


K&N 1.25in Flange ID x 3in OD x 2.5 inch H Rubber Base Crankcase Vent Filter
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
K&N 1.25in Flange ID x 3in OD x 2.5 inch H Rubber Base Crankcase Vent FilterK&N crankcase vent filters are perfect for racing applications, vintage cars or individuals who want to add some aesthetics to their classic carbureted engine. The 62 1380 crankcase vent filter has a black rubber top and base. The filter is 2 1 2 inches tall, 3 inches in outside diameter with a 1 1 4 inch inside diameter flange which is designed to clamp onto a vent tube or outlet. Constructed with a cotton filter media it can be cleaned and reused
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Your K&N 1.25in Flange ID x 3in OD x 2.5 inch H Rubber Base Crankcase Vent Filter orders ship within 1-2 business days.
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- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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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.
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4.5 ★★★★★
Based on 323 reviews
Sort
Product Reviews
★★★★★ 5
Must have over other filters.
Size: 2" x 10" x 11"
Amazing KN never fails for cabin filter works great in my 2021 Honda Civic hatchback sport touring.Must have for the 10th Gen Civic better air flow in car and cleaner smell easy to wash and reuse.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
★★★★★ 5
Quality
Size: 2" x 10" x 11"
My brother put me onto these filters.
Super easy to install. Also bought engine filter. One time expense. A bit pricey but cost covered if you were still buying paper ones in about 3 changes of paper ones. Will definitely pay for themselves. Highly recommend
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026
★★★★★ 5
It works like a champ!!
Size: 2" x 10" x 11"
best darn filter made..
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 10, 2026
★★★★★ 5
Excellent Air Flow
Size: 2" x 10" x 11"
Maximum clean air flow and lifetime use. Best you can buy. Invest 💯
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 15, 2026
★★★★★ 4
Does Not Fit
Size: 2" x 10" x 11"
This does not fit the 2024 Accord Sport Hybrid. It is approximately 1/4 inch too wide on each side (1/2 inch total), will not fit in the opening. Car was entered into the system and purchase page says this is correct and will fit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 22, 2026
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