Sierra 10W-30 Catalyst Oil No. 18-9420 - 1 Gallon

Sierra 10W-30 Catalyst Oil No. 18-9420 - 1 Gallon

• Meets requirements of modern 4-stroke recreational engines with or without emission catalyst systems
• Approved for all 4-stroke applications including Outboard, Sterndrive and Inboard
• Exceeds all 4-stroke requirements including FC-W and FC-W Cat Compatible
• Provides superior corrosion protection under extreme conditions
• Industry leading wear protection and deposit control
• Capitalizing on "ZDDP" anti-wear additive technology
• Prevents phosphorous depletion and extends the emission catalyst life
• NMMA FC-W Certified