FourStroke Outboard Maintenance
Find Your Maintenance Parts
Clear SelectionLOOKING FOR REPLACEMENT PARTS?
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OEM Mercury 300 Hour Maintenance Kit V8 (4.6 L) FourStroke CMS/SeaPro/ProXS 8M0149931
Mercury Marine / Quicksilver
$399.99 $353.49300 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 $353.49 -
OEM Mercury 300 Hour Maintenance Kit, V6 (3.4 L) FourStroke 8M0149930
Mercury Marine / Quicksilver
$416.49 $315.49300 Hour 4-Stroke Outboard Service Kit 8M0149930 is for Mercury V6 outboards (3.4L).- Part Number:
- 710-8M0149930
- Availability:
- In Stock - Ships same or next business day.
- Engine:
- V6 3.4 L FourStroke
- Interval:
- 300 Hours
$416.49 $315.49 -
Quicksilver/Mercury V6 & V8 175-225 HP/250-300 HP SAE 10W-30 Oil Change Kit 8M0169548
Mercury Marine / Quicksilver
$109.99 $103.19Resists 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 Marine / Quicksilver
$36.99 $32.49100 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 $32.49 -
OEM Mercury 3.4L V6 and 4.6L V8 4-Stroke Outboards Thermostat 140 Degree 8M0137816 8M0162139
Mercury Marine / Quicksilver
$134.99 $115.99Thermostat 8M0162139 is for 175-300hp and 450R 3.4L V6 and 4.6L V8 4-stroke outboards (serial No. 2B529482 & above). It is a 140°F thermostat. Thermostat only. Additional seals or gaskets may be required. See your owner's manual or service manual...- Part Number:
- 710-8M0162139
- Availability:
- In Stock - Ships same or next business day.
$134.99 $115.99 -
OEM Mercury 75/90/115 HP EFI 4- Stroke Outboard Oil Change Kit SAE 25W-40 8M0081917
Mercury Marine / Quicksilver
$104.99 $91.18For 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 150 HP FourStroke 8M0094233
Mercury Marine / Quicksilver
$371.49 $328.49For 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 $328.49 -
OEM Quicksilver/Mercury Alpha Gen 2 & O/B Impeller 47-43026T 2
Mercury Marine / Quicksilver
$34.99 $29.99OEM 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:
- 710-47-43026T2
- Availability:
- In Stock - Ships same or next business day.
$34.99 $29.99 -
OEM Mercury Marine In-Line Fuel Filter 35-879885K
Mercury Marine / Quicksilver
$21.49 $18.49OEM 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 100 Hour Maintenance Kit L6 Verado 2B144123 & above 8M0120657
Mercury Marine / Quicksilver
$76.49 $67.49For 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 $67.49 -
OEM Mercury Marine All-in-One Spotless Shine Premium Water-Spot Remover & Detailer 32 oz 92-8M0170557
Mercury Marine / Quicksilver
$27.99 $25.99OEM Mercury - All In One Spotless Shine Detailer & Water Spot Remover 92-8M0170557 Removes mineral deposits, freshwater spots and saltwater spots from gel coat, fiberglass, plastic, chrome, glass, and all painted surfaces on cowlings, boats,...- Part Number:
- 710-92-8M0170557
- Availability:
- In Stock - Ships same or next business day.
$27.99 $25.99 -
Mercury 100 Hour Maintenance Kit 150 HP FourStroke EFI 8M0094232
Mercury Marine / Quicksilver
$44.99 $39.49100 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 $39.49 -
OEM Mercury / MerCruiser Oil Filter Outboard Four Stroke Verado L4 35-877767K01
Mercury Marine / Quicksilver
$21.99 $18.49OEM MerCruiser Oil Filter O/B Verado L4 35-877767K01 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:
- 710-35-877767K01
- Availability:
- In Stock - Ships same or next business day.
$21.99 $18.49 -
OEM Quicksilver/Mercury 3.0/4.0 Cycle O/B Water Pump Repair Kit 46-8M0113799
Mercury Marine / Quicksilver
$218.49 $186.99OEM 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...- Part Number:
- 710-46-8M0113799
- Availability:
- In Stock - Ships same or next business day.
$218.49 $186.99 -
OEM MerCruiser Trim Tab Anode 17264T 2
Mercury Marine / Quicksilver
$31.58 $26.99MerCruiser 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:
- 710-17264T2
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Trim Tab
- Material:
- Aluminum
$31.58 $26.99 -
OEM Mercury 100 Hour Maintenance Kit 350 / 400 HP V10 FourStroke 8M0207807
Mercury Marine / Quicksilver
$64.08 $54.49OEM Mercury 100 Hour Maintenance Kit 350 / 400 HP V10 FourStroke 8M0207807- Part Number:
- 710-8M0207807
- Availability:
- In Stock - Ships same or next business day.
$64.08 $54.49 -
OEM Quicksilver Mercury Verado Water Pump Kit 817275A09
Mercury Marine / Quicksilver
$129.49 $110.99OEM 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
$129.49 $110.99 -
Mercury 300 Hour Maintenance Kit 75-115 HP (1.7 L) FourStroke 300 Hours 1B366823-2B094995 8M0097857
Mercury Marine / Quicksilver
$408.99 $361.49For use with 75 hp thru 115 hp 1.7L EFI FourStroke outboards. Kit Includes: Oil FilterFuel Filter, Low PressureThermostatThermostat GasketsSpark Plugs x (4)Water Pump Impeller KitAlternator BeltPower Trim AnodeLower Unit AnodeGear Case Drain SealsOil...- Part Number:
- 710-8M0097857
- Availability:
- In Stock - Ships same or next business day.
- Engine:
- 75-115 HP FourStroke
- Interval:
- 300 Hours
$408.99 $361.49 -
Mercury 100 Hour Maintenance Kit 75-115 HP 1.7 L FourStroke 1B366823 - 2B094995 8M0097856
Mercury Marine / Quicksilver
$45.49 $39.99100 hour outboard service kit is for 75 hp through 115 hp, 1.7L Mercury 4-stroke outboards (s/n 1B366823 through 2B094995). Kit Contains: 1 Oil Filter1 In-line Fuel Filter2 Gearcase Drain Seals1 Oil Drain Seal- Part Number:
- 710-8M0097856
- Availability:
- In Stock - Ships same or next business day.
- Engine:
- 75-115 HP 1.7L FourStroke
- Interval:
- 100 Hours
$45.49 $39.99 -
NGK Spark Plugs 6499 Spark Plug LFR4AE Mercury 8m0157328
NGK Spark Plugs
$11.79 $6.72NGK 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
- What's in the Box:
- (1) Spark Plug
$11.79 $6.72
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.