AMSOIL 0W-50 Synthetic ATV/UTV Motor Oil
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All-Season Performance for Polaris ATVs and UTVs
AMSOIL 0W-50 Synthetic ATV/UTV Motor Oil is recommended by AMSOIL in place of Polaris PS-4 Extreme Full Synthetic 0W-50 Engine Oil. Its all-season performance makes it ideal as a year-round oil, helping riders avoid the time and money spent switching between seasonal oils.
Key Benefits
- Recommended replacement for Polaris PS-4 Extreme 0W-50
- Highest viscosity index (191) — most consistent all-season protection
- Eliminates seasonal oil changes in applications that recommend switching to 10W-50
- Pour point of -48°C for outstanding cold-weather startup
- HTHS viscosity of 5.0 cP for strong high-temperature film strength
- Wet-clutch compatible with no friction modifiers
- Warranty Secure — keeps factory warranty intact
Highest Viscosity Index in the Lineup
With the highest viscosity index (191) in the ATV/UTV Motor Oil lineup, the 0W-50 maintains the most consistent viscosity across extreme temperature swings. Its pour point of -48°C (-54°F) delivers outstanding cold-weather startup while its HTHS of 5.0 cP provides strong high-temperature film strength.
Technical Specifications
| Property | Value |
|---|---|
| Kinematic Viscosity @ 100°C, cSt | 19.4 |
| Kinematic Viscosity @ 40°C, cSt | 114.4 |
| Viscosity Index | 191 |
| Flash Point | 220°C (428°F) |
| Fire Point | 230°C (446°F) |
| Pour Point | -48°C (-54°F) |
| NOACK Volatility, % weight loss | 6.7 |
| Four-Ball Wear Test Scar, mm | 0.53 |
| HT/HS Viscosity @ 150°C, cP | 5.0 |
Industry Certifications & OEM Approvals
API
- SL
JASO
- MA
Applications
Use in ATVs and UTVs that require a 0W-50 motor oil, including the Polaris Ranger, RZR, Sportsman and General. Recommended in place of Polaris PS-4 Extreme Full Synthetic 0W-50 Engine Oil.
API SL, JASO MA
Follow the OEM oil-change recommendation.
Pros and Cons
Pros
- Recommended replacement for Polaris PS-4 Extreme 0W-50
- Highest viscosity index (191) — most consistent all-season protection
- Eliminates seasonal oil changes in applications that recommend switching to 10W-50
- Pour point of -48°C for outstanding cold-weather startup
- HTHS viscosity of 5.0 cP for strong high-temperature film strength
- Wet-clutch compatible with no friction modifiers
- Warranty Secure — keeps factory warranty intact
Cons
- Premium Investment: Higher initial cost compared to conventional or "shelf-brand" synthetic oils.
- Limited Local Retail: Primarily available through authorized dealers and specialized synthetic outlets. National Synthetics is a local stocking dealer. Call 1-678-944-8816 to confirm in-stock items for same-day local pickup.
Order Through Your Independent AMSOIL Dealer
Upgrade to all-season AMSOIL protection for your Polaris. As your Independent AMSOIL Dealer, we provide expert guidance and competitive pricing on all AMSOIL products.
Independent AMSOIL Dealer #30576570
Shipping & Returns
Fast, Reliable Shipping
- Free standard ground shipping on orders of $100 ($130 in Canada) or more.
- Orders under the threshold ship for a flat $9.99 ($12.99 in Canada) freight charge.
- In-stock items typically delivered in two to three business days.
- U.S. and Canada only — no shipments to PO Boxes.
30-Day Return Policy
- Return unopened, currently marketed products within 30 days for a full refund (minus freight).
- Exchange unopened products within 90 days with no restocking fee.
- Special-order items are non-returnable.
- Returns are handled directly by AMSOIL.
Independent AMSOIL Dealer #30576570. Product information sourced from AMSOIL. Visit AMSOIL.com for the most current product details and availability.