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Home > Outboard > Mercury Outboard

Mercury Outboard Parts

Shop OEM and aftermarket Mercury outboard parts for maintenance, repair, troubleshooting, and complete engine rebuild projects. Browse Mercury marine parts by system, including cooling, fuel delivery, electrical and ignition, internal engine components, lower unit parts, steering, trim, and routine service items.

Pro Marine USA carries Mercury outboard engine parts for a wide range of 2-stroke, FourStroke, EFI, Optimax, Pro XS, SeaPro, and Verado applications. Use your engine horsepower, model, serial number, or OEM part number whenever possible to confirm fitment before ordering.

Shop Mercury Outboard Parts by System

Find the Correct Mercury Outboard Part

Mercury outboard parts can vary by horsepower, engine family, model year, and serial number range. If you are unsure which component fits your engine, use the OEM parts lookup to locate the original Mercury part number from an engine diagram.

Once you have the OEM part number, search Pro Marine to find available genuine Mercury and aftermarket replacement options.

Use Our OEM Parts Lookup »

Common Mercury Outboard Engine Families

Pro Marine supports many Mercury outboard applications across a wide horsepower range. Always confirm the engine serial number and model information before ordering parts.

Portable and Midrange: Mercury 2.5HP through 60HP 2-stroke and FourStroke applications
FourStroke and EFI: common 75HP through 300HP Mercury EFI and FourStroke platforms
Pro XS: performance-oriented Mercury Pro XS outboards across multiple engine families
Optimax: direct-injected 2-stroke Mercury Optimax engines, commonly 75HP through 250HP
Verado: supercharged and naturally aspirated Mercury Verado applications from 135HP through current high-horsepower platforms
SeaPro: commercial-duty Mercury SeaPro outboards used in professional and high-hour applications

Common Mercury Outboard Repair Areas

Overheating: inspect the water pump, impeller, thermostat, poppet valve, cooling passages, and related cooling components.
Hard starting or rough running: inspect fuel pumps, filters, injectors or carburetors, spark plugs, coils, sensors, and intake components.
No spark or intermittent ignition: check ignition coils, stators, switch boxes, trigger assemblies, sensors, grounds, and wiring.
Low compression or power loss: inspect pistons, rings, cylinders, bearings, gaskets, reeds, and internal engine components.
Lower unit noise or water intrusion: inspect seals, bearings, gears, shafts, bearing carriers, and gear lube condition.
Trim or steering problems: inspect trim motors, pumps, hydraulic components, steering cylinders, hoses, and related rigging parts.

Why Buy Mercury Outboard Parts from Pro Marine USA?

OEM Mercury and aftermarket replacement options for many common applications.
Parts for maintenance, repair, engine rebuilding, lower units, electrical systems, fuel systems, steering, trim, and rigging.
OEM diagram and part-number lookup tools to help identify the correct part before ordering.
Dealer pricing available for qualified marine repair businesses and dealers.
Large inventory of Mercury service parts and hard-to-find marine engine components.
Fast weekday shipping on qualifying in-stock orders.

Frequently Asked Questions

How do I find the correct Mercury outboard part?

Use the engine horsepower, model, serial number, and year whenever available. Mercury frequently uses serial-number ranges to identify engine families, so the serial number is often the most reliable way to confirm fitment.

Can I search Mercury parts by OEM part number?

Yes. Enter the Mercury OEM part number into the Pro Marine site search to locate available OEM and aftermarket replacement options. If you do not know the part number, use the OEM parts lookup first.

Do Mercury outboard parts vary by serial number?

Yes. Many Mercury components change by serial-number range even within the same horsepower or model family. Always compare the serial range listed for the part with your engine before ordering.

Do you carry parts for Mercury Optimax and Verado engines?

Yes. Pro Marine carries parts for many Mercury Optimax, Verado, Pro XS, EFI, FourStroke, and SeaPro applications, including maintenance, fuel, electrical, cooling, internal engine, lower unit, steering, and rigging components.

Do you carry both OEM and aftermarket Mercury parts?

Yes. Pro Marine offers genuine Mercury parts along with aftermarket replacement parts for many common Mercury outboard maintenance, repair, and rebuild applications.

What Mercury outboard parts are commonly replaced during routine maintenance?

Common maintenance items include engine oil, oil filters, fuel filters, spark plugs, water pump kits, impellers, thermostats, gear lube, drain plug seals, anodes, and manufacturer-specific service kit components.

Fitment Tip: Mercury outboard parts often vary by serial-number range. Confirm your engine serial number and OEM part number whenever possible before ordering.

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Mercury 75-115HP 2.1L Serial 2B094996-Present 100 Hour Service Kit

OEM 8M0097854 Kit Engine Oil and Gear Lube Sold Separately

OEM Mercury 75-115HP 2.1L 100 Hour Service Kit

Mercury 75-115HP 2.1L EFI 100 Hour Kit - Serial 2B094996-Present

The Mercury 8M0097854 100 hour service kit is designed for Mercury 75HP, 90HP, and 115HP 2.1L FourStroke EFI outboards with serial numbers 2B094996 and higher.

This OEM Mercury maintenance kit includes the routine 100 hour service components commonly replaced during scheduled maintenance. This version does not include engine oil or gear lube.

Compatible Applications

Brand	Horsepower	Engine Type	Serial Range
Mercury	75HP, 90HP, 115HP	2.1L FourStroke EFI Outboard	2B094996 & Higher

Important Fitment Note:

This 100 hour service kit is for Mercury 75HP, 90HP, and 115HP 2.1L FourStroke EFI outboards with serial numbers 2B094996 and higher.

Always verify your engine serial number before ordering maintenance parts.

What is Included

Included Component	Application
Oil Filter	Engine oil filtration service
Fuel Filter	Fuel system maintenance
Gearcase Drain Seal	Gearcase lubricant service

Oil Capacity & Recommended Oil Options

Engine Oil Quantity:

These Mercury 75-115HP 2.1L engines use approximately 6 quarts of engine oil, or 1 gallon plus 2 quarts.

This kit does not include engine oil.

Oil Type	Product	Quantity Required
Mercury 10W30	Mercury 10W30 Engine Oil - Quart	6 quarts
Mercury 10W30	Mercury 10W30 Engine Oil - Gallon	1 gallon + 2 quarts
Mercury 10W30 Synthetic Blend	Mercury 10W30 Synthetic Blend - Quart	6 quarts
Mercury 10W30 Synthetic Blend	Mercury 10W30 Synthetic Blend - Gallon	1 gallon + 2 quarts
Mercury 10W30 Full Synthetic	Mercury 10W30 Full Synthetic - Gallon	1 gallon + 2 quarts
Mercury 25W40	Mercury 25W40 Engine Oil - Quart	6 quarts
Mercury 25W40 Synthetic Blend	Mercury 25W40 Synthetic Blend - Quart	6 quarts
Mercury 25W40 Synthetic Blend	Mercury 25W40 Synthetic Blend - Gallon	1 gallon + 2 quarts

Gear Lube Recommendations

Gear Lube Quantity:

This service requires approximately 1 quart of gear lube.

This kit does not include gear lube.

Gear Lube Type	Product	Quantity Required
Mercury Premium Gear Lube 80W90	Mercury Premium Gear Lube - Quart	1 quart
Mercury High Performance Gear Lube	Mercury High Performance Gear Lube - Quart	1 quart

Want the Complete Kit With Oil & Gear Lube?

100 Hour Kit With 10W30 Oil & Gear Lube

The complete Mercury maintenance kit with 10W30 engine oil and gear lube is available separately for customers who want a complete service package.

View Kit With Oil & Gear Lube

Complete Your Service

What This Service Kit is Used For

The Mercury 8M0097854 service kit is used for routine 100 hour maintenance on compatible Mercury 75-115HP 2.1L FourStroke EFI outboards with serial numbers 2B094996 and higher.

Routine service helps support fuel system cleanliness, oil filtration, gearcase lubricant service, and long-term engine reliability.

Key Features and Benefits

OEM Mercury 100 hour service kit
Fits Mercury 75HP, 90HP, and 115HP 2.1L FourStroke EFI outboards
For serial numbers 2B094996 and higher
Includes oil filter, fuel filter, and gearcase drain seal
Does not include engine oil or gear lube
Compatible with Mercury 10W30 and 25W40 oils
Supports routine 100 hour maintenance intervals

Service Kit Details

Part Number: 8M0097854
Application: Mercury 75-115HP 2.1L FourStroke EFI Outboards
Serial Range: 2B094996 & Higher
Service Interval: 100 Hour Maintenance
Oil Included: No
Gear Lube Included: No
Oil Capacity: Approximately 6 quarts, or 1 gallon plus 2 quarts
Gear Lube Quantity: Approximately 1 quart

FAQ

What engines does this service kit fit?
This kit fits Mercury 75HP, 90HP, and 115HP 2.1L FourStroke EFI outboards with serial numbers 2B094996 and higher.

Does this kit include engine oil?
No. Engine oil is sold separately.

Does this kit include gear lube?
No. Gear lube is sold separately.

How much engine oil does the engine use?
Approximately 6 quarts, or 1 gallon plus 2 quarts.

How much gear lube is required?
Approximately 1 quart of gear lube is required.

Is there a version with oil and gear lube included?
Yes. A complete kit with 10W30 oil and gear lube is linked above.

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.

Apply for a Dealer Account

Shipping Policy

Free shipping on orders over $100 continental U.S.
Orders ship via UPS, USPS, and FedEx.
Orders received before 5:30 PM EST ship the same business day.
Typical delivery time is 1-5 business days.

30-Day Return Policy

Returns accepted within 30 days of delivery.
Maintenance kits must be new, unused, and in original packaging.
Opened oil and lubricants may not be returnable.
Return authorization is required before sending items back.

Need help with a return or order question?
Contact Us
Phone: 941-721-3000

Searchable Terms

8M0097854, Mercury 75HP 2.1L service kit, Mercury 90HP 2.1L service kit, Mercury 115HP 2.1L service kit, Mercury 2.1L FourStroke maintenance kit, Mercury serial 2B094996, Mercury EFI maintenance, Mercury 100 hour service, Mercury oil filter, Mercury fuel filter, Mercury gearcase drain seal, Mercury 10W30 oil, Mercury 25W40 oil, Mercury Premium Gear Lube, Mercury High Performance Gear Lube, 6068K, 6249K, 8M0107549

Item#:

8M0097854

Cross Reference#:

8M0097854

Manufacturer Item:

8M0097854

Manufacturer:

Mercury Marine

Available:

In Stock

Your Price:

38.49

Each

Qty:

Mercury 75-115HP 1.7L for Serial 1B366823-2B094995 300 Hour Service Kit

OEM 8M0097857 Kit Engine Oil & Gear Lube Sold Separately

OEM Mercury 75-115HP 1.7L 300 Hour Service Kit

Mercury 75-115HP 1.7L FourStroke 300 Hour Kit - Serial 1B366823-2B094995

The Mercury 8M0097857 300 hour service kit is designed for Mercury 75HP, 90HP, and 115HP 1.7L FourStroke outboards with serial numbers 1B366823 through 2B094995.

This OEM Mercury maintenance kit includes the major components commonly replaced during scheduled 300 hour maintenance intervals. This version does not include engine oil or gear lube.