Polaris PS-4 Oil Change Kit for Ranger, RZR, ACE 900 XC vs Yamaha Grizzly 660 Oil Change Kit & 3 Qt Oil

Overall winner: Polaris PS-4 Oil Change Kit for Ranger, RZR, ACE 900 XC

Key Differences

Polaris PS-4 (A) includes full synthetic oil formulated for wide temperature protection (-40F to 100F) and a custom additive system to reduce wear, while Yamaha (B) emphasizes OEM filters and seals with enough oil for one change. Pick Polaris if you need synthetic oil and broader temperature range; pick Yamaha if you prefer an OEM filter/seal kit tailored for the Grizzly 660 and a lower listed price tier

Polaris PS-4 Oil Change Kit for Ranger, RZR, ACE 900 XC

Polaris PS-4 Oil Change Kit for Ranger, RZR, ACE 900 XC

Polaris • ★ 4.2/5 • Mid-Range

Oil change kit with PS-4 5W-50 full synthetic oil, filter, and washer for 4-stroke Polaris engines. Provides wide temperature protection and engine deposits reduction. Customers note quality and complete contents, with mixed feedback on the oil filter

Pros

  • full synthetic oil included
  • custom additive system reduces wear and deposits
  • wide temperature protection (-40F to 100F)
  • kit includes filter and washer

Cons

  • mixed feedback on oil filter inclusion
  • some reports of missing filter in kit
Check current price on Amazon →
Yamaha Grizzly 660 Oil Change Kit & 3 Qt Oil

Yamaha Grizzly 660 Oil Change Kit & 3 Qt Oil

Yamaha Motor • ★ 4.1/5 • Mid-Range

Oil change kit for Yamaha Grizzly 660 (2002-2008) with OEM oil filters, seals, and oil. Includes enough oil for one change. Customers note good value and quality

Pros

  • includes OEM oil filters
  • seals included
  • oil sufficient for one change
  • all-in-one kit

Cons

  • based on customer insights
  • no negative data provided
Check current price on Amazon →

Head-to-Head

CriteriaWinner
Price Yamaha Motor
Durability Polaris
Versatility Polaris
User Reviews Polaris