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K&N E-3740

Replacement Filters > Round Air Filter
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4.9 out of 5 stars 8 Customer Reviews

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List Price: £90.59
Your Price: GBP £68.39 (VAT Included)
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The K&N E-3740 fits some Ford Granada, Ford Scorpio, Impco , and Peugeot 604 models. See vehicle applications for details. The K&N E-3740 replacement air filter is designed to increase horsepower and acceleration by reducing restriction and increasing air flow to your engine. The E-3740 is made with oiled layers of woven cotton that offer superior filtration and can be washed and reused repeatedly. K&N replacement air filters can go up to 50,000 miles before cleaning is required, depending on driving conditions. One K&N replacement air filter costs less than replacing disposable air filters over and over again. The E-3740 is simple to install and is custom designed to fit right into the factory air box of older Ford Scorpio and Peugeot models, as well as other applications.
  • Designed to boost horsepower and rate of acceleration
  • Can be cleaned and used again
  • High air flow with exceptional filtration
  • Lasts up to 50,000 miles before cleaning, depending on driving conditions
  • Works with original equipment manufacturer vehicle electronics
  • Emissions legal in all 50 US states
  • Will NOT void vehicle warranty
  • Million Mile Limited Warranty®

Available Information

Part E-3740 Product Specifications

Filter MaterialCotton Gauze
Height2.313 in (59 mm)
Inner WireNo
Inside Diameter12 in (305 mm)
Outside Diameter14 in (356 mm)
Top StyleOpen
Top MaterialNone
Air Filter ShapeRound
Package Contents1 Air Filter
Package Quantity1
Warranty1,000,000 Miles/10 Year
Product StyleRound Air Filter
Air Filter Outlet ShapeNot Flanged
Weight2 lb (0.9 kg)
Filter Re-Oiling Amount1.3 oz (39 ml)
Product Box Height14.25 in (362 mm)
Product Box Length14.13 in (359 mm)
Product Box Width4.38 in (111 mm)
WARNING: Cancer and reproductive

Product Reviews

January 11, 2016 - Part E-3740
I have used K&N products before so am familiar with the quality. Website was good enabling me to order a non standard product using dimensions. Speedy service.

Tony Merrygold
Warwick, United Kingdom
November 30, 2015 - Part E-3740
Great product excellent service. Needed skinny filter to fit under my Covette bonnet as I have a high rise inlet manifold, Very pleased.

David Rose
Bowmore, United Kingdom
May 2, 2017 - Part E-3740
Always happy & pleased with K&N, can't ask for better than the best of excellence!

Gary Robinson
Shreveport, Louisiana
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Review part E-3740