Mercury – Replacement Oil Filter | Hi-Performance V-8 Series | Durable Steel Housing | 881126K01

Overview
There is a certain comfort that comes from knowing your engine is breathing clean, well-filtered oil. It is the kind of confidence you feel when you turn the key on a cool morning, hear that deep V-8 rumble settle in, and know everything underneath the hatch is being taken care of. The Mercury 881126K01 Replacement Oil Filter fits into that moment—quietly doing its job, protecting the heart of your MerCruiser Hi-Performance engine without asking for attention. For anyone who treasures long weekends, long runs, and long-lived engines, a dependable oil filter is one of those simple parts that carries a lot of weight. It lets you focus on the water ahead, not the worry behind.

Key Features

• Designed for MerCruiser Hi-Performance General Motors–built V-8 engines

• Screw-on filter with durable steel housing for secure, leak-resistant installation

• Anti-drain back valve maintains start-up lubrication and prevents dry starts

• High-capacity M-Pleated filtration media captures harmful contaminants

• Engineered to meet Mercury Marine’s original equipment manufacturer specifications

• Easy to remove and replace using a standard oil filter wrench and basic tools

Engine & Boat Compatibility
This Mercury Marine part is intended for:

• MerCruiser Hi-Performance V-8 engines built by General Motors

• Not intended for SCi 600, 662, or 700 engines within serial range 0M953905–0M962240

• Not compatible with MerCruiser 850, 1075, or 1200 models
  Suitable for a wide variety of boats powered by these engines:

• Performance offshore boats

• Sport cruisers

• Larger runabouts and towboats

• Classic sterndrive vessels running high-load V-8 power

Performance & Practical Benefits
This filter delivers the kind of quiet stability you notice over time—cleaner oil, steadier temperatures, and a smoother relationship between engine components. The M-Pleated filter material offers a deep, even path for oil to travel through, catching the tiny debris that can wear down bearings and shorten engine life. With the anti-drain back valve, your engine receives lubrication right at start-up, giving you that tight, confident crank instead of the hesitation that dry starts create.

Installation is straightforward, and the secure screw-on design gives a snug, dependable seal. Once installed, the filter simply does its work in the background while you handle the throttle and the horizon. It is a small piece with a big role—keeping the engine’s lifeblood clean so your hours on the water stay smooth and enjoyable.

Why Buy OEM
There is no shortcut when it comes to filtration. Mercury OEM filters are built with the exact media density, flow characteristics, and valve performance that MerCruiser engines expect.

• Made for precise fit and consistent pressure

• Engineered to support long-term engine health

• More reliable than generic aftermarket versions

• Maintains warranty compliance and factory-level protection
  If you are the kind of boater who prefers to fix things once—and fix them right—OEM is the way to go.

FAQ

Q1: Which engines does the 881126K01 filter fit?
It fits MerCruiser Hi-Performance V-8 engines made by General Motors, excluding specific SCi and high-output models listed in the product details.

Q2: What sets this filter apart from aftermarket versions?
Mercury engineers the filtration media, flow rate, and internal valves specifically for their V-8 platforms, ensuring balanced pressure and consistent protection.

Q3: How do I confirm this is my correct replacement filter?
Match your engine model and check your owner’s manual or parts guide. If your engine falls into the excluded SCi ranges, choose the appropriate alternative filter.

Q4: Can this filter be used in saltwater and freshwater boats?
Absolutely. It performs the same in both environments because filtration quality does not depend on water type.

Q5: Is installation simple for most boat owners?
Yes. It is a standard screw-on filter that can be replaced with a common oil filter wrench and a little patience.