Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
Speedway Motors Logo
America's Oldest Speed Shop ®

Search

Canadian Leaf

K&N Filters E-3750 Replacement Filter Element, 14 x 4 Inch

SAME DAY SHIPPING! Order within the next 5 hours 34 minutes and receive same day shipping

Specs
Overall Height:
4.00
Color:
Black
Overall Diameter:
14.00
Inside Diameter:
12.00
MFG. Part #:
E-3750
Filter Element Type:
Reusable Cotton Gauze
Filter Color:
Red
K&N Filters E-3750 Replacement Filter Element, 14 x 4 Inch
K&N Filters E-3750 Replacement Filter Element, 14 x 4 Inch

Click image to enlarge

Speeday Motors Logo
X
K&N Filters E-3750 Replacement Filter Element, 14 x 4 Inch

Details

Reviews

Q & A

What's in the Box

K&N FilterCharger replacement air filter elements are designed to achieve high, virtually unrestricted air flow while maintaining filtration levels critical to ensuring long engine life. The high flow cotton gauze filter material is washable, reusable and built to outlast and outperform any other filter on the market.

  • High ir flow with excellent filtration
  • Designed to increase horsepower and acceleration
  • Washable and reusable

Specs

  • Inside Diameter: 12 in
  • Outside Diameter: 14 in
  • Filter Material: Cotton Gauze
  • Filter Re-Oiling Amount: 2.31-2.9 oz

You may also be interested in:

Speedway Washable Air Filter Element, 14 x 4 Inch
                        Why keep buying paper elements when this one could last a lifetime? These filter elements feature a multi-layer cotton gauze material which is 100% washable and reusable. Use appropriate filter cleaner and filter oil at every service.
                    
K&N Filters E-3732 Replacement Filter Element, 14 x 4-1/2 Inch
                        

K&N FilterCharger replacement air filter elements are designed to achieve high, virtually unrestricted air flow while maintaining filtration levels critical to ensuring long engine life. The high flow cotton gauze filter material is washable, reusable and built to outlast and outperform any other filter on the market.

  • High ir flow with excellent filtration
  • Designed to increase horsepower and acceleration
  • Washable and reusable
K&N Filters E-3760 Replacement Filter Element, 14 x 5 Inch
                        

K&N FilterCharger replacement air filter elements are designed to achieve high, virtually unrestricted air flow while maintaining filtration levels critical to ensuring long engine life. The high flow cotton gauze filter material is washable, reusable and built to outlast and outperform any other filter on the market.

  • High ir flow with excellent filtration
  • Designed to increase horsepower and acceleration
  • Washable and reusable
aFe Power 18-31424 Pro Dry S T.O.P. Air Filter, 14 x 4 Inch
                        

Convenient and affordable oil-free dry synthetic media provides 99.2% filtration efficiency and can be cleaned by simply blowing out with an air hose. Completely eliminates the need to wash and re-oil a filter hours or days before your next race.

  • Allows air flow from the side and top of the filter
  • T.O.P. (The One Piece) design eliminates leaks and sealing failure under changing pressures
  • Uses the PRO Dry S filter media which is constructed of 2-layers of synthetic media
  • Requires no oils for cleaning for maximum convenience
  • Washable and reusable
aFe Power 18-11425 Pro Dry S Filter Element, 14 x 4 Inch
                        

Convenient and affordable oil-free dry synthetic media provides 99.2% filtration efficiency and can be cleaned by simply blowing out with an air hose. Completely eliminates the need to wash and re-oil a filter hours or days before your next race.

  • PRO Dry S filter media is constructed of 2-layers of synthetic media
  • Requires no oils for cleaning for maximum convenience
  • Washable and reusable
R2C Performance R10522 Competition Series 14 x 4 Air Filter Element
                        

R2C Competition Series filters are the only air filters specifically designed for the demands of large displacement, high RPM Late Model and Modified engines. After extensive track and lab air flow evaluation, R2C created an exclusive filter design that provides flag-to-flag power while also providing unmatched engine protection. R2C filters help race teams maintain the best leak down numbers, eliminate unnecessary cylinder wall and combustion chamber wear, and also prevent engine oil breakdown caused by particulate ingestion.

  • Fits standard 14" air cleaner assemblies
  • 15" overall outside diameter
  • Fully washable synthetic media
  • Clean with low pressure compressed air (40-60 psi)
  • Requires no oil
  • Offset media improves air flow in high demand applications
  • Made in the USA

R2C Filter Brochure (PDF)

R2C Performance R10501 14 x 4 High Performance Air Filter Element
                        Offering uncompromising performance and unmatched  engine protection in high performance street applications, R2C 14 inch  round filters deliver the lowest restriction levels and most horsepower  over the entire life of the filter.  Patent pending and proprietary  R2C PowerFlow Performance air filter media technology finally ends the  reliance on poor performing oiled cotton gauze filters.  Now, maximum horsepower and engine protection are available for your muscle car without having to Re-oil your air filter!
  • Patent-pending PowerFlow synthetic media provides more horsepower and torque over the entire life of the filter!
  • Unmatched Engine Protection - 99.5% efficient!
  • No oiling required!
  • Lifetime Street Performance Filters
  • Simple to clean using low pressure compressed air
While fully washable using biodegradable detergents such as Simple Green, etc,, R2C 14" air filters are simple to clean and maintain using low pressure (40-60PSI) compressed air. Just blow them clean from inside out and they’re ready to go. Rely on R2C for the longest lasting, best performing air filters in the business!
R2C Performance AC10521 Polycarbonate Clear Air Cleaner Top Lid, 14 Inch
                        R2C combines maximum performance and show car looks into the best performing air cleaner lids available today! These crystal clear air cleaner tops provide the ultimate in durability with strong and flex resistant Polycarbonate construction.  Show off your billet carburetor and components with these clear lids.
  • Crystal Clear "Bulletproof" Polycarbonate provides the ultimate in durability
  • CFD Designed to maximize profile pressure and velocity
  • Strong and flex resistant - Creates improved sealing over aluminum lids
  • Wont bend or deflect
  • Awesome looks to display your anodized and billet carburetors,components and R2C CFD and Anodized Air Cleaner Bases
  • Fits 14" diameter filters
  • Top lid ONLY
K&N Filters 99-0621 Air Filter Cleaner
                        

K&N Air Filter Cleaner is a high-performance cleaner and degreaser used to remove road grime, engine exhaust and grease from cotton air filters. After you clean your filter, be sure to reapply K&N air filter oil (at right) which catches minute dust and dirt particles and suspends them, allowing air to pass through freely.

32 oz. squirt bottle.

K&N Filters 99-0516 Air Filter Oil, Aerosol
                        

K&N Air Filter Oil is the only oil specially formulated to work in combination with the cotton fabric in K&N Filtercharger elements providing a superior air filtration system. When used as directed, it quickly penetrates the filter pleats, where it remains suspended in the cotton fabric. Saturation is maintained until the element is cleaned with K&N Air Filter Cleaner.

NOTE: Aerosol items cannot be shipped by air.

Outerwears 14 x 4 Black Tall Air Cleaner Pre-Filter
                        Made from a durable polyspun material containing uniform micron openings. Recommended by engine builders and professional race teams around the world. 

Keep the bigger and most damaging particles of sand, dirt, clay and oil drips from getting to and clogging the fins of your air cleaner element. Fits 14" air cleaner elements. Available 4" tall. 

Available in seven colors: yellow, red, orange, blue, pink, purple and black.