


K&N Universal Custom Air Filter - Oval Shape 9.313in OD / 2.375 Height
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
K&N Universal Custom Air Filter - Oval Shape 9.313in OD / 2.375 HeightSKU: E 3988 UPC: 024844366818 K&N Universal Custom Air Filter Oval Shape 9. 313in OD 2. 375 Height for Harley Davidson Sportster 2004 2022 K&N E 3988 is a washable reusable oval air filter designed as a direct replacement for RK Series air cleaner assemblies on Harley Davidson Sportster motorcycles from 2004 to 2022. This high flow filter increases horsepower and acceleration by allowing greater airflow while maintaining strong filtration to protect
Quick Dispatch:
Your K&N Universal Custom Air Filter - Oval Shape 9.313in OD / 2.375 Height orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your K&N Universal Custom Air Filter - Oval Shape 9.313in OD / 2.375 Height ships.
Need Help?
Questions about K&N Universal Custom Air Filter - Oval Shape 9.313in OD / 2.375 Height, sizing, or delivery? We're just an email away.
Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for K&N Universal Custom Air Filter - Oval Shape 9.313in OD / 2.375 Height in your area.
Get Shipping Estimates
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
You may also like
4.0 ★★★★★
Based on 64 reviews
Sort
Product Reviews
★★★★★ 5
Good starter for the money
Style: 18493N
Starter works great. It is fitted to a sbc 383 stroker/700r4. Was easy to install and comes with multiple shims for adjustment.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
★★★★★ 5
Great quality
Style: 17933N
Great quality works just as good as oem and fitment was spot on
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
★★★★★ 4
Works.
Style: 17548N
Fits, does it's job, what more do you want?
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
★★★★★ 5
Affordable replacement starter motor
Style: 18145N
Perfect fit and it works. Much easier on the wallet than a Kubota replacement starterl
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
★★★★★ 5
Awesome product at an awesome price.
Style: 6494N
This starter was sold at a great price. I was kinda Leary on buying it at the price advertised at but went with it. It bolted right up and have had no problems with it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026