Skip to main content

Confirm this item fits

Add your vehicle to make sure this item fits and qualifies for free returns.

Polaris
Trail Boss 250R

Picture 1 of 1

Stock photo
Stock photo
Uni - NU-2297 ST - Polaris Trail Boss Blazer Xplorer Competition 250 250R 400 - Picture 1 of 1

Uni - NU-8501ST - Multi-Stage Competition Air Filter

4.52 product ratings
Performance Motor Sports Of Utah (23614)
99.3% positive feedback
Price:
$24.81
Free shipping
Estimated delivery Wed, Sep 3 - Sat, Sep 6
Returns:
30 days returns. Seller pays for return shipping.
Condition:
New
This Uni race suit is perfect for any Polaris Trail Boss, Blazer, Xplorer, or Competition 250, 250R, or 400 rider. The suit is designed for maximum comfort and performance, with a focus on breathability and durability.

About this product

Product Identifiers

BrandUNI
Manufacturer Part NumberNU-8501ST
eBay Product ID (ePID)209841971

Additional Product Features

Part TypeMulti-Stage Competition Air Filter

All listings for this product

Buy It Now
New
Uni - NU-2297 ST - Polaris Trail Boss Blazer Xplorer Competition 250 250R 400
item 1 Uni - NU-2297 ST - Polaris Trail Boss Blazer Xplorer Competition 250 250R 400
$24.81
Free shipping
Uni Nu 8501St Uni Air Filter Polaris Atv
item 2 Uni Nu 8501St Uni Air Filter Polaris Atv
$27.91
Free shipping
NEW Uni - NU-8501ST Air Filter Polaris·Trail Blazer BOSS XPLORER FREE SHIP
item 3 NEW Uni - NU-8501ST Air Filter Polaris·Trail Blazer BOSS XPLORER FREE SHIP
$28.36
Free shipping
UNI Two Stage Foam Air Filter (NU-8501ST)
item 4 UNI Two Stage Foam Air Filter (NU-8501ST)
$28.91
Free shipping
Dual Stage Air Filter for Polaris 250 Trail Boss Trail Blazer Big Boss SEE YEARS
item 5 Dual Stage Air Filter for Polaris 250 Trail Boss Trail Blazer Big Boss SEE YEARS
$28.95
Free shipping
Uni Filter Multi-Stage Competition Air Filter NU-8501ST
item 6 Uni Filter Multi-Stage Competition Air Filter NU-8501ST
$29.38
Free shipping
Uni NU-8501ST NU-8501 UF8501 uniNU-8501ST
item 7 Uni NU-8501ST NU-8501 UF8501 uniNU-8501ST
$29.66
Free shipping
Uni NU-8501ST Multi-Stage Competition Air Filter for Fuel & Air Air Filters id
item 8 Uni NU-8501ST Multi-Stage Competition Air Filter for Fuel & Air Air Filters id
$30.11
Free shipping
Uni Filter Stage II Competition Air Filter | NU-8501ST
item 9 Uni Filter Stage II Competition Air Filter | NU-8501ST
$30.44
Free shipping
UNI FILTER NU-8501ST UNI FIL FOR POLARIS 2 STK ALL
item 10 UNI FILTER NU-8501ST UNI FIL FOR POLARIS 2 STK ALL
$30.71
Free shipping
1995-2000 Polaris Xplorer ATV Multi-Stage Competition Air Filter
item 11 1995-2000 Polaris Xplorer ATV Multi-Stage Competition Air Filter
$30.87
Free shipping
Uni Multi-Stage Competition Air Filter - NU-8501ST
item 12 Uni Multi-Stage Competition Air Filter - NU-8501ST
$30.87
Free shipping
Uni Filter 1999 Polaris Trail Blazer 250 NU 8501ST 2 STAGE FILTER NU-8501ST
item 13 Uni Filter 1999 Polaris Trail Blazer 250 NU 8501ST 2 STAGE FILTER NU-8501ST
$30.87
Free shipping
Uni Filter NU-8501ST 2-Stage Air Filter
item 14 Uni Filter NU-8501ST 2-Stage Air Filter
$30.87
Free shipping
1987-1999 Polaris P250 Trailboss ATV Multi-Stage Competition Air Filter
item 15 1987-1999 Polaris P250 Trailboss ATV Multi-Stage Competition Air Filter
$30.87
Free shipping
Polaris 1987-1990 250 Trail Boss 2x4 Uni Filter
item 16 Polaris 1987-1990 250 Trail Boss 2x4 Uni Filter
$30.97
Free shipping
Polaris 1987-1993 250 Trail Boss 4x4 Uni Filter
item 17 Polaris 1987-1993 250 Trail Boss 4x4 Uni Filter
$30.97
Free shipping
96-00 250 Xplorer 4x4 Uni Filter MADE IN USA! POLARIS
item 18 96-00 250 Xplorer 4x4 Uni Filter MADE IN USA! POLARIS
$30.97
Free shipping
91-00 250 Trail Blazer Uni Filter MADE IN USA! POLARIS
item 19 91-00 250 Trail Blazer Uni Filter MADE IN USA! POLARIS
$30.97
Free shipping
Polaris 1995-2000 250 Xplorer 4x4 Uni Filter
item 20 Polaris 1995-2000 250 Xplorer 4x4 Uni Filter
$30.97
Free shipping
Polaris 1990-2000 250 Trail Blazer Uni Filter
item 21 Polaris 1990-2000 250 Trail Blazer Uni Filter
$30.97
Free shipping
88-90 250 Trail Boss 2x4 Uni Filter MADE IN USA! POLARIS
item 22 88-90 250 Trail Boss 2x4 Uni Filter MADE IN USA! POLARIS
$30.97
Free shipping
88-99 250 Trail Boss 4x4 Uni Filter MADE IN USA! POLARIS
item 23 88-99 250 Trail Boss 4x4 Uni Filter MADE IN USA! POLARIS
$30.97
Free shipping
UNI Multi-Stage Competition Air Filter NU-8501ST
item 24 UNI Multi-Stage Competition Air Filter NU-8501ST
$32.25
Free shipping
UNI Multi Stage Competition Air Filter NU-8501ST
item 25 UNI Multi Stage Competition Air Filter NU-8501ST
$32.79
Free shipping
Uni Foam Air Filter Multi Stage Competition Open Polaris Trail Boss Blazer Big
item 26 Uni Foam Air Filter Multi Stage Competition Open Polaris Trail Boss Blazer Big
$33.95
Free shipping
Uni Foam Air Filter Multi Stage Competition Open Cell Polaris Xplorer Xpress
item 27 Uni Foam Air Filter Multi Stage Competition Open Cell Polaris Xplorer Xpress
$33.95
Free shipping
Uni NU-8501ST Multi-Stage Competition Air Filter
item 28 Uni NU-8501ST Multi-Stage Competition Air Filter
$33.95
Free shipping
POLARIS AIR FILTER UNI NU-8501ST
item 29 POLARIS AIR FILTER UNI NU-8501ST
$33.95
Free shipping
Uni 89-92 & 97 Polaris Big Boss / 90-00 Trailblazer 250 / 87-99 Trailboss 250 Ai
item 30 Uni 89-92 & 97 Polaris Big Boss / 90-00 Trailblazer 250 / 87-99 Trailboss 250 Ai
$35.00
Free shipping
Uni 89-92 & 97 Polaris Big Boss / 90-00 Trailblazer 250 / 87-99 Trailboss 250 Ai
item 31 Uni 89-92 & 97 Polaris Big Boss / 90-00 Trailblazer 250 / 87-99 Trailboss 250 Ai
$35.00
Free shipping
Uni NU-8501ST Multi-Stage Competition Air Filter
item 32 Uni NU-8501ST Multi-Stage Competition Air Filter
$35.80
Free shipping
Uni Multi-Stage Competition Air Filter NU-8501ST
item 33 Uni Multi-Stage Competition Air Filter NU-8501ST
$35.95
Free shipping
Uni Multi-Stage Competition Air Filter NU-8501ST
item 34 Uni Multi-Stage Competition Air Filter NU-8501ST
$35.99
Free shipping
Uni Filter Two Stage Competition Air Filter | NU-8501ST
item 35 Uni Filter Two Stage Competition Air Filter | NU-8501ST
$29.07
+$6.99 shipping
Uni NU-8501ST Multi-Stage Replacement Part Air Filter
item 36 Uni NU-8501ST Multi-Stage Replacement Part Air Filter
$37.01
Free shipping
UNI Two Stage Competition Filter - NU-8501ST
item 37 UNI Two Stage Competition Filter - NU-8501ST
$29.66
+$7.99 shipping
UNI FILTER UNI AIR FILTER POLARIS ATV NU-8501ST
item 38 UNI FILTER UNI AIR FILTER POLARIS ATV NU-8501ST
$37.68
Free shipping
Uni Multi-Stage Competition Air Filter NU-8501ST
item 39 Uni Multi-Stage Competition Air Filter NU-8501ST
$33.95
+$4.94 shipping
UNI Filters NU-8501ST Air Filter for Polaris ATV * High-Performance Replacement
item 40 UNI Filters NU-8501ST Air Filter for Polaris ATV * High-Performance Replacement
$32.95
+$5.95 shipping
Uni NU-8501ST Multi-Stage Competition Air Filter A/F Dirt Street Moto Offroad
item 41 Uni NU-8501ST Multi-Stage Competition Air Filter A/F Dirt Street Moto Offroad
$33.95
+$5.99 shipping
Uni Air Filter #NU-8501ST Polaris Trail Boss 250/Trail Boss 350 MADE IN USA NEW
item 42 Uni Air Filter #NU-8501ST Polaris Trail Boss 250/Trail Boss 350 MADE IN USA NEW
$40.43
Free shipping
Uni Multi-Stage Competition Air Filter NU-8501ST
item 43 Uni Multi-Stage Competition Air Filter NU-8501ST
$30.64
+$9.99 shipping
Uni Multi-Stage Competition Air Filter NU-8501ST
item 44 Uni Multi-Stage Competition Air Filter NU-8501ST
$33.95
+$6.95 shipping
Uni Multi-Stage Competition Air Filter NU-8501ST
item 45 Uni Multi-Stage Competition Air Filter NU-8501ST
$30.97
+$9.99 shipping
Uni Air Filter #NU-8501ST Polaris Trail Boss 250/Trail Boss 350 MADE IN USA NEW
item 46 Uni Air Filter #NU-8501ST Polaris Trail Boss 250/Trail Boss 350 MADE IN USA NEW
$41.60
Free shipping
Uni Air Filter #NU-8501ST Polaris Trail Boss 250/Trail Boss 350 MADE IN USA NEW
item 47 Uni Air Filter #NU-8501ST Polaris Trail Boss 250/Trail Boss 350 MADE IN USA NEW
$41.60
Free shipping
Uni Multi-Stage Competition Air Filter NU-8501ST
item 48 Uni Multi-Stage Competition Air Filter NU-8501ST
$32.25
+$10.49 shipping
UNI Multi-Stage Competition Air Filter - NU-8501ST
item 49 UNI Multi-Stage Competition Air Filter - NU-8501ST
$32.95
+$9.95 shipping
Uni Multi-Stage Competition Air Filter NU-8501ST
item 50 Uni Multi-Stage Competition Air Filter NU-8501ST
$32.95
+$9.95 shipping
1990-2000 for Polaris Trail Blazer 250 UNI FILTER Filter 2-Stroke All NU-8501ST
item 51 1990-2000 for Polaris Trail Blazer 250 UNI FILTER Filter 2-Stroke All NU-8501ST
$32.95
+$10.00 shipping
UNI 1989-1992 Big Boss 250 4X6 Polaris MULTI-STAGE COMPETITION AIR FILTER NU-850
item 52 UNI 1989-1992 Big Boss 250 4X6 Polaris MULTI-STAGE COMPETITION AIR FILTER NU-850
$44.30
Free shipping
UNI 1991-1992 Big Boss 250 6X6 Polaris MULTI-STAGE COMPETITION AIR FILTER NU-850
item 53 UNI 1991-1992 Big Boss 250 6X6 Polaris MULTI-STAGE COMPETITION AIR FILTER NU-850
$44.30
Free shipping
UNI 1996-1997 Xpress 400L Polaris MULTI-STAGE COMPETITION AIR FILTER NU-8501ST
item 54 UNI 1996-1997 Xpress 400L Polaris MULTI-STAGE COMPETITION AIR FILTER NU-8501ST
$44.30
Free shipping
UNI 1990-2000 Trail Blazer 250 Polaris MULTI-STAGE COMPETITION AIR FILTER NU-850
item 55 UNI 1990-2000 Trail Blazer 250 Polaris MULTI-STAGE COMPETITION AIR FILTER NU-850
$44.30
Free shipping
UNI 1996-1999 Xpress 300 Polaris MULTI-STAGE COMPETITION AIR FILTER NU-8501ST
item 56 UNI 1996-1999 Xpress 300 Polaris MULTI-STAGE COMPETITION AIR FILTER NU-8501ST
$44.30
Free shipping
UNI 1997 Big Boss 400L 6X6 Polaris MULTI-STAGE COMPETITION AIR FILTER NU-8501ST
item 57 UNI 1997 Big Boss 400L 6X6 Polaris MULTI-STAGE COMPETITION AIR FILTER NU-8501ST
$44.30
Free shipping
UNI FILTER ATV POL 4X4 PART# NU-8501ST NEW
item 58 UNI FILTER ATV POL 4X4 PART# NU-8501ST NEW
$44.30
Free shipping
Uni Filter Air Filter For Polaris Nu8501St
item 59 Uni Filter Air Filter For Polaris Nu8501St
$32.95
+$15.00 shipping
listings for this product

Ratings and Reviews

Learn more
4.5
2 product ratings
  • 1 users rated this 5 out of 5 stars
  • 1 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
  • 0 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

  • by mtreat11
    Sep 16, 2019

    Good filter

    As advertised

    Verified purchase: YesCondition: New

Best Selling in Air Filters

Save on Air Filters

Trending price is based on prices over last 90 days.

You may also like