Prime Guard QUIK858037 DFI OptiMax 2-Cycle Synthetic Blend Outboard Oil 4 Liter

The Prime Guard QUIK858037 is a synthetic blend 2-cycle engine oil specifically formulated for Direct Fuel Injected (DFI) and OptiMax outboard engines. Engineered to meet the demands of high-performance 2-stroke marine applications, this oil delivers outstanding lubrication, deposit control, and engine cleanliness in a convenient 4-liter (approximately 1 gallon) bottle.

Key Features:

• Synthetic blend formula provides superior lubrication under high operating temperatures and pressures
• Minimizes carbon buildup in injectors and pistons to help maintain top-end engine speed and acceleration
• Advanced additive package resists piston scuffing and cylinder wall wear
• Low-smoke formulation for cleaner combustion and reduced environmental impact
• Compatible and will mix with typical 2-cycle engine oils
• Provides warranty-level protection for Mercury and Mariner OptiMax and DFI outboard engines

Cross-Reference Part Numbers: 858037Q01, 858037K01, 858037KC1, 858037QB1, 858037QC1, 8M0229799, 8M0229798, 8M0229796, 8M0061418, 8M0075302, 8M0230194, 857489A01, 877694K1, 877694Q1, 883701A01

This oil is the correct specification for Mercury and Mariner OptiMax and DFI 2-stroke outboards where reduced oiling rates and higher operating temperatures place increased demands on lubricants. Sold in a 4-liter bottle.