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Mercury L6 Verado 300 Hour Service Kit
Mercury Inline 6 Verado 350HP-400HP 300 Hour Service Kit
This VER100-L6350 300 hour service kit is built for Mercury Inline 6 Verado 350HP-400HP outboards. It is designed for major scheduled maintenance on compatible high horsepower L6 Verado FourStroke models.
This kit is a convenient option for customers performing 300 hour service and wanting the major maintenance components grouped together for their compatible Mercury L6 Verado 350HP or 400HP outboard.
Compatible Applications
| Brand | Horsepower | Engine Type | Application Notes |
|---|---|---|---|
| Mercury | 350HP | L6 Verado FourStroke | Compatible high horsepower L6 Verado models |
| Mercury | 400HP | L6 Verado FourStroke | Compatible high horsepower L6 Verado models |
This 300 hour service kit is intended for Mercury Inline 6 Verado 350HP-400HP outboards.
If you have a 200HP-300HP L6 Verado, use one of the 200HP-300HP 300 hour service kit options linked below.
Have a 200HP-300HP L6 Verado?
Mercury L6 Verado 200HP-300HP 300 Hour Kit
300 hour service kit for Mercury Inline 6 Verado 200HP-300HP models with the later 2B serial range.
View Product
Mercury L6 Verado 200HP-300HP Service Kit
Service kit option for earlier Mercury Inline 6 Verado 200HP-300HP models with serial numbers 2B144122 and below.
View ProductWhat is Included
| Included Component | Application |
|---|---|
| 300 hour maintenance components | Major scheduled service interval |
| Oil filter service component | Engine oil filtration service |
| Fuel filter service components | Fuel system maintenance |
| Spark plug service components | Ignition system maintenance |
| Water pump / cooling system service components | Cooling system and water pump maintenance |
| Anode / corrosion protection components | Routine corrosion protection maintenance |
| Service seals and maintenance hardware | Routine replacement during scheduled service |
What This Service Kit is Used For
This VER100-L6350 service kit is used for 300 hour scheduled maintenance on compatible Mercury Inline 6 Verado 350HP-400HP FourStroke outboards.
300 hour service is a major maintenance interval that helps support fuel system cleanliness, ignition performance, cooling system operation, corrosion protection, and long-term engine reliability.
Regular scheduled maintenance helps support dependable Verado performance, proper cooling, clean fuel delivery, and long-term durability in demanding marine conditions.
Customers with 200HP-300HP L6 Verado models should use one of the linked service kit options above instead of this 350HP-400HP kit.
Key Features and Benefits
- 300 hour service kit for Mercury Inline 6 Verado outboards
- Fits Mercury L6 Verado 350HP-400HP models
- Designed for major scheduled maintenance
- Supports fuel system, ignition, cooling system, and corrosion protection service
- Convenient way to group major maintenance components
- Helps support long-term Verado reliability and performance
- Use 200HP-300HP kit options for lower horsepower L6 Verado models
Service Kit Details
- Kit Part Number: VER100-L6350
- Application: Mercury Inline 6 Verado FourStroke Outboards
- Horsepower Range: 350HP-400HP
- Service Interval: 300 Hour Maintenance
- Engine Family: L6 Verado
- Service Type: Major scheduled maintenance
FAQ
What engines does this 300 hour service kit fit?
This kit fits compatible Mercury Inline 6 Verado 350HP-400HP outboards.
Does this kit fit Mercury L6 Verado 200HP-300HP models?
No. Mercury L6 Verado 200HP-300HP models use different service kit options, linked above.
Is this the same as a basic oil change kit?
No. This is a 300 hour service kit. A basic oil change kit is used for engine oil and oil filter service only.
What is the difference between 100 hour and 300 hour service?
A 100 hour service is a routine maintenance interval, while 300 hour service is a larger scheduled service that may include additional maintenance items depending on the engine and service schedule.
Should I verify fitment before ordering?
Yes. Always confirm your engine horsepower, model, and service requirements before ordering maintenance parts.
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, lubricants, installed parts, and used maintenance items 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
VER100-L6350, Mercury L6 Verado 350HP 300 hour service kit, Mercury L6 Verado 400HP 300 hour service kit, Mercury Inline 6 Verado 350HP service kit, Mercury Inline 6 Verado 400HP service kit, Mercury Verado 300 hour maintenance kit, Mercury L6 Verado 300 hour kit, Mercury high horsepower Verado service kit, VER100-L62B, VER100-L6, Mercury 200HP Verado 300 hour kit, Mercury 300HP Verado 300 hour kit
Mercury L6 Verado 300 Hour Service Kit
Mercury Inline 6 Verado 200HP-300HP 300 Hour Service Kit
This VER100-L62B 300 hour service kit is built for Mercury Inline 6 Verado 200HP-300HP outboards with serial numbers 2B144122 and newer. It is designed for major scheduled maintenance on compatible L6 Verado FourStroke models.
This kit is a convenient option for customers performing 300 hour service and wanting the major maintenance components grouped together for their compatible Mercury L6 Verado outboard.
Compatible Applications
| Brand | Horsepower | Engine Type | Serial Range |
|---|---|---|---|
| Mercury | 200HP | L6 Verado FourStroke | 2B144122-Present |
| Mercury | 225HP | L6 Verado FourStroke | 2B144122-Present |
| Mercury | 250HP | L6 Verado FourStroke | 2B144122-Present |
| Mercury | 300HP | L6 Verado FourStroke | 2B144122-Present |
This VER100-L62B kit is for Mercury L6 Verado 200HP-300HP models. If you have a 350HP-400HP L6 Verado, order the kit below.
Mercury L6 Verado 350HP-400HP 300 Hour Kit
300 hour service kit for Mercury L6 Verado 350HP-400HP models. Use this option for the higher horsepower L6 Verado applications.
View ProductThis 300 hour service kit is intended for Mercury Inline 6 Verado 200HP-300HP outboards with serial numbers 2B144122 and newer.
Always verify your engine model, horsepower, and serial number before ordering.
What is Included
| Included Component | Application |
|---|---|
| 300 hour maintenance components | Major scheduled service interval |
| Oil filter service component | Engine oil filtration service |
| Fuel filter service components | Fuel system maintenance |
| Spark plug service components | Ignition system maintenance |
| Water pump / cooling system service components | Cooling system and water pump maintenance |
| Anode / corrosion protection components | Routine corrosion protection maintenance |
| Service seals and maintenance hardware | Routine replacement during scheduled service |
Complete Your Service
Mercury L6 Verado Oil Change Kit
Mercury 25W50 oil change kit for select L6 Verado outboards. Includes two gallons of oil, oil filter, and drain seal.
View Product
100 Hour Kit Without Oil
OEM Mercury 100 hour service kit for L6 Verado models with later serial numbers. Oil and gear lube are sold separately.
View Product
100 Hour Kit With Oil
OEM Mercury 100 hour service kit with oil for L6 Verado models with later serial numbers.
View ProductWhat This Service Kit is Used For
This VER100-L62B service kit is used for 300 hour scheduled maintenance on compatible Mercury Inline 6 Verado 200HP-300HP FourStroke outboards.
300 hour service is a more complete maintenance interval than a basic oil change and typically addresses major service areas such as ignition, fuel filtration, cooling system service, corrosion protection, and routine replacement seals or hardware.
Regular scheduled maintenance helps support long-term Verado reliability, clean fuel delivery, proper engine cooling, corrosion protection, and dependable performance on the water.
Customers performing only engine oil service can use the linked Mercury L6 Verado oil change kit. Customers performing annual or 100 hour service can use the linked 100 hour kit with or without oil.
Key Features and Benefits
- 300 hour service kit for Mercury Inline 6 Verado outboards
- Fits Mercury L6 Verado 200HP-300HP models
- For serial numbers 2B144122-Present
- Designed for major scheduled maintenance
- Supports fuel system, ignition, cooling system, and corrosion protection service
- Convenient way to group major maintenance components
- Pairs with Mercury L6 oil change and 100 hour service kits
Service Kit Details
- Kit Part Number: VER100-L62B
- Application: Mercury Inline 6 Verado FourStroke Outboards
- Horsepower Range: 200HP-300HP
- Serial Range: 2B144122-Present
- Service Interval: 300 Hour Maintenance
- Engine Family: L6 Verado
- Service Type: Major scheduled maintenance
FAQ
What engines does this 300 hour service kit fit?
This kit fits Mercury Inline 6 Verado 200HP-300HP outboards with serial numbers 2B144122 and newer.
Does this kit fit 350HP-400HP L6 Verado models?
No. Mercury L6 Verado 350HP-400HP models use a different 300 hour service kit, linked above.
Is this the same as a basic oil change kit?
No. This is a 300 hour service kit. A basic oil change kit is used for engine oil and oil filter service only.
Do you offer a Mercury L6 Verado oil change kit?
Yes. The Mercury L6 Verado 25W50 oil change kit is linked above in the Complete Your Service section.
Do you offer 100 hour kits for this engine family?
Yes. The 100 hour kit without oil and 100 hour kit with oil are both linked above.
Should I verify my serial number?
Yes. Mercury L6 Verado service kits can vary by serial number range, so always confirm your serial number before ordering.
What is the difference between 100 hour and 300 hour service?
A 100 hour service is a routine maintenance interval, while 300 hour service is a larger scheduled service that may include additional maintenance items depending on the engine and service schedule.
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, lubricants, installed parts, and used maintenance items 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
VER100-L62B, Mercury L6 Verado 300 hour service kit, Mercury Inline 6 Verado 300 hour kit, Mercury Verado 300 hour maintenance kit, Mercury L6 Verado 200HP service kit, Mercury L6 Verado 225HP service kit, Mercury L6 Verado 250HP service kit, Mercury L6 Verado 300HP service kit, Mercury Verado 2B144122 and newer, Mercury 100 hour service kit, Mercury L6 Verado oil change kit, OCKIT-1, 8M0120657, 8M0120657-L, VER100-L6350, Mercury L6 Verado 350HP 300 hour kit, Mercury L6 Verado 400HP 300 hour kit
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