Mercury 8M0123025 175-300HP V6/V8 4-Stroke Oil Filter

Mercury 35-8M0123025 Oil Filter for V6 & V8 FourStroke Outboards

The Mercury 35-8M0123025 Replacement Oil Filter is designed to provide efficient, effective oil filtration for compatible Mercury V6 and V8 FourStroke outboards. This genuine Mercury oil filter helps remove oil contaminants and supports clean oil flow through vital engine components.

Featuring superior M-pleated cleansing filter media, this oil filter is built to help protect Mercury 3.4L V6 and 4.6L V8 FourStroke outboards from damaging contaminants. The anti-drain back valve helps maintain start-up lubrication and helps reduce dry starts after the engine has been sitting.

Product Features:

• Genuine Mercury replacement oil filter
• Fits select Mercury 3.4L V6 and 4.6L V8 FourStroke outboards
• Designed for efficient, effective oil filtration
• Superior M-pleated cleansing filter media helps remove oil contaminants
• Anti-drain back valve helps ensure start-up lubrication
• Easy to replace with common tools and an oil filter wrench
• Interchangeable with Sierra 18-8703

Product Details:

• Brand: Mercury
• Manufacturer Part Number: 35-8M0123025
• Part Type: Outboard Oil Filter
• Application: Select Mercury V6 and V8 FourStroke outboards
• Interchange: Sierra 18-8703

Fits Select Mercury FourStroke Outboards:

• 150R and 200R 3.4L V6 FourStroke, serial number 3B547096 and above
• 175-300 HP 3.4L V6 and 4.6L V8 FourStroke, serial number 2B529482 and above
• 250R and 300R 4.6L V8 FourStroke, serial number 1E080500 and above
• 450R 4.6L V8 FourStroke, serial number 1E083006 through 1E099720

General Installation Steps:

• Unscrew the old oil filter and clean the mounting base.
• Make sure the old gasket is removed from the mounting base.
• Apply a thin coat of oil to the new filter gasket.
• Make sure the gasket is seated properly in the base of the filter.
• Screw the filter on until the gasket contacts the base.
• Tighten 1 to 1-1/4 turns. Do not exceed 1 to 1-1/4 turns.
• Use an acceptable filter wrench if necessary.
• Refill the crankcase, run the engine, and check for leaks.
• Check the oil level after running the engine.

Maintenance Note: Follow your Mercury owner’s manual for the recommended oil filter replacement interval, oil type, oil capacity, and service procedure for your specific outboard.

Fitment Note: Oil filter fitment should be verified by outboard model, horsepower, engine family, serial number, parts diagram, or existing filter part number before ordering. Please confirm this oil filter is correct for your Mercury V6 or V8 FourStroke outboard before purchasing.

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