Quicksilver Oil Filter 877761Q01 for Mercury/Mariner 75–115hp & 150hp EFI — OEM Fit, Anti-Drain Valve

Quicksilver 877761Q01 is a direct-fit replacement oil filter engineered for select Mercury and Mariner 75–115hp outboards and the Mercury 150hp EFI 4-stroke, delivering dependable contaminant removal and start-up protection.

When maintaining an outboard engine, choosing the correct oil filter prevents wear and preserves performance. The Quicksilver 877761Q01 is built to original-equipment specifications to work seamlessly with compatible Mercury and Mariner engines. Backed by Quicksilver’s decades-long focus on marine parts, this filter prioritizes filtration efficiency, corrosion resistance and installation simplicity so you can get back on the water with confidence.

Which engines and serial ranges is this oil filter compatible with?

This Quicksilver oil filter fits a defined group of Mercury and Mariner outboards. It covers 75–115hp models within the serial number range 1B366823 through 2B094995, plus the Mercury 150hp EFI 4-stroke outboard. Always confirm fitment against your engine’s serial number or owner manual before ordering.

• Compatible with Mercury/Mariner 75–115hp outboards (serial 1B366823–2B094995)
• Fits Mercury 150hp EFI 4-stroke outboard engines
• Designed to meet OEM fit and seal dimensions for direct replacement

How does this filter protect the engine during startup and operation?

The 877761Q01 reduces the risk of dry starts and captures contaminants that accelerate wear. It incorporates an anti-drain back valve to retain oil in the filter cavity, ensuring immediate lubrication at startup, and M-pleated media to trap particles effectively during operation.

• Anti-drain back valve prevents oil loss when engine is off
• M-pleated cleansing media captures fine contaminants
• Helps preserve bearing and cam surface life by reducing abrasive particles

How durable and easy to replace is the Quicksilver 877761Q01?

This filter combines a heavy-duty metal shell with user-friendly serviceability. The shell is roughly 50% thicker than many conventional filters and finished to resist corrosion in marine environments. Removal and installation require common tools or a standard oil filter wrench, making routine maintenance straightforward.

• 50% thicker metal shell for improved structural strength
• Corrosion-resistant finish suited for marine use
• Standard oil filter wrench compatibility for quick changes

What performance standards and testing back this Quicksilver part?

The 877761Q01 is produced to Mercury Marine original equipment specifications and undergoes rigorous testing to confirm fit, filtration effectiveness and durability. Quicksilver parts are developed to meet the demands of marine operating conditions, giving technicians and boat owners a reliable OEM-level option.

• Manufactured to meet Mercury Marine OEM specifications
• Subjected to filtration and durability testing in marine-like conditions
• Supported by Quicksilver’s long-standing marine parts expertise

Who this is for: The Quicksilver 877761Q01 is best for boat owners, marina technicians and service professionals who operate or maintain compatible Mercury and Mariner outboard engines and prefer OEM-quality parts. If you need a dependable, easy-to-install replacement that minimizes startup wear, resists corrosion and matches factory specifications, this filter is a suited choice.