


K&N Filter Universal Rubber Oval Straight 4.5in OL x 3.75in OW x 7in Height 20 Degree Angle
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
K&N Filter Universal Rubber Oval Straight 4.5in OL x 3.75in OW x 7in Height 20 Degree AngleSKU: RU 1390 UPC: 024844010179 K&N Filter Universal Rubber Oval Straight 4. 5in OL x 3. 75in OW x 7in Height 20 Degree Angle K&N RU 1390 delivers high airflow for racing vehicles radio controlled cars generators snowmobiles tractors and custom intakes. This oval straight filter features a 20 degree angle rubber flange 4. 5in outside length x 3. 75in outside width 7in height flange inside 4. 125in length x 3. 375in width and 0. 75in flange length.
Quick Dispatch:
Your K&N Filter Universal Rubber Oval Straight 4.5in OL x 3.75in OW x 7in Height 20 Degree Angle 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 Filter Universal Rubber Oval Straight 4.5in OL x 3.75in OW x 7in Height 20 Degree Angle ships.
Need Help?
Questions about K&N Filter Universal Rubber Oval Straight 4.5in OL x 3.75in OW x 7in Height 20 Degree Angle, 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 Filter Universal Rubber Oval Straight 4.5in OL x 3.75in OW x 7in Height 20 Degree Angle 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
4.9 ★★★★★
Based on 1589 reviews
Sort
Product Reviews
★★★★★ 5
Nice item
So far so good my power steering is not leaking anymore.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 3, 2025
★★★★★ 5
The quality it’s the best
Best filters ever bought I will buy it again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 22, 2026
★★★★★ 5
Recomendado 10/10
Fácil de instalar y se ve de buena calidad a comparación del que tenía en Valvoline por casi el mismo precio, compré este filtro para mi Civic 2017
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026
★★★★★ 1
Bad
Horrible air flow I don’t recommend and yes it was installed correctly. Don’t waste your money
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 17, 2026
★★★★★ 5
Maintained airflow
Difficult to know how well it’s filtering the air. But it installed correctly and I am still getting good airflow through my vents
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 8, 2026
recommand products
Mother's Day Cheese & Meat Gift with Red & Sparkling Wine
114.34
Sommelier Select Charcuterie, Cheese with Red, White, Rose & Sparkling Wine
112.50
Chocolate Cherry Espresso Martini Cocktail Kit
69.99
I Love You a Latte Coffee Mug
52.34
Pink & Red Roses, Red Wine, and Chocolate Covered Strawberries
132.89