K&N Replacement Air Filter Round 11in OD 9-1/4in ID 6in H

SKU: E-3690 | UPC: 024844004376

K&N Replacement Air Filter Round 11in OD 9-1/4in ID 6in H – Polaris Sportsman 2002-2007

The K&N E-3690 is a washable high-flow replacement air filter designed for Polaris Sportsman ATV models including 500 H.O., 700, 800 EFI and MV700 from 2002 to 2007. Its layered oiled cotton media allows more air into the engine for added horsepower while trapping dirt and contaminants. This direct drop-in filter installs into the factory airbox with no modifications and cleans easily for repeated use.

Key Features

• Increased Horsepower: Engineered design pulls in more air to deliver noticeable power gains on Polaris Sportsman ATVs.
• High Airflow Filtration: Multi-layer oiled cotton captures fine particles while supporting unrestricted airflow for better throttle response.
• Emissions Legal: Meets regulations in all 50 states for compliant performance upgrade.
• Factory Airbox Fit: Precision shape with 9-1/4in ID, 11in OD and 6in height matches OEM dimensions for simple installation.
• Lifetime Durability: Washable and reusable, cleans every 50,000 miles under highway conditions and lasts vehicle life.

Product Notes

• Re-oil filter with 1.62 oz of K&N air filter oil after washing for peak performance.
• Clean using K&N cleaning kit. allows up to 100,000 miles between services in dusty conditions.
• Product weight 1.6 lb. package dimensions 11in x 11in x 6in.

Installation Notes

• Professional installation recommended.
• Drop-in replacement requires no cutting or tools beyond airbox access.
• Compatible with stock airbox hardware on Polaris Sportsman models.

This Part Fits

Year	Make	Model	Submodel
2005-2007	Polaris	Sportsman 500	H.O.
2002-2006	Polaris	Sportsman 700
2005-2006	Polaris	Sportsman 800	EFI
2005-2007	Polaris	Sportsman MV	700

Why Choose K&N?

• Over 50 years of air intake engineering for powersports vehicles.
• Layers of protection from dirt while feeding engines more air.
• No-hassle lifetime limited warranty covers every filter.

Frequently Asked Questions

• Q: Will the E-3690 fit my 2006 Polaris Sportsman 500 H.O.?
  A: Yes, it is a direct OEM replacement for 2005-2007 Sportsman 500 H.O. models with 9-1/4in inlet.
• Q: What media does this filter use?
  A: Four layers of oiled cotton gauze pleated for high capacity and dirt-holding ability.
• Q: What is the warranty and maintenance?
  A: No-hassle lifetime limited warranty. wash and re-oil every 50,000 miles or annually, does not void vehicle warranty.

Shipping & Handling

• Method: UPS Ground
• Availability: In stock – ships same or next business day
• Packaging: Protective box 12.5in x 12.1in x 7.2in
• Weight: 1.6 lb