Uni Filter Air Filter Uni Filter - NU-8521ST
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- UPC:
- 804451085216
- Availability:
- Regularly stocked product
Fitment not listed for this part yet — call or text 813-535-5801 and we will confirm it for your car.
- Part number
- UNINU-8521ST
- Manufacturer part number
- NU-8521ST
- UPC
- 804451085216
- Brand
- Uni Filter
- Part type
- Air Filters - Direct Fit
- Special order
- Yes — ordered in for you; allow extra time
- Box size:
- 5.10 × 5.10 × 11.50 (in)
Complete the job
Read before you buy
For over 50 years, Uni Foam Air Filters have been unsurpassed in both engine protection and overall performance. Their unique two-stage design produces more horsepower and more torque than any other air filter for your ATV.
- Clearance Item:
- N
- LTL:
- N
- MPN:
- NU-8521ST
- Proposition 65:
- N
- Special Order:
- Y
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Uni Filter
Uni Filter Air Filter Uni Filter - NU-8521ST
Uni Filter Air Filter Uni Filter - NU-8521ST FAQ
Most intakes work with the stock tune. When an intake changes the sensor housing size, the maker says a tune is required.
Follow the maker's service interval. Dry filters are blown out or washed; oiled filters are washed and re-oiled with the maker's kit. Over-oiling can foul the airflow sensor.
Yes. Most intakes make the induction sound louder, especially at wide throttle.
Yes. An intake is usually a bolt-on job with hand tools; the maker's guide covers the clamps and the sensor move.
A full intake kit includes its filter; a replacement filter is sold on its own. See What's in the box above.
Yes — monthly options show right under the Add to Cart button. Affirm, Klarna, PayPal Pay Later and Snap Finance are offered at checkout, and checking what you qualify for does not affect your credit score.
Install and care: air filters
Before you start
- Read the maker's guide for where the airflow sensor moves to.
- Have the clamps and hand tools the guide names within reach.
Do
- Seat every coupler fully and tighten the clamps evenly.
- Service the filter on the maker's interval and use the maker's cleaning kit.
Don't
- Don't over-oil an oiled filter; it fouls the airflow sensor.
- Don't run the engine with a coupler loose.
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IN STOCK (15 units)