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Uni Filter Dual-Stage Air Filter for 2015-21 Polaris Sportsman 850 - NU-8518ST - Picture 1 of 1

Uni - NU-8518ST - Multi-Stage Competition Air Filter

4.6913 product ratings
SVS Powersports (27002)
99.2% positive feedback
Price:
$31.38
Free shipping
Estimated delivery Wed, Dec 10 - Mon, Dec 15
Returns:
30 days returns. Seller pays for return shipping.
Condition:
New
Uni Filter entered the air filtration industry in 1969 with a simple concept "Lets design an air filter that works.". And that's exactly what we did. And the rest is history. Uni Filter products perform their best in the worst of conditions.

About this product

Product Identifiers

BrandUNI
Manufacturer Part NumberNU-8518ST
eBay Product ID (ePID)209939320

Additional Product Features

Part TypeMulti-Stage Competition Air Filter

All listings for this product

Buy It Nowselected
New
UNI Multi-Stage Air Filter - Polaris Sportsman / Scrambler - NU-8518ST
item 1 UNI Multi-Stage Air Filter - Polaris Sportsman / Scrambler - NU-8518ST
$27.95
Free shipping
Uni Air Filter NU-8518ST Polaris Scrambler 850 2013-2023, Scrambler 1000 2014-23
item 2 Uni Air Filter NU-8518ST Polaris Scrambler 850 2013-2023, Scrambler 1000 2014-23
$20.00
+$8.00 shipping
UNI MULTI-STAGE COMPETITION AIR FILTER- OEM NU-8518ST
item 3 UNI MULTI-STAGE COMPETITION AIR FILTER- OEM NU-8518ST
$29.99
Uni Air Filter Polaris Scrambler 850/1000 13-15, Sportsman XP 550/850 NU-8518ST
item 4 Uni Air Filter Polaris Scrambler 850/1000 13-15, Sportsman XP 550/850 NU-8518ST
$31.36
Free shipping
Uni Nu 8518St Uni Air Filter Polaris Atv
item 5 Uni Nu 8518St Uni Air Filter Polaris Atv
$32.49
Free shipping
Uni NU-8518ST Multi-Stage Competition Air Filter for Fuel & Air Air Filters rp
item 6 Uni NU-8518ST Multi-Stage Competition Air Filter for Fuel & Air Air Filters rp
$32.74
Free shipping
Uni Multi-Stage Competition Air Filter - NU-8518ST
item 7 Uni Multi-Stage Competition Air Filter - NU-8518ST
$32.79
Free shipping
2009 Polaris Sportsman 850 EFI XP Uni Filter Uni Nu 8518St Polaris Xp NU-8518ST
item 8 2009 Polaris Sportsman 850 EFI XP Uni Filter Uni Nu 8518St Polaris Xp NU-8518ST
$32.79
Free shipping
Uni Air Filter NU-8518ST Polaris Scrambler 850 2013-2023, Scrambler 1000 2014-23
Last one
item 9 Uni Air Filter NU-8518ST Polaris Scrambler 850 2013-2023, Scrambler 1000 2014-23
$32.99
Free shipping
Uni - NU-8518ST - Multi-Stage Competition Air Filter
item 10 Uni - NU-8518ST - Multi-Stage Competition Air Filter
$33.15
Free shipping
Uni Filter Stage II Competition Air Filter | NU-8518ST
item 11 Uni Filter Stage II Competition Air Filter | NU-8518ST
$33.48
Free shipping
UNI Two Stage Foam Air Filter (NU-8518ST)
item 12 UNI Two Stage Foam Air Filter (NU-8518ST)
$33.57
Free shipping
UNI Dual Stage Air Filter for Polaris Many Sportsman 550, 850 & 1000 & Scrambler
item 13 UNI Dual Stage Air Filter for Polaris Many Sportsman 550, 850 & 1000 & Scrambler
$34.95
Free shipping
Uni Air Filter Fits POLARIS SPORTSMAN SCRAMBLER NU-8518ST
item 14 Uni Air Filter Fits POLARIS SPORTSMAN SCRAMBLER NU-8518ST
$35.48
Free shipping
Uni Air Filter NU-8518ST Polaris Scrambler 850 2013-2023, Scrambler 1000 2014-23
item 15 Uni Air Filter NU-8518ST Polaris Scrambler 850 2013-2023, Scrambler 1000 2014-23
$35.49
Free shipping
Uni Air Filter Polaris Scrambler 850/1000 13-15, Sportsman XP 550/850 NU-8518 ST
item 16 Uni Air Filter Polaris Scrambler 850/1000 13-15, Sportsman XP 550/850 NU-8518 ST
$29.95
+$5.99 shipping
UNI FILTER NU-8518ST AIR FILTER SPORTSMEN XP
item 17 UNI FILTER NU-8518ST AIR FILTER SPORTSMEN XP
$36.01
Free shipping
UNI Multi-Stage Competition Air Filter NU-8518ST
item 18 UNI Multi-Stage Competition Air Filter NU-8518ST
$36.05
Free shipping
Uni Filter Multi-Stage Competition Air Filter NU-8518ST
item 19 Uni Filter Multi-Stage Competition Air Filter NU-8518ST
$36.86
Free shipping
New UNI Multi-Stage Competition Air Filter Polaris Sportsman Scrambler NU-8518ST
item 20 New UNI Multi-Stage Competition Air Filter Polaris Sportsman Scrambler NU-8518ST
$36.92
Free shipping
Uni Nu 8518St Polaris Xp | NU-8518ST
item 21 Uni Nu 8518St Polaris Xp | NU-8518ST
$37.95
Free shipping
Uni Nu 8518St Polaris Xp | NU-8518ST
item 22 Uni Nu 8518St Polaris Xp | NU-8518ST
$37.95
Free shipping
Uni Air Filter Polaris Scrambler 850/1000 13-15 NU-8518 ST 1011-2933
item 23 Uni Air Filter Polaris Scrambler 850/1000 13-15 NU-8518 ST 1011-2933
$37.95
Free shipping
Uni Foam Air Filter Multi Stage Competition Open Polaris Sportsman Scrambler
item 24 Uni Foam Air Filter Multi Stage Competition Open Polaris Sportsman Scrambler
$37.95
Free shipping
Uni Multi-Stage Competition Air Filter NU-8518ST
item 25 Uni Multi-Stage Competition Air Filter NU-8518ST
$38.43
Free shipping
UNI Two Stage Foam Air Filter Polaris Sportsman 550 01-15 / Sportsman 850 09-15
item 26 UNI Two Stage Foam Air Filter Polaris Sportsman 550 01-15 / Sportsman 850 09-15
$38.99
Free shipping
Uni NU-8518ST Multi-Stage Competition Air Filter
item 27 Uni NU-8518ST Multi-Stage Competition Air Filter
$39.31
Free shipping
Uni Multi-Stage Competition Air Filter NU-8518ST
item 28 Uni Multi-Stage Competition Air Filter NU-8518ST
$39.31
Free shipping
UNI FILTER Air Filter - Polaris NU-8518ST
item 29 UNI FILTER Air Filter - Polaris NU-8518ST
$39.39
Free shipping
Uni Air Filter For POLARIS SPORTSMAN SCRAMBLER
item 30 Uni Air Filter For POLARIS SPORTSMAN SCRAMBLER
$40.19
Free shipping
Uni Filter Two Stage Competition Air Filter | NU-8518ST
item 31 Uni Filter Two Stage Competition Air Filter | NU-8518ST
$33.49
+$6.99 shipping
Uni NU-8518ST Multi-Stage Replacement Part Air Filter
item 32 Uni NU-8518ST Multi-Stage Replacement Part Air Filter
$40.73
Free shipping
Uni Air Filter NU-8518ST
item 33 Uni Air Filter NU-8518ST
$41.28
Free shipping
UNI FILTER UNI AIR FILTER POLARIS ATV NU-8518ST
item 34 UNI FILTER UNI AIR FILTER POLARIS ATV NU-8518ST
$41.73
Free shipping
UNI Two Stage Competition Filter - NU-8518ST
item 35 UNI Two Stage Competition Filter - NU-8518ST
$34.16
+$7.99 shipping
Uni Multi-Stage Competition Air Filter NU-8518ST
item 36 Uni Multi-Stage Competition Air Filter NU-8518ST
$37.95
+$4.94 shipping
UNI - NU-8518ST - Air Filter - Polaris - Scrambler 850 H.O. 4x4 Sportsman XP 100
item 37 UNI - NU-8518ST - Air Filter - Polaris - Scrambler 850 H.O. 4x4 Sportsman XP 100
$42.95
Free shipping
Uni Air Filter NU-8518ST
item 38 Uni Air Filter NU-8518ST
$42.97
Free shipping
UNI Two Stage Foam Air Filter (NU-8518ST)
item 39 UNI Two Stage Foam Air Filter (NU-8518ST)
$43.05
Free shipping
UNI FILTER NU-8518ST Air Filter - Polaris
item 40 UNI FILTER NU-8518ST Air Filter - Polaris
$33.03
+$10.49 shipping
Uni NU-8518ST Multi-Stage Competition Air Filter 16-19 Polaris Sportsman 850
item 41 Uni NU-8518ST Multi-Stage Competition Air Filter 16-19 Polaris Sportsman 850
$37.95
+$6.99 shipping
Uni Multi-Stage Competition Air Filter NU-8518ST
item 42 Uni Multi-Stage Competition Air Filter NU-8518ST
$35.29
+$9.99 shipping
Uni Multi-Stage Competition Air Filter NU-8518ST
item 43 Uni Multi-Stage Competition Air Filter NU-8518ST
$37.95
+$7.95 shipping
Uni Air Filter #NU-8518ST Polaris MADE IN USA Fast Free Shipping
item 44 Uni Air Filter #NU-8518ST Polaris MADE IN USA Fast Free Shipping
$46.06
Free shipping
Uni Air Filter #NU-8518ST Polaris MADE IN USA Fast Free Shipping
item 45 Uni Air Filter #NU-8518ST Polaris MADE IN USA Fast Free Shipping
$46.06
Free shipping
Uni Multi-Stage Competition Air Filter NU-8518ST
item 46 Uni Multi-Stage Competition Air Filter NU-8518ST
$36.05
+$10.49 shipping
UNI - NU-8518ST - MULTI-STAGE COMPETITION AIR FILTER
item 47 UNI - NU-8518ST - MULTI-STAGE COMPETITION AIR FILTER
$46.88
Free shipping
Uni Multi-Stage Competition Air Filter NU-8518ST
item 48 Uni Multi-Stage Competition Air Filter NU-8518ST
$37.95
+$9.00 shipping
Uni Air Filter and Foam Oil For Polaris Scrambler 850 2013-2023, 1000 2014-2023
item 49 Uni Air Filter and Foam Oil For Polaris Scrambler 850 2013-2023, 1000 2014-2023
$47.59
Free shipping
UNI Multi-Stage Competition Air Filter - NU-8518ST
item 50 UNI Multi-Stage Competition Air Filter - NU-8518ST
$37.95
+$9.95 shipping
15-21 for Polaris Sportsman 850 4x4 UNI FILTER Air Sportsman/Scrambler
item 51 15-21 for Polaris Sportsman 850 4x4 UNI FILTER Air Sportsman/Scrambler
$37.95
+$10.00 shipping
UNI FILTER UNI NU 8518ST POLARIS XP NU-8518ST FUEL AND A AIR FILTERS
item 52 UNI FILTER UNI NU 8518ST POLARIS XP NU-8518ST FUEL AND A AIR FILTERS
$53.85
Free shipping
Uni Filter Air Filter For Polaris Nu8518St
item 53 Uni Filter Air Filter For Polaris Nu8518St
$37.95
+$16.00 shipping
listings for this product

Ratings and Reviews

Learn more
4.7
13 product ratings
  • 12 users rated this 5 out of 5 stars
  • 0 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 1 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

See all 12 reviews
  • by jorhelmb-0
    Feb 06, 2019

    Scrambler Air Filter

    Way better design and quality than stock paper filters in my opinion. Make sure to pre oil before installation. Would reccomend to others!

    Verified purchase: YesCondition: New

  • by sedape65
    Aug 22, 2019

    Uni air filter for polaris sportsman xp 1000

    Great product. Good quality. Fits perfectly.

    Verified purchase: YesCondition: New

  • by lynlea-26
    Jun 09, 2025

    Filter fit and worked great

    Must be oiled before installed other then that works great better then a factory filter

    Verified purchase: YesCondition: New

  • by 4wheel_dave
    May 27, 2020

    Uni filter Scrambler 1000

    Great filter, easy to clean and re-oil A++++

    Verified purchase: YesCondition: New

  • by pXmvqHH1QSS@Deleted
    Mar 27, 2018

    Uni air filter for polaris scrambler 1000

    Perfect fit. Did have to purchase oil for filter before installing.

    Verified purchase: YesCondition: New

  • by rousch163m
    Jan 23, 2019

    Great filter

    More horsepower vital engine protection

    Verified purchase: YesCondition: New

  • by mihltakc0
    Oct 17, 2019

    Super :)

    Thank you! The product is as described I am satisfied :)

    Verified purchase: YesCondition: New

  • by axtell85
    Apr 26, 2020

    Air filter

    Nice air filter!

    Verified purchase: YesCondition: New

  • by gorajelici_0
    Jul 04, 2018

    Super

    Verified purchase: YesCondition: New

  • by means_80
    Aug 16, 2025

    Works great

    Works great

    Verified purchase: YesCondition: New

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