


K&N Oil Filter 1.625in OD x 2.063in H for 99-07 KTM 250/400/450/520/525/540/625/660/690 (2nd Filter)
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
K&N Oil Filter 1.625in OD x 2.063in H for 99-07 KTM 250/400/450/520/525/540/625/660/690 (2nd Filter)K&N Powersports Cartridge Oil Filters are designed to satisfy the needs of racers and engine builders as well as the average motorcycle or ATV owner who wants the best oil filter available. K&N Powersports Oil Filters trap harmful contaminants while the filter's construction allows for high oil flow rates. K&N Oil Filters are covered by a limited warranty to be free from defects in materials and workmanship when installed and replaced using engine and
Quick Dispatch:
Your K&N Oil Filter 1.625in OD x 2.063in H for 99-07 KTM 250/400/450/520/525/540/625/660/690 (2nd Filter) orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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You'll receive a tracking link by email once your K&N Oil Filter 1.625in OD x 2.063in H for 99-07 KTM 250/400/450/520/525/540/625/660/690 (2nd Filter) ships.
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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]
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4.3 ★★★★★
Based on 590 reviews
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Product Reviews
★★★★★ 5
Great
Size: 1.9" x 9.9" x 11.4"
Great value for the money and easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
★★★★★ 5
nice quality
Size: 1.9" x 9.9" x 11.4"
I happen to be a fan of K&N air filters. Fit perfect in my vehicle. Seems like a much nicer quality filter than the cheapo filters from the parts store.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 7, 2026
★★★★★ 5
excellent product
Size: 1.9" x 9.9" x 11.4"
easy to install
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2026
★★★★★ 5
Great purchase!
Size: 1.9" x 9.9" x 11.4"
This has worked out quite well. I have had it since 2023 and have been cleaned thru about 6 maintenance schedules. It's been 2 yrs and it's in great shape. Worth every penny.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 21, 2025
★★★★★ 4
Really filters the cabin air
Size: 1.9" x 9.9" x 11.4"
K&N filters are always a cut above. Can’t say the same for service/support after the sale.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2026
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