No hassle
Live in-stock
Save over
60% retail
You have no items in your shopping cart.
June Sale: $48.99
In Stock
May ship from manufacturer
Free Shipping
Part number: RU-3700
Universal product
Product Details
K N RU-3700 Air Filter Ru-3700
Products specifications
Air Cleaner Top Style Rubber
Air Filter Bottom Measurement 5.000 in. diameter
Air Filter Shape Round Tapered
Air Filter Style Conical
Air Filter Top Measurement 4.625 in. diameter
Base Inside Diameter 0 in (0 mm)
Base OD 5in(127mm)
Base Outside Diameter 5 in (127 mm)
Filter Color Red
Filter Material Cotton gauze
Filter Re-Oiling Amount 0.7 oz (21 ml)
Flange Angle 0 degrees
Flange Center to Center 0 in (0 mm)
Flange Diameter 3in(76mm)
Flange Inside Diameter 3 in (76 mm)
Flange Length 1.75in(44mm)
Flange Offset 0in(0mm)in
Flange Type Centered
Flanges 1
Height 4 in (102 mm)
Inlet Flange Inside Diameter (in) 3.000 in.
Inner Wire No
Length 4in(102mm)
Length (in) 4.000 in.
Package Contents 1 Air Filter
Package Quantity 1
Product Style Round Tapered Universal Air Filter
Quantity Sold individually.
Top Inside Diameter 0 in (0 mm)
Top Material/Finish None
Top OD 4.625in(117mm)
Top Outside Diameter 4.625 in (117 mm)
Air Filter Large End Diameter 5 in (127 mm)
Weight 1.2 lb (0.5 kg)
  • Billet machined air filter flange
  • O-Rings to seal flange to air box
  • Allows removal of air box lid for greater airflow
  • Plus the addition of a high flow filter will make your ATV fly
Add your review
Great products, and pricing
Great customer service.  My product came quickly and just as described.  Can't beat the prices anywhere on the internet, I looked for 2 months before buying.  Thanks!
Great variety of products offered. Quick shipping.
Easy thanks!
Show All Reviews
Nissan Sentra
2012 Nissan Sentra ALL
2011 Nissan Sentra ALL
2010 Nissan Sentra ALL
2009 Nissan Sentra ALL
2008 Nissan Sentra ALL
2007 Nissan Sentra ALL
Return Policy
Returns are easy at THMotorsports
Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy