UNI FILTER - NU-8521ST - Replacement OEM Air Filter - Polaris
The UNI FILTER NU-8521ST is built to perform — designed as a direct-fit replacement with OEM-level quality and durability. Key features: Easy to clean with regular grease-cutting dish soap; Must be treated with oil prior to installation; Indefinite service life - simply clean and re-oil.
Features
- Easy to clean with regular grease-cutting dish soap
- Must be treated with oil prior to installation
- Indefinite service life - simply clean and re-oil
- Fits in stock airbox exactly like OEM filter
- Higher airflow for higher performance
- Longer service intervals
- Made in the USA
Specs
- Base Color: Red
- Filter Media Material: Foam
- Product Name: Air Filter
- Features: Washable
- Type: Replacement
- Color/Finish: Red
- Filter Shape: Cylinder
- Units: Each
- Riding Style: UTV
- Filter Media Style: Dual-Layer
- Model: OEM
Frequently Asked Questions - UNI FILTER - NU-8521ST - Replacement OEM Air Filter - Polaris
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
