diameter, 20mm inner diameter, and 30mm height
• Engineered to replace OEM part number E100435 in oil-less pump heads
• Documented fitment across twelve Craftsman 921 series compressor models
• Packaged as a single replacement element

While this element delivers precise dimensional data for oil-less pumps, it gives way to rectangular felt media for operators servicing twin-cylinder, oil-lubricated compressors. If your compressor housing features a flat rectangular chamber secured by machine screws, this cylindrical 50mm cartridge will not fit inside the intake channel.

26517 Air Compressor Felt Filter Compatible

Best for: Busy repair shops needing trimmable rectangular felt

Pros

• Four-pack provides multiple spares
• Felt media can be trimmed
• Fits 919-72800 and DeVilbiss pumps

Cons

• Tools required to access housing

The 26517 Air Compressor Felt Filter Compatible from Indanpow supplies a multipack of four dense felt elements built to satisfy the classic craftsman 265-17 filter standard. Designed to replace factory part numbers 265-17, 26517, and 2651-7, this craftsman air compressor felt filter captures sawdust, dry wall powder, and workshop debris before airborne contaminants reach the compressor intake valves. The manufacturer specifies that this filter cleans intake air to shield internal compressor components from progressive fouling.

Each filter in this four-piece package measures 4-1/2 inches in length, 1-1/2 inches in width, and 9/16 inch in thickness. The felt construction offers flexible utility because the material can be trimmed down to fit custom or slightly non-standard air cleaner housings. The listing confirms broad compatibility with Craftsman, DeVilbiss, Sears, and Porter Cable units, specifically referencing Craftsman model 919-72800 along with DeVilbiss pump models IRL5G20, SDS5G8D, IR5G20AD, 5E20AD-2, and L6560V. Servicing requires basic hand tools, as the manufacturer notes a wrench or screwdriver is needed to remove the housing cover, and work gloves are recommended during handling.

• Supplied as a cost-effective 4-pack of replacement felt elements
• Measures 4-1/2 inches by 1-1/2 inches with a 9/16-inch depth profile
• Felt media can be trimmed to fit specialized intake housing profiles
• Compatible with Craftsman 919-72800 and DeVilbiss multi-stage pumps

This four-pack represents an outstanding solution for high-volume users who maintain rectangular filter boxes, but it gives way to single-cylinder circular elements if your compressor uses round foam cavities. For Craftsman oil-less models that demand cylindrical internal cartridges, this rectangular felt strip cannot be adapted to seal properly.

2x Air Compressor Air Filter 265-17

Best for: DIY owners maintaining twin-cylinder oil-lubricated pumps

Pros

• Includes two rectangular felt filters
• Fits 16 Craftsman 919 models
• Dense felt traps workshop dust

Cons

• Conflicting package dimensions in listing

The 2x Air Compressor Air Filter 265-17 offered by XHBAN supplies two rectangular felt filters engineered for Craftsman, DeVilbiss, Porter Cable, and Sears compressor models. This package directly serves owners of twin-cylinder oil-lubricated pump units manufactured by DeWalt, Black and Decker, and Porter Cable that utilize the 265-17 and 26517 part standard. Twin-cylinder pumps operate with high volumetric efficiency and require unrestricted yet thorough air cleaning to prevent abrasive particle ingestion across both intake ports.

The listing states product dimensions of 4-1/2 inches long, 1-1/2 inches wide, and 9/16 inch thick, made from dense felt media. The listing specifications also list package dimensions of 1 inch by 1 inch by 1 inch. The listing confirms fitment across an extensive lineup of Craftsman 919 series compressors, including models 919174320, 919156780, 919176950, 919186430, 919176841, 919156680, 919156610, 919174110 twin-cylinder units, 919176931, 919176120, 919171250, 919176620, 919171251, 919175100, 919174410, and 919176431.

• Includes two rectangular felt filters matching OEM part number 265-17
• Primary measurements of 4-1/2 inches by 1-1/2 inches by 9/16 inch
• Designed specifically for twin-cylinder oil-lubricated compressor pumps
• Documented compatibility across sixteen specific Craftsman 919 series models

This two-pack is ideal for individual compressor owners who need one filter for active use and one spare for upcoming maintenance. However, it gives way to the Indanpow or ZHIXING packages for commercial shops requiring four filters at once, and it cannot replace round foam media in single-cylinder utility heads.

Air Compressor D24233 Air filter Suitable

Best for: Single-cylinder utility pumps using round foam cavities

Pros

• Two round foam elements included
• Exact 50mm by 20mm circular size
• Direct interchange for CAC-1372

Cons

• Incompatible with rectangular air boxes

The Air Compressor D24233 Air filter Suitable package from Generic provides two round foam filter elements engineered to replace part numbers D24233 and CAC-1372. This listing targets the craftsman d24233 air filter standard utilized on Craftsman, Porter Cable, and DeVilbiss single-cylinder air compressors. While felt filters dominate large cast-iron pumps, many compact single-cylinder utility compressors use a recessed round cavity that requires resilient foam to prevent edge bypass.

Each filter element features a round foam construction measuring 50mm across with a 20mm thickness, which translates to 2-1/16 inches in diameter by 3/4 inch thick. This circular geometry allows the foam to seat snugly inside round air intake retainers without requiring trimming or modification. Users operating portable air tools or managing a compact dewalt cordless air compressor setup alongside workshop units will appreciate having an exact replacement for small-displacement pump air boxes.

• Supplied as a convenient 2-piece set of round foam elements
• Measures 50mm in diameter by 20mm thick (2-1/16 by 3/4 inches)
• Replaces factory part numbers D24233 and CAC-1372
• Engineered for single-cylinder Craftsman, Porter Cable, and DeVilbiss pumps

This round foam element gives way immediately when servicing twin-cylinder pumps or Craftsman 919 series assemblies that require rectangular 265-17 felt media. Foam filters also behave differently than dense felt, as foam is structured specifically for low-restriction air ingestion in smaller single-cylinder heads rather than multi-stage induction chambers.

4 Pcs 265-17 Air Compressor Air

Best for: Commercial facilities servicing extensive 919 compressor fleets

Pros

• Four-pack bulk maintenance quantity
• Extensive 919 model compatibility list
• Standard 4-1/2 by 1-1/2 profile

Cons

• Listing does not state material

The 4 Pcs 265-17 Air Compressor Air pack from ZHIXING provides four rectangular replacement air filters that cross-reference part numbers 265-17, 26517, 2651-7, and 2E8DCD. Built to trap ambient workshop debris before it fouls the compressor valves, this package supports heavy equipment users managing multiple Craftsman, DeWalt, DeVilbiss, Porter Cable, and Sears air compressors. Regular filter changes ensure adequate airflow across the head, preventing elevated operating temperatures that degrade internal seals.

Each filter insert in this pack measures 4-1/2 inches in length, 1-1/2 inches in width, and 9/16 inch in thickness. The listing provides an exceptionally thorough compatibility roster, including Craftsman models 919177510, 919177550, 919177540, 919177520, 919177541, 919177560, 919177511, 919177551, 919157251, 919184260, 919157151, 919157140, 919157011, 919157031, 919157051, 919175262, 919728000, 919186950, 919174320, 919156780, 919176950, 919186430, 919178541 gasoline engine units, 919156620, 919176940, 919156880, 919176930, 919156881, 919176230, 919176951, 919176330, and 919176830. The listing notes that a wrench or screwdriver is required to open the cleaner cover, and work gloves are recommended during servicing.

• Bulk pack containing four rectangular air filter inserts
• Standard dimensions of 4-1/2 inches by 1-1/2 inches by 9/16 inch
• Replaces part numbers 265-17, 26517, and OEM equivalent 2E8DCD
• Extensive fitment across dozens of Craftsman 919 series electric and gas models

This 4-pack provides maximum value for facilities maintaining multiple 919 series machines, but it gives way to the Generic E100435 cylindrical cartridge for 921 series oil-less units. The listing does not specify whether the media is trimmable felt like the Indanpow version, though its physical profile conforms strictly to standard 265-17 specifications.

What Sets These Models Apart

Selecting between these six replacement elements requires matching housing geometry, filtration media, and replacement frequency to your specific compressor pump. Installing an element with incorrect dimensions allows unmetered, dusty air to bypass the filter perimeter entirely, leading to abrasive wear on valve reeds and cylinder walls. The table below compares the critical specifications of each model based directly on manufacturer listing disclosures.

Buying Tips for Craftsman Air Compressor Filters

Before deciding which craftsman air compressor filter to buy, inspect the serial tag on your compressor tank or pump shroud. Craftsman compressors historically relied on two major manufacturing families: the 919 series (often built by DeVilbiss) and the 921 series. The 919 series predominantly utilizes the rectangular 265-17 felt strip measuring 4-1/2 by 1-1/2 inches, whereas the 921 series frequently houses the cylindrical 50mm E100435 element. Verifying your model prefix avoids purchasing a filter element that cannot mount inside your air cleaner box.

Inspect the air cleaner housing cover and mounting plate for warping, cracking, or degraded perimeter gaskets during filter replacement. Even a high-density felt or foam filter cannot protect the pump if distorted housing covers create gaps larger than a millimeter. Wipe the internal surfaces of the air cleaner box with a clean, lint-free cloth before inserting the fresh filter element, ensuring that loose dust dislodged during disassembly is not immediately sucked into the intake valve on initial startup.

Operating environments dictate your replacement interval far more than calendar schedules. Compressors placed in dedicated, climate-controlled utility rooms may maintain adequate intake airflow across an entire operating season on a single filter. Conversely, compressors stationed in active woodworking shops, auto body repair bays, or construction job sites ingest heavy concentrations of airborne dust that load filter media rapidly. Check the filter media monthly in dusty environments, replacing any element that exhibits visible discoloration, particulate crusting, or structural collapse.

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