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The Best 4003 Napa Filter of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 4003 Napa Filter of 2022. Check our ranking below.

2,556 Reviews Scanned

Rank No. #1
Podavelle 1/2-28 Female to 3/4-16 13/16-16 3/4 NPT Male Hose Adapter Reducer Fitting Connector Aluminum Black
  • Size: Female 1/2x28 to Male 3/4x16, 13/16x16 and 3/4 NPT, comes with two NBR O rings
  • Manufactured from lightweight 6061-T6 aluminum; Anodized finish for strength, durability and anti-corrosion
  • Fits commonly available filters
  • Fits for automotive oil cooler fuel tank fuel pump fluid line
  • All Podavelle fittings and adapters are fully compatible with gasoline and alcohol based fuels
Rank No. #2
Allstar Performance ALL40245 Black 12" Long x 2" Diameter Anodized Aluminum -10 AN Inlet/Outlet In-Line Fuel Filter Housing
  • Product type :FUEL FILTER
  • Package dimensions :43.18 cm L x4.064 cm W x0.254 cm H
  • country of origin :United States
  • package weight :0.9lbs
Rank No. #3
Allstar ALL40244 Black 12" Long x 2" Diameter Anodized Aluminum -8 AN Inlet/Outlet In-Line Fuel Filter Housing, 8AN Ends
  • Inline fuel filter is a housing only and measures 12 inch long x 2 inch diameter with -8an inlet/outlet
  • Made from high-quality aluminum and has a black anodized finish
  • Uses Allstar part 40220 (paper type) or 40222 (stainless type) which are sold separately
  • No element included
  • Fit type: Vehicle Specific
Rank No. #4
KARTONMOTOR Inline Fuel Filter 100 Micron,Universal 50MM with 6AN 8AN 10AN Adapter,Aluminum Alloy Fuel Filter Can and Stainless Steel Filter Element for Filtering Gasoline, Diesel, E85
  • 【Replacement Fuel Filters】Universal fuel filter, includes AN6, AN8, AN10 adapters for different size applications.
  • 【Function】Inline fuel pump filter is designed for use in both carbureted and EFI fuel systems.Can be used for filtering gasoline, diesel, E85, etc.Captures contaminant particles of 100 micron and above to protect your vehicle's fuel system from contaminants, such as dirt, rust, and paint particles.
  • 【Premium Material】Our fuel filter is made of T6 billet aluminum alloy which is anodized for optimum surface finish and durability and stainless steel.The stainless steel filter element meet the needs of high flow,captures contaminat particles.
  • 【Feature】Attached the o-ring provides a tight seal for fittings and end caps.The micron fuel filter is removable, easy to clean or replace filter element at regular time.
  • 【Fit Vehicles】Our fuel filter fits most vehicles,micron inline filter can be connected to the 6AN/8AN/10AN fuel line,as long as the connector is suitable.
Rank No. #5
Earl's 230631ERL Billet Fuel Filter
  • Fuel Filter
  • Black anodized body and clear anodized end caps for corrosion resistance and good looks
  • Recommended as a post filter (after the pump) in EFI applications
Rank No. #6
Mishimoto High-Flow-10AN Fuel Filter, 10-Micron Stainless-Steel Insert
  • Protects fuel injectors from damage and clogging that can lead to catastrophic engine failure
  • Reusable 10-micron stainless-steel filter for superior protection of vital fuel system components
  • Flows up to 475 GPH (1,800 LPH) to support up to 1,500 horsepower
  • Welded stainless-steel filter is safe for ethanol and methanol
  • 150 sq. inches of filter surface area prevents flow restriction as filter captures debris
Rank No. #7
904-264 Solvent Pipe Oil Filter Return Tube Line Trap Kit
  • 【Compatibility】This part generally fits Ford,IC Corporation,International Harvester vehicles
  • 【Replace Part Numbers】3C3Z6C755AA,1840755C92,3C3Z6C755AA,1840755C92
  • 【Package Includes】Oil Filter Return Tube Kit
  • 【Easy and Convenient Installation】Direct replacement, very easy to install
  • 【After-Sales Service】Buy with confidence! Our products come with a 1-year replacement warranty and undergo strict inspection to ensure quality. We also offer a return and exchange service for your peace of mind.
Rank No. #8
Allstar Performance ALL40217 Black 10 Micron 10 AN In-Line Fuel Filter
  • Mounting brackets sold separately
  • Filter elements are 8 inch long and fit in a 9 inch housing and a high-flow rate with 10 micron rating ensures enough fuel flows for any type of race car
  • Made from high-quality aluminum and has a blue anodized housing finish
  • Filter housing features a -10an inlet/outlet and paper element is included
  • Inline fuel filter is 12 inch overall length x 2 inch diameter in width
SaleRank No. #9
Wix Fuel (Complete In-Line) Filter - 33601
  • Package Dimensions: 35.56 cms (L) x 9.652 cms (W) x 9.398 cms (H)
  • Product Type: Auto Part
  • Package Quantity: 1
  • Package Weight: 0.498 kg
Rank No. #10
Genuine Fleetguard - Cummins Filtration FF42003 Fleetguard Fuel Filter, Replaces Baldwin BF940, Kubota 1522143080, Napa 3390, Wix 33390
  • Seam OD 82.3 mm (3.24 in)
  • Gasket OD 71.45 mm (2.813 in)
  • Gasket Inside Diameter 64.01 mm (2.52 in)
  • Thread Size M20 X 1.5-6H INT
  • Micron Rating By SAE: (20 Microns)

Last update on 2024-04-17 / Affiliate links / Images from Amazon Product Advertising API

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  2. Features: What bells and whistles matter for an 4003 Napa Filter?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 4003 Napa Filter.
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