K&N E-3690 Universal Round Air Filter 11in OD x 9-1/4in ID x 6in H No Inner Wire

Vehicle Fitment

• Universal - fits any engine using a round element air cleaner housing with an 11 in. outside diameter and 9-1/4 in. inside diameter opening

Fitment Notes

• Designed for use in custom builds, hot rods, industrial equipment, generators, heavy-duty applications, and any round air cleaner assembly matching the filter dimensions
• Verify your air cleaner housing dimensions before purchase - outside diameter 11.00 in., inside diameter 9.25 in., height 6.00 in.
• No inner wire construction - flexible filter body; confirm compatibility with your housing and clamping method before purchase
• Not intended for use on emissions-controlled street vehicles - confirm suitability for your application
• Filter comes pre-oiled and ready to install

Features

• Oiled cotton gauze media delivers high airflow and exceptional filtration efficiency - engineered to increase horsepower and protect the engine from contaminants
• Round flat design fits a wide range of custom and industrial air cleaner housings using the matching 11 in. OD / 9-1/4 in. ID dimensions
• No inner wire construction allows for a flexible, adaptable fit in a variety of round housing configurations
• Washable and reusable - service interval up to 75,000 miles under normal driving conditions
• Engineered to last the entire lifespan of the application - eliminates the recurring cost of disposable paper filters
• Backed by K&N's No-Hassle Lifetime Limited Warranty

Specifications

• Filter Style: Universal Round Replacement Air Filter
• Filter Media: Oiled Cotton Gauze
• Filter Shape: Round, Flat
• Filter Color: Red
• Outside Diameter: 11.00 in (279 mm)
• Inside Diameter: 9.25 in (235 mm)
• Height: 6.00 in (152 mm)
• Inner Wire: None
• Pre-Oiled: Yes
• Service Interval: Up to 75,000 miles
• Warranty: No-Hassle Lifetime Limited Warranty

Included Components

• 1x K&N Round Universal Replacement Air Filter (Red, Pre-Oiled)

Product Description

The K&N E-3690 is a universal round oiled cotton gauze replacement air filter designed for any engine using a round element air cleaner housing with an 11 in. outside diameter and 9-1/4 in. inside diameter. Suitable for a wide range of custom automotive builds, hot rod and street rod applications, industrial equipment, generators, and heavy-duty applications, the E-3690 delivers K&N's proven layered oiled cotton gauze filtration - increasing airflow over standard paper filters while capturing and holding harmful contaminants to protect the engine. The filter features no inner wire construction for a flexible, adaptable fit in a variety of round air cleaner housing configurations.

The E-3690 comes pre-oiled and ready to install, and is washable and reusable with a service interval up to 75,000 miles under normal conditions. Once cleaned, simply re-oil and reinstall. Note: this filter is intended for custom, industrial, and heavy-duty applications - confirm suitability for your specific use before purchasing, particularly for emissions-controlled street vehicle applications. Backed by K&N's No-Hassle Lifetime Limited Warranty.