Sierra 25W-40 4 Stroke Synthetic Blend Marine Engine Oil, Catalyst Compatible, 5 Quart

Model # 17414095 Mfg # 18-9440CAT-4
4.6 out of 5 Customer Rating
Advice & How-To
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
Sierra 25W-40 4 Stroke Synthetic Blend Marine Engine Oil, Catalyst Compatible, 5 Quart
Model # 17414095 Mfg # 18-9440CAT-4
4.6 out of 5 Customer Rating
Advice & How-To
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
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Sierra 25W-40 Synthetic Catalyst Oil prevents phosphorous depletion and extends the emission catalyst life, capitalizing on "ZDDP" anti-wear additive technology.

  • Meets requirements of modern 4-stroke recreational engines with or without emission catalyst systems
  • Minimizes corrosion that is formed inside the engine
  • Displays enhanced detergent properties to suspend and prevent engine sludge formation
  • Industry leading wear protection and deposit control
  • Prevents excessive thinning under extreme performance operations
  • NMMA FC-W Certified/API-SL

Sierra Limited Lifetime Warranty

Capacity 5 Quarts
Compatibility Inboards , Outboards , Sterndrives
Service Category FC-W
Type Synthetic
Viscosity 25W40

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