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FourStroke Outboard Maintenance

FourStroke Outboard Maintenance

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  • OEM Mercury 300 Hour Maintenance Kit V8 (4.6 L) FourStroke CMS/SeaPro/ProXS 8M0149931

    OEM Mercury 300 Hour Maintenance Kit V8 (4.6 L) FourStroke CMS/SeaPro/ProXS 8M0149931

    Mercury Marine / Quicksilver

    $399.99 $339.99
    300 Hour 4-Stroke Outboard Service Kit 8M0149931 is for Mercury V8 (4.6L) CMS (Conventional Mid Section) SeaPro and ProXS 4-Stroke outboards. Kit Includes: Oil FilterFuel Filter, High PressureThermostatSpark Plugs x (8)Water Pump Repair KitAlternator...
    Part Number:
    710-8M0149931
    Availability:
    In Stock - Ships same or next business day.
    Engine:
    V8 4.6 L CMS/SeaPro & ProXS FourStroke
    Interval:
    300 Hours
    $399.99 $339.99
  • Quicksilver/Mercury V6 & V8 175-225 HP/250-300 HP SAE 10W-30 Oil Change Kit 8M0169548

    Quicksilver/Mercury V6 & V8 175-225 HP/250-300 HP SAE 10W-30 Oil Change Kit 8M0169548

    Mercury Marine / Quicksilver

    $109.99 $103.19
    Resists oxidation Corrosion protection Protects against varnish buildup and sludge formation Exceeds the rust protection requirements for NMMA certification Benefits: Provides outstanding wear and corrosion protection to help extend engine life Meets or...
    Part Number:
    710-8M0169548
    Availability:
    Same Or Next Business Day
    Weight:
    10W-30
    Grade:
    Standard
    Engine:
    175-300 HP V6 & V8 FourStroke
    $109.99 $103.19
  • Mercury 100 Hour Maintenance Kit 75-115 HP 2.1 L FourStroke 2B094996 & Up 8M0097854

    Mercury 100 Hour Maintenance Kit 75-115 HP 2.1 L FourStroke 2B094996 & Up 8M0097854

    Mercury Marine / Quicksilver

    $36.99 $31.49
    100 hour outboard maintenance kit is for 75 hp through 115 hp, 2.1L Mercury 4-stroke EFI outboards (s/n 2B094996 and up).  Kit Contains: 1 Oil Filter1 In-line Fuel Filter2 Gearcase Drain Seals
    Part Number:
    710-8M0097854
    Availability:
    In Stock - Ships same or next business day.
    Engine:
    75-115 HP 2.1L FourStroke
    Interval:
    100 Hours
    $36.99 $31.49
  • OEM Mercury 75/90/115 HP EFI  4- Stroke Outboard Oil Change Kit  SAE 25W-40 8M0081917

    OEM Mercury 75/90/115 HP EFI 4- Stroke Outboard Oil Change Kit SAE 25W-40 8M0081917

    Mercury Marine / Quicksilver

    $104.99 $91.18
    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:
    710-8M0081917
    Availability:
    In Stock - Ships same or next business day.
    Weight:
    25W-40
    Grade:
    Standard
    Engine:
    75/90/115 HP FourStroke EFI
    $104.99 $91.18
  • 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 $277.99
    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 $277.99
  • OEM Quicksilver/Mercury Alpha Gen 2 & O/B Impeller 47-43026T 2

    OEM Quicksilver/Mercury Alpha Gen 2 & O/B Impeller 47-43026T 2

    Mercury Marine / Quicksilver

    $34.99 $29.99
    OEM Quicksilver/Mercury Alpha Gen 2 & O/B Impeller  47-43026T 2 For Mercury Optimax 75 hp through 115 hp outboards and Mercury 4-stroke 75 hp through 15 hp outboards. See your owner’s manual for replacement schedule
    Part Number:
    710-47-43026T 2
    Availability:
    In Stock - Ships same or next business day.
    $34.99 $29.99
  • Mercury 100 Hour Maintenance Kit L6 Verado 2B144123 & above 8M0120657

    Mercury 100 Hour Maintenance Kit L6 Verado 2B144123 & above 8M0120657

    Mercury Marine / Quicksilver

    $76.49 $64.99
    For use on 200 hp thru 350 hp L6 Verado EFI FourStrokes outboards serial number 2B144123 and above Kit Contains: 1 Oil Filter1 Water Separating Fuel Filter2 Gearcase Drain Seals1 Oil Drain Seal
    Part Number:
    710-8M0120657
    Availability:
    In Stock - Ships same or next business day.
    Engine:
    200-300 HP 2.6L L6 Verado
    Interval:
    100 Hours
    $76.49 $64.99
  • OEM Mercury Marine In-Line Fuel Filter 35-879885K

    OEM Mercury Marine In-Line Fuel Filter 35-879885K

    Mercury Marine / Quicksilver

    $21.49 $18.49
    OEM MerCruiser Fuel Filter 35-879885K Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold and priced EACH
    Part Number:
    710-35-879885K
    Availability:
    In Stock - Ships same or next business day.
    $21.49 $18.49
  • Mercury 300 Hour Maintenance Kit  150 HP FourStroke  8M0094233

    Mercury 300 Hour Maintenance Kit 150 HP FourStroke 8M0094233

    Mercury Marine / Quicksilver

    $371.49 $322.07
    For use on 150 hp EFI FourStroke outboards Kit Includes: Oil FilterFuel Filter, Low PressureThermostatThermostat GasketsAlternator BeltSpark Plugs x (4)Water Pump Impeller KitPower Trim AnodeLower Unit AnodeGear Case Drain SealsOil Drain Seals
    Part Number:
    710-8M0094233
    Availability:
    In Stock - Ships same or next business day.
    Engine:
    150 HP EFI FourStroke
    Interval:
    300 Hours
    $371.49 $322.07
  • Mercury 100 Hour Maintenance Kit 150 HP FourStroke EFI 8M0094232

    Mercury 100 Hour Maintenance Kit 150 HP FourStroke EFI 8M0094232

    Mercury Marine / Quicksilver

    $44.99 $37.99
    100 hour EFI outboard Maintenance kit is for 150 hp Mercury 4-stroke EFI outboards.   Kit Contains: 1 Oil Filter1 Low Pressure Fuel Filter2 Gearcase Drain Seals
    Part Number:
    710-8M0094232
    Availability:
    In Stock - Ships same or next business day.
    Engine:
    150 HP 3.0L EFI FourStroke
    Interval:
    100 Hours
    $44.99 $37.99
  • OEM Quicksilver/Mercury 3.0/4.0 Cycle O/B Water Pump Repair Kit  46-8M0113799

    OEM Quicksilver/Mercury 3.0/4.0 Cycle O/B Water Pump Repair Kit 46-8M0113799

    Mercury Marine / Quicksilver

    $209.99 $179.99
    OEM Quicksilver/Mecury 3.0/4.0 Cycle O/B Water Pump Repair Kit  46-8M0113799 Water pump repair kit 8M0113799 is for Mercury or Mariner 40 hp through 125 hp 4-stroke outboards. The kit includes water pump impeller, upper and lower housing, drive key,...
    Part Number:
    710-46-8M0113799
    Availability:
    In Stock - Ships same or next business day.
    $209.99 $179.99
  • NGK Spark Plugs 6499 Spark Plug LFR4AE Mercury 8m0157328

    NGK Spark Plugs 6499 Spark Plug LFR4AE Mercury 8m0157328

    NGK Spark Plugs

    $11.79 $6.72
    NGK Spark Plugs 6499 Spark Plug LFR4AE Mercury 8m0157328 Chosen by more automotive, and marine engine manufacturers than any other. The unique copper core and exclusive electrode design assure fast starts, peak performance and long life. •?Triple...
    Part Number:
    41-6499
    Availability:
    In Stock - Ships same or next business day.
    Model #:
    6499
    $11.79 $6.72
  • OEM Quicksilver Mercury Verado Water Pump Kit  817275A09

    OEM Quicksilver Mercury Verado Water Pump Kit 817275A09

    Mercury Marine / Quicksilver

    $124.49 $106.99
    OEM Quicksilver/Mercury Verado Water Pump Kit  817275A09 Water pump repair kit 812275A09 is for 135 hp through 200 hp, 4-cylinder Mercury Verado outboards (serial number 1B311420 and above). The kit includes water impeller, upper and lower...
    Part Number:
    710-817275A09
    Availability:
    In Stock - Ships same or next business day.
    Application:
    Verado 4.8 Torpedo L6 & L4 models with the original gearcase
    $124.49 $106.99
  • OEM MerCruiser Trim Tab Anode 17264T 2

    OEM MerCruiser Trim Tab Anode 17264T 2

    Mercury Marine / Quicksilver

    $31.58 $26.99
    MerCruiser Trim Tab Anode 17264T 2 Aluminum anode 17264T2 is for various Mercury, Mariner and Force outboards. See your owner's manual or service manual for specific application and installation instructions. Anode design moves the trim tab further...
    Part Number:
    710-17264T 2
    Availability:
    In Stock - Ships same or next business day.
    Application:
    Trim Tab
    Material:
    Aluminum
    $31.58 $26.99
  • OEM Quicksilver/Mercury Water Pump Repair Kit 853792A07  8M0208905

    OEM Quicksilver/Mercury Water Pump Repair Kit 853792A07 8M0208905

    Mercury Marine / Quicksilver

    $89.49 $76.99
    OEM Quicksilver/Mercury Water Pump Repair Kit  853792A07 8M0208905 Water pump repair kit 8M0208905 is for Mercury or Mariner 25 hp through 30 hp 4-stroke outboards. The kit includes water impeller, pump housing, face plate, gaskets, seals...
    Part Number:
    710-8M0208905
    Availability:
    In Stock - Ships same or next business day.
    $89.49 $76.99
  • Mercury 300 Hour Maintenance Kit, 15 and 20 HP FourStroke EFI 0R833820 and above 8M0151470

    Mercury 300 Hour Maintenance Kit, 15 and 20 HP FourStroke EFI 0R833820 and above 8M0151470

    Mercury Marine / Quicksilver

    $283.49 $240.99
    300 Hour 4-Stroke EFI Outboard Service Kit is for 15 hp and 20 hp Mercury 4-stroke EFI outboards. Kit Includes:Oil FilterFuel Filter, Low pressureThermostatThermostat GasketsSpark Plugs x (3)Water Pump Impeller KitLower Unit AnodeGear Case Drain SealsOil...
    Part Number:
    710-8M0151470
    Availability:
    See Special Order Details
    Engine:
    15/20 EFI FourStroke
    Interval:
    300 Hours
    $283.49 $240.99

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 specifically designed to keep these engines running smoothly, from oil and filters to spark plugs and more. These items are crafted to meet the rigorous demands of boaters and mechanics for reliable performance on the water.  

Key Features at a Glance: 

  • OEM-Approved Products: Each item is built to meet Mercury’s standards for quality and compatibility. 
  • Wide Range of Maintenance Parts: Everything from oil filters and gear lube to complete maintenance kits for routine servicing. 
  • Ease of Use: These products are designed for easy installation, whether you’re replacing your motor's oil filter or performing a full tune-up. 
  • Performance Enhancements: Using authentic Mercury parts helps maintain optimal 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? 

Want to know how to do maintenance on a FourStroke outboard motor? Routine maintenance tasks include oil and filter changes, replacing spark plugs, and keeping the cooling system clean. Following the Mercury FourStroke maintenance schedule is crucial for preventing engine wear and tear, while also maximizing fuel efficiency. 

For example, replacing your oil filter regularly helps remove contaminants and debris that could cause engine damage. Using the recommended Mercury outboard oil and filters guarantees your engine runs cleanly and at peak efficiency. Also, inspecting the gear lube and propeller shaft protects your motor’s drive system against corrosion and premature wear.  

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

According to Mercury’s maintenance schedule, oil changes should happen at least once a year or every 100 hours of operation, whichever comes first. However, in extreme conditions—such as boating in saltwater or when running at high speeds for long periods—you may need to change it more frequently. 

The process involves draining the old oil, replacing the filter, and refilling with fresh oil. This is where quality products come in handy. When choosing oil filters and oils, be sure to use products that match your motor’s specifications for the best results.  

Changing the oil at regular intervals will: 

  • Prevent engine wear 
  • Promote smoother performance 
  • Help with fuel efficiency 

What FourStroke Outboard Parts Need to Be Replaced First? 

Some parts of a Mercury FourStroke motor wear out faster than others and will need to be replaced sooner. Commonly, boat owners will first replace the following:

  • Oil and Filters: Your motor's lifeblood, these should be replaced every 100 hours. 
  • Spark Plugs: Worn-out plugs can cause misfires and poor engine performance. These should be checked and replaced if necessary, especially if you notice difficulty starting the motor. 
  • Water Pump Impeller: If your water pump fails, your engine could overheat. Checking and replacing the impeller regularly helps prevent that. 
  • Gear Lube: This protects your motor’s lower unit and should be checked every season or before long outings. 

Using OEM-certified parts is critical for your engine’s long-term health. Our FourStroke outboard maintenance parts meet Mercury’s exacting standards, which means you’re getting the same durability and reliability as the parts that came with your motor originally. 

Choose PowerBoatSupply.com for All Your FourStroke Maintenance Needs 

Finding the right tools for FourStroke outboard maintenance is easy with PowerBoatSupply.com. Whether you’re looking for outboard maintenance kits for comprehensive servicing or specialty items like Mercury outboard paint, we have the products you need 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 outboard motors? We have you covered with a full range of high-quality products.