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FourStroke Outboard Maintenance

FourStroke Outboard Maintenance

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  • NGK Spark Plugs 4212 Spark Plug 4212 (Mercury 889246q39)

    NGK Spark Plugs 4212 Spark Plug 4212 (Mercury 889246q39)

    NGK Spark Plugs

    $29.29 $14.74
    NGK Spark Plugs 4212 Spark Plug 4212   Original equipment on many late model applications Iridium at the fine-wire center electrode and platinum at the ground electrode provides maximum durability and performance The platinum at the ground...
    Part Number:
    41-ILFR6GE
    Availability:
    In Stock - Ships same or next business day.
    Model #:
    4212
    What's in the Box:
    (1) Spark Plug
    $29.29 $14.74
  • OEM Mercury 75/90/115 4-Stroke Oil Change Kit SAE 10W-30 8M0107510

    OEM Mercury 75/90/115 4-Stroke Oil Change Kit SAE 10W-30 8M0107510

    Mercury Marine / Quicksilver

    $94.99 $80.99
    For use in all 4-stroke marine engines.  New formula 4-stroke oils are Mercury Engineering approved for all marine 4-stroke outboard applications.  The new formula exceeds all marine industry 4-stroke oil requirements, including FC-W and...
    Part Number:
    710-8M0107510
    Availability:
    In Stock - Ships same or next business day.
    Weight:
    10W-30
    Grade:
    Standard
    Engine:
    75/90/115 HP FourStroke EFI
    $94.99 $80.99
  • OEM Mercury Marine  4-Stroke O/B Oil Filter 35-877761K01

    OEM Mercury Marine 4-Stroke O/B Oil Filter 35-877761K01

    Mercury Marine / Quicksilver

    $19.99 $16.99
    High-quality Mercury Outboard Filters and Mercury 4-Stroke Outboard Oil work together to provide the ultimate protection for your engine.  Unique filtration system screens particles smaller than 1/1000th of an inch to keep your oil cleaner longer...
    Part Number:
    710-35-877761K01
    Availability:
    In Stock - Ships same or next business day.
    $19.99 $16.99
  • OEM Mercury Marine FourStroke Outboard Oil Filter 35-8M0162831

    OEM Mercury Marine FourStroke Outboard Oil Filter 35-8M0162831

    Mercury Marine / Quicksilver

    $18.49 $15.99
    High-Quality Mercury outboard filters and Mercury FourStroke Outboard Oil work together to provide the ultimate protection for your engine. This oil filter is for the following applications: Mercury Mariner 8 HP FourStroke Outboards (BEL...
    Part Number:
    710-35-8M0162831
    Availability:
    In Stock - Ships same or next business day.
    $18.49 $15.99
  • Mercury High Performance Synthetic Blend Four Stroke Oil SAE 25W50 8M0078014 8M0078013

    Mercury High Performance Synthetic Blend Four Stroke Oil SAE 25W50 8M0078014 8M0078013

    Mercury Marine / Quicksilver

    $22.99 $15.99
    Maximum wear protection in extreme racing applications.  Stays in grade under the most demanding conditions to ensure proper lubrication and performance in a wide temperature range.  Contains additives designed for high heat and high rpm to...
    Part Number:
    NW-MER25W50S
    Availability:
    Same Or Next Business Day
    Weight:
    25W-50
    Grade:
    Synthetic
    $22.99 $15.99
  • OEM Mercury 40/50/60 HP EFI Oil Change Kit  SAE 25W-40 8M0081916

    OEM Mercury 40/50/60 HP EFI Oil Change Kit SAE 25W-40 8M0081916

    Mercury Marine / Quicksilver

    $65.99 $59.99
    For use in all 4-stroke marine engines.  New formula 4-stroke oils are Mercury Engineering approved for all marine 4-stroke outboard applications.  The new formula exceeds all marine industry 4-stroke oil requirements, including FC-W and...
    Part Number:
    710-8M0081916
    Availability:
    In Stock - Ships same or next business day.
    Weight:
    25W-40
    Grade:
    Standard
    Engine:
    40/50/60 HP FourStroke EFI
    $65.99 $59.99
  • Sold Out, please call for ETA.
    Mercury 100 Hour Maintenance Kit 40/50/60 HP FourStroke EFI 8M0090558

    Mercury 100 Hour Maintenance Kit 40/50/60 HP FourStroke EFI 8M0090558

    Mercury Marine / Quicksilver

    $93.49 $79.99
    For use on 40 through 60HP EFI FourStrokes Kit Contains: 1 Oil Filter1 Low Pressure Fuel Filter1 High Pressure Fuel Filter1 Oil Drain Seal2 Gearcase Drain Seals1 ThermostatThermostat Gaskets
    Part Number:
    710-8M0090558
    Availability:
    In Stock - Ships same or next business day.
    Engine:
    40/50/60 HP EFI FourStroke
    Interval:
    100 Hours
  • OEM Quicksilver/Mercury Water Pump Kit  46-812966A12

    OEM Quicksilver/Mercury Water Pump Kit 46-812966A12

    Mercury Marine / Quicksilver

    $181.99 $155.99
    OEM Quicksllver/Mercury Water Pump Kit  46-812966A12 Water pump repair kit 812966A12 is for Mercury and Mariner 4-stroke outboards 30 hp through 60 hp (Serial Number: 0T409000 thru 1B355222 and 1C000001 & above). The kit includes water...
    Part Number:
    710-46-812966A12
    Availability:
    In Stock - Ships same or next business day.
    $181.99 $155.99
  • OEM Mercury Marine Verado Outboard Oil Filter  35-877769K01

    OEM Mercury Marine Verado Outboard Oil Filter 35-877769K01

    Mercury Marine / Quicksilver

    $19.99 $16.99
    Mercury oil filters are constructed of the highest quality materials and made specifically for marine applications.  Unique filtration system screens particles smaller than 1/1000th of an inch to keep your oil cleaner longer.  High-efficiency...
    Part Number:
    710-35-877769K01
    Availability:
    In Stock - Ships same or next business day.
    $19.99 $16.99
  • OEM Quicksilver/Mercury DFI Verado Fuel Filter Element  35-8M0122423

    OEM Quicksilver/Mercury DFI Verado Fuel Filter Element 35-8M0122423

    Mercury Marine / Quicksilver

    $39.99 $34.49
    OEM MerCruiser Filter-Fuel Dfi &Veradqs 35-8M0122423 This under-cowl, in-line fuel filter fits many Mercury and Mariner outboards replacing contaminated filters and is mounted under the engine cowl. It also fits in specific MerCruiser fuel filter...
    Part Number:
    710-35-8M0122423
    Availability:
    In Stock - Ships same or next business day.
    $39.99 $34.49
  • Mercury 300 Hour Maintenance Kit 40-60 HP FourStroke 0R106999 and above 8M0113483

    Mercury 300 Hour Maintenance Kit 40-60 HP FourStroke 0R106999 and above 8M0113483

    Mercury Marine / Quicksilver

    $274.99 $242.99
    300 hour EFI outboard service kit is for 40 hp 50 hp and 60 hp Mercury 4-stroke, 4-cylinder EFI outboards with standard gearcases. Kit Includes: Oil FilterFuel Filter, Low PressureFuel Filter, High PressureThermostatThermostat GasketsSpark Plugs x...
    Part Number:
    710-8M0113483
    Availability:
    In Stock - Ships same or next business day.
    Engine:
    40/60 HP 4 Cyl. EFI FourStroke
    Interval:
    300 Hours
    $274.99 $242.99
  • Mercury 300 Hour Maintenance Kit 40-60 HP FourStroke Command Thrust 1C000001 & up 8M0090559

    Mercury 300 Hour Maintenance Kit 40-60 HP FourStroke Command Thrust 1C000001 & up 8M0090559

    Mercury Marine / Quicksilver

    $238.49 $210.49
    300 hour EFI outboard service kit is for 40 hp 50 hp and 60 hp Mercury 4-stroke, 4-cylinder EFI outboard motors with BigFoot or CommandThrust (CT) gearcases only. Kit Includes: Oil FilterFuel Filter, Low PressureFuel Filter, High...
    Part Number:
    710-8M0090559
    Availability:
    In Stock - Ships same or next business day.
    Engine:
    40-60 HP EFI 4 Cly. FourStroke
    Interval:
    300 Hours
    $238.49 $210.49
  • OEM Mercury 15/20 HP Carb 4-Stroke Oil Change Kit SAE 25W-40 8M0081914

    OEM Mercury 15/20 HP Carb 4-Stroke Oil Change Kit SAE 25W-40 8M0081914

    Mercury Marine / Quicksilver

    $37.99 $31.99
    For use in all 4-stroke marine engines.  New formula 4-stroke oils are Mercury Engineering approved for all marine 4-stroke outboard applications.  The new formula exceeds all marine industry 4-stroke oil requirements, including FC-W...
    Part Number:
    710-8M0081914
    Availability:
    In Stock - Ships same or next business day.
    Weight:
    25W-40
    Grade:
    Standard
    Engine:
    15/20 HP FourStroke
    $37.99 $31.99
  • OEM Mercury 25/30 HP EFI 4-Stroke Outboard Oil Change Kit 8M0081915

    OEM Mercury 25/30 HP EFI 4-Stroke Outboard Oil Change Kit 8M0081915

    Mercury Marine / Quicksilver

    $49.99 $44.99
    For use in all 4-stroke marine engines.  New formula 4-stroke oils are Mercury Engineering approved for all marine 4-stroke outboard applications.  The new formula exceeds all marine industry 4-stroke oil requirements, including FC-W and...
    Part Number:
    710-8M0081915
    Availability:
    In Stock - Ships same or next business day.
    Weight:
    25W-40
    Grade:
    Standard
    Engine:
    25/30 HP FourStroke EFI
    $49.99 $44.99
  • OEM Quicksilver Mercury Verado Alternator Belt 135-200hp 4-Cylinder & 200-400hp 6-Cylinder Outboards 57-880566Q14 57-8M0232583

    OEM Quicksilver Mercury Verado Alternator Belt 135-200hp 4-Cylinder & 200-400hp 6-Cylinder Outboards 57-880566Q14 57-8M0232583

    Mercury Marine / Quicksilver

    $36.49 $32.49
    OEM Quicksilver/Mercury Verado Alternator Drive Belt  57-880566Q14 8M0232583 Alternator belt 880566Q14 is for 135 hp through 200 hp 4-cylinder Verado outboards (serial number 1B311420 and above), 200 hp through 300 hp 6-cylinder Verado...
    Part Number:
    710-57-8M0232583
    Availability:
    In Stock - Ships same or next business day.
    $36.49 $32.49
  • Mercury 300 Hour Maintenance Kit 75-115 HP (2.1 L) FourStroke 2B094996 and up 8M0097855

    Mercury 300 Hour Maintenance Kit 75-115 HP (2.1 L) FourStroke 2B094996 and up 8M0097855

    Mercury Marine / Quicksilver

    $326.99 $288.99
    For use with 75 hp thru 115 hp 2.1L EFI FourStroke outboards Kit Includes: Oil FilterFuel Filter, Low PressureThermostatThermostat GasketsSpark Plugs x (4)Water Pump Impeller KitPower Trim AnodeLower Unit AnodeGear Case Drain SealsOil Drain Seals
    Part Number:
    710-8M0097855
    Availability:
    In Stock - Ships same or next business day.
    Engine:
    75-115 HP FourStroke
    Interval:
    300 Hours
    $326.99 $288.99

Mercury FourStroke Outboard Maintenance Parts

When it comes to keeping your Mercury FourStroke outboard motor in top shape, regular maintenance is essential. PowerBoatSupply.com offers a range of premium products designed to keep these engines running smoothly, from oil and filters to spark plugs and more. Each product meets the rigorous demands of boaters and mechanics for reliable performance on the water.

Key Features at a Glance

  • OEM-Approved Products: Built to meet Mercury’s standards for quality and compatibility.
  • Wide Range of Maintenance Parts: From oil filters and gear lube to complete maintenance kits for routine servicing.
  • Ease of Use: Designed for easy installation, whether you’re replacing an oil filter or performing a full tune-up.
  • Performance Enhancements: Authentic Mercury parts help maintain fuel efficiency, performance, and engine longevity.

From prolonging the life of your motor to preventing costly repairs, the right FourStroke outboard maintenance parts make all the difference.

What Maintenance Does a FourStroke Outboard Need?

Routine maintenance tasks include oil and filter changes, spark plug replacements, and keeping the cooling system clean. Following the Mercury FourStroke maintenance schedule is crucial for preventing wear and maximizing fuel efficiency.

For example, replacing your oil filter regularly removes contaminants that can damage your engine. Using the recommended Mercury outboard oil and filters ensures clean, efficient operation. Inspecting the gear lube and propeller shaft also helps protect the drive system against corrosion and premature wear.

How Often Should I Change the Oil in a FourStroke Outboard?

According to Mercury’s schedule, oil changes should occur at least once a year or every 100 hours of operation—whichever comes first. In extreme conditions, such as saltwater use or prolonged high-speed operation, more frequent changes may be required.

Changing the oil involves draining the old oil, replacing the filter, and refilling with fresh oil. Always use products that meet your motor’s specifications for the best results.

Regular oil changes will:

  • Prevent engine wear
  • Promote smoother performance
  • Improve fuel efficiency

What FourStroke Outboard Parts Need to Be Replaced First?

Some parts wear out faster and should be replaced sooner. Commonly replaced Mercury FourStroke outboard parts include:

  • Oil and Filters: Replace every 100 hours to keep the engine clean and protected.
  • Spark Plugs: Worn plugs can cause misfires and poor performance. Replace if starting becomes difficult.
  • Water Pump Impeller: Prevent overheating by checking and replacing the impeller regularly.
  • Gear Lube: Protects the lower unit and should be checked every season or before long outings.

Using OEM-certified parts is critical for long-term engine health. Our FourStroke outboard maintenance parts meet Mercury’s exacting standards for durability and reliability.

Choose PowerBoatSupply.com for All Your FourStroke Maintenance Needs

Finding the right tools for FourStroke outboard maintenance is easy with PowerBoatSupply.com. Whether you need complete maintenance kits or specialty items like Mercury outboard paint, we have the products to keep your engine in peak condition.

Don’t wait until a minor issue becomes a major repair. Shop our wide selection of products for FourStroke outboard motors and keep your engine running smoothly for seasons to come. Looking for maintenance for other Mercury outboards? We have you covered with a full range of high-quality products.