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OEM Mercury 150HP EFI 300 Hour Service Kit
Mercury 150HP FourStroke EFI 300 Hour Kit - Serial 1B905505-Present
The Mercury 8M0094233 300 hour service kit is designed for Mercury 150HP FourStroke EFI outboards with serial numbers 1B905505 and higher.
This complete OEM Mercury maintenance kit includes the major components commonly replaced during scheduled 300 hour service intervals. This version does not include engine oil or gear lube.
Compatible Applications
| Brand | Horsepower | Engine Type | Serial Range |
|---|---|---|---|
| Mercury | 150HP | FourStroke EFI Outboard | 1B905505 & Higher |
This service kit is designed for Mercury 150HP FourStroke EFI outboards with serial numbers 1B905505 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 Filters | Fuel system maintenance |
| Gearcase Drain Seals | Gearcase lubricant service |
| Spark Plugs (4) | Ignition system maintenance |
| Thermostat Kit | Cooling system maintenance |
| Water Pump Impeller Kit | Water pump service |
| Alternator Belt | Charging system maintenance |
| Anodes | Corrosion protection |
Oil Capacity & Recommended Oil Options
This Mercury 150HP EFI engine uses approximately 7 quarts of engine oil, or 1 gallon plus 3 quarts.
This kit does not include engine oil.
| Oil Type | Product | Quantity Required |
|---|---|---|
| Mercury 10W30 | Mercury 10W30 Engine Oil - Quart | 7 quarts |
| Mercury 10W30 | Mercury 10W30 Engine Oil - Gallon | 1 gallon + 3 quarts |
| Mercury 10W30 Synthetic Blend | Mercury 10W30 Synthetic Blend - Quart | 7 quarts |
| Mercury 10W30 Synthetic Blend | Mercury 10W30 Synthetic Blend - Gallon | 1 gallon + 3 quarts |
| Mercury 10W30 Full Synthetic | Mercury 10W30 Full Synthetic - Gallon | 1 gallon + 3 quarts |
| Mercury 25W40 | Mercury 25W40 Engine Oil - Quart | 7 quarts |
| Mercury 25W40 Synthetic Blend | Mercury 25W40 Synthetic Blend - Quart | 7 quarts |
| Mercury 25W40 Synthetic Blend | Mercury 25W40 Synthetic Blend - Gallon | 1 gallon + 3 quarts |
Gear Lube Recommendations
This service requires approximately 1 quart of gear lube.
Mercury High Performance Gear Lube and Mercury Premium Gear Lube are both compatible options depending on your application and operating conditions.
| Gear Lube Type | Product | Quantity Required |
|---|---|---|
| Mercury High Performance Gear Lube | Mercury High Performance Gear Lube - Quart | 1 quart |
| Mercury Premium Gear Lube 80W90 | Mercury Premium Gear Lube - Quart | 1 quart |
Complete Your Service
300 Hour Kit With Oil & Gear Lube
Complete Mercury 300 hour kit with 10W30 oil and gear lube included.
View Product
Mercury Aluminum Anode Kit
OEM Mercury aluminum anode kit for corrosion protection on compatible 150HP EFI outboards.
View ProductWhat This Service Kit is Used For
The Mercury 8M0094233 service kit is used for major 300 hour maintenance on compatible Mercury 150HP FourStroke EFI outboards.
This service interval typically includes ignition system maintenance, cooling system service, water pump service, corrosion protection, oil filtration, and fuel system maintenance.
Key Features and Benefits
- OEM Mercury 300 hour service kit
- Fits Mercury 150HP FourStroke EFI outboards
- For serial numbers 1B905505 and higher
- Includes spark plugs, thermostat kit, impeller kit, and anodes
- Premium Mercury oil and fuel filters
- Heavy-duty corrosion-resistant filter housings
- Does not include oil or gear lube
- Compatible with Mercury 10W30 and 25W40 oils
Service Kit Details
- Part Number: 8M0094233
- Application: Mercury 150HP FourStroke EFI Outboards
- Serial Range: 1B905505 & Higher
- Service Interval: 300 Hour Maintenance
- Oil Included: No
- Gear Lube Included: No
- Oil Capacity: Approximately 7 quarts
- Gear Lube Capacity: Approximately 1 quart
FAQ
What engines does this service kit fit?
This kit fits Mercury 150HP FourStroke EFI outboards with serial numbers 1B905505 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 this engine use?
Approximately 7 quarts, or 1 gallon plus 3 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. The Mercury 8M0094233-L service kit includes 10W30 oil and gear lube.
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.
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
8M0094233, Mercury 150HP 300 hour kit, Mercury 150HP EFI service kit, Mercury FourStroke maintenance kit, Mercury 150HP serial 1B905505, Mercury spark plug kit, Mercury thermostat kit, Mercury impeller kit, Mercury alternator belt, Mercury anode kit, Mercury Premium Gear Lube, Mercury High Performance Gear Lube, 8M0094233-L, 8M0107549
8M2014176
884410
896880
8329521
83295210
83295211
83295212
OEM Mercury & MerCruiser Oil Drain Plug Seal
Mercury MerCruiser Oil Drain Plug O-Ring 863006
The Mercury MerCruiser 863006 Oil Drain Plug O-Ring is an OEM replacement seal used across a wide range of Mercury outboards, Verado engines, MerCruiser sterndrives, and inboard marine engines.
This O-ring seals the oil drain plug assembly and helps prevent oil leaks during operation and after routine oil service.
Fitment Overview
OEM part number 863006 is used across numerous Mercury and MerCruiser oil drain plug applications. Unlike the drain plug assembly itself, this seal is shared across multiple engine families and marine platforms.
This includes Mercury EFI outboards, Verado engines, V6/V8/V10 outboards, MerCruiser sterndrive engines, and select inboard marine engines.
Compatibility
| Application | Models / Engine Families |
|---|---|
| Mercury EFI 4-Stroke Outboards | 65HP through 150HP EFI models |
| Mercury V6 Outboards | 3.4L V6 175HP and 200HP |
| Mercury V8 Outboards | 4.6L V8 200HP through 300HP |
| Mercury V10 Outboards | 350HP 400HP 425HP models |
| Mercury Racing | 300R 450R 500R Verado applications |
| MerCruiser Sterndrive Engines | Multiple GM-based marine engine platforms |
| MerCruiser Inboard Engines | Select inboard oil drain plug applications |
Always verify fitment using your engine serial number or existing part number before ordering.
Associated Oil Drain Plug Assemblies
In those cases, replacing the complete drain plug assembly is recommended:
View Mercury 8M0112869 Oil Drain Plug Assembly
Part Numbers and Cross References
| Type | Part Number |
|---|---|
| Mercury OEM | 863006 |
| Associated Drain Plug Assembly | 8M0112869 |
| Related Drain Plug Assemblies | 8M0064964, 8M0045813 |
What This O-Ring Is Used For
This O-ring seals the oil drain plug assembly to prevent oil leaks and seepage. Over time, heat cycles, oil exposure, and repeated removal during oil changes can flatten or damage the seal.
- Seals engine oil drain plug assemblies
- Helps prevent oil leaks after service
- OEM Mercury and MerCruiser replacement seal
- Often replaced during routine oil maintenance
Replacing the O-ring during oil service is often the easiest and most affordable way to prevent future leaks.
System Function and Connections
- System Type: Engine lubrication / oil drain system
- Component Type: Oil drain plug O-ring seal
- Associated Components: Oil drain plug assemblies and oil pan drain systems
- Location: Oil drain plug sealing surface
FAQ
What does the 863006 O-ring fit?
It fits many Mercury and MerCruiser oil drain plug applications including EFI outboards,
Verado engines, V6/V8/V10 outboards, and select sterndrive and inboard engines.
Can I replace just the O-ring instead of the entire drain plug assembly?
Yes. If the drain plug assembly itself is still in good condition and only the seal is leaking,
replacing the O-ring is often the simplest repair.
When should I replace the full drain plug assembly?
Replace the entire assembly if the plug is cracked, stripped, damaged,
or leaking around the plug body itself.
What drain plug assembly commonly uses this O-ring?
One common associated assembly is the Mercury
8M0112869 Oil Drain Plug Assembly
.
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.
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.
- Items must be new, unused, and in original packaging.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Part Numbers
863006, Mercury oil drain plug o-ring, Mercury oil plug seal, MerCruiser oil drain seal, Mercury Verado oil plug o-ring, Mercury V6 oil seal, Mercury V8 oil drain plug seal, Mercury V10 oil plug seal, 8M0112869, Mercury oil drain plug gasket
899185
Mercury Fuel Module Seal
Mercury 75-115 EFI / Verado 135-300 Fuel Pump Seal 880596510
This OEM Mercury seal is used in Mercury fuel supply module applications that use lift pump kit 880596T58. It is the companion seal for Pro Marine lift pump applications 80596-58P and 80596-58.
Seal 880596510 is commonly serviced with the related Mercury isolator 880596509. Always verify your engine model, serial number, and OEM parts diagram before ordering fuel module components.
Compatible Applications
| Engine Family | Application | Fitment Note |
|---|---|---|
| Mercury / Mariner 75-115 EFI 4-stroke | Fuel supply module lift pump seal | Used with 880596T58 lift pump applications. Verify serial number before ordering. |
| Mercury / Mariner Verado 135-300 4-stroke | 4-cylinder and 6-cylinder fuel module service | Related to 880596T58 lift pump service. Confirm model, serial range, and parts diagram. |
| Mercury Verado 200 / 225 / 250 6-cylinder | Fuel supply module seal reference | Verified fitment appears in 6-cylinder Verado fuel supply module listings; confirm exact serial range. |
Important Fitment Note
OEM number 880596510 is a Mercury fuel supply module seal used with the lift pump area, not the complete pump assembly. For best results, match this seal by OEM number, fuel pump number 880596T58, and your Mercury serial-number-specific parts diagram.
OEM & Cross Reference Numbers
| Mercury OEM Number | 880596510 |
|---|---|
| Mercury Prefixed Number | 26-880596510 |
| Part Description | Seal for 80596-58 / fuel supply module lift pump service |
| Related Mercury Isolator | 880596509 |
| Related Lift Pump Kit | 880596T58 |
| Pro Marine Pump Numbers | 80596-58P, 80596-58 |
What This Part is Used For
Seal 880596510 is used in the Mercury fuel supply module at the lift pump service area. When replacing a lift pump or servicing the fuel module, this seal helps support proper sealing around the pump assembly. Inspect the related isolator and surrounding fuel module seals during service.
Related Fuel Pump Parts
Mercury Fuel Pump Isolator
OEM Mercury isolator 880596509 used with this seal in the fuel module lift pump area.
View Isolator 880596509
Pro Marine Fuel Pump Lift
Aftermarket lift pump for Mercury 75-115 4-stroke and Verado 135-300 applications using 880596T58.
View Pump 80596-58P
Pro Marine Fuel Pump Kit with Seals
Pro Marine lift pump kit option for Mercury 75-115 4-stroke and Verado 135-300 4 and 6 cylinder applications.
View Pump Kit 80596-58Key Features and Benefits
- OEM Mercury Marine seal for fuel supply module lift pump service.
- Used with lift pump applications referencing Mercury 880596T58.
- Companion part to Mercury isolator 880596509.
- Supports proper sealing when replacing or servicing the lift pump area.
- Best verified by OEM number, engine serial number, and Mercury parts diagram.
Service Kit Details
| Item Number | 880596510 |
|---|---|
| Manufacturer Item | 880596510 |
| Manufacturer | Mercury Marine |
| Product Type | Fuel module seal |
| Related Fuel Pump Type | Electric fuel module lift pump application |
FAQ
Is 880596510 the lift pump?
No. 880596510 is the seal used with the fuel module lift pump area. The related Mercury lift pump kit number is 880596T58.
Does this seal go with isolator 880596509?
Yes. Seal 880596510 and isolator 880596509 are related fuel module service parts used around the lift pump assembly.
Will this fit every Mercury 75-115 EFI or Verado 135-300?
Not automatically. Fuel module parts vary by model and serial range, so confirm the OEM part number and your engine serial before ordering.
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.
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.
- Parts must be new, unused, and in original packaging.
- Installed parts are not 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
Mercury fuel pump seal, Mercury fuel supply module seal, Mercury Verado fuel pump seal, Mercury 75 90 115 EFI fuel module seal, Mercury lift pump seal.
Searchable Part Numbers
880596510, 26-880596510, 880596509, 880596T58, 80596-58P, 80596-58
819514A11
819514A6
861260T