Description
Mercury 42038T3 Water Pump Repair Kit for 6-15HP Outboards
The Mercury 42038T3 Water Pump Repair Kit includes essential cooling system service parts for select Mercury and Mariner 6HP to 15HP outboards. Designed for compatible 2-cycle and FourStroke applications, this kit includes the gaskets, face plate, drive key, impeller, and water tube guide needed for routine water pump maintenance.
Key Features
- Mercury Precision water pump repair kit
- Part number: 42038T3
- Fits select Mercury and Mariner 6HP to 15HP outboards
- Designed for compatible 2-cycle and FourStroke outboard applications
- Includes gaskets, face plate, drive key, impeller, and water tube guide
- Helps maintain proper cooling system performance
- Easy to replace with common tools
- Useful for routine water pump service, impeller replacement, and seasonal maintenance
- Mercury parts are engineered, tested, and manufactured for fit, function, and performance
Fitment / Product Details
- Brand: Mercury Precision
- Part Number: 42038T3
- BU Part ID: 42038T3
- Product Type: Water pump repair kit
- Application: Select Mercury and Mariner outboard cooling system service
- Engine Types: Mercury and Mariner 2-cycle and FourStroke outboards
- HP Range: Select 6HP to 15HP applications
- Assembly Location: Lower unit / water pump / cooling system assembly
- Brand Store Category: Parts
- Brand Store Subcategory: Water Pump Repair Kits & Impellers
- Country of Origin: US
- Packaged Quantity: 1
- UPC: 745061029422
- Package Dimensions: 7.5 in L x 5.125 in W x 2.375 in H
- Package Weight: 0.25 lb
- Fitment Note: Match part number 42038T3 to your Mercury or Mariner outboard model, horsepower, engine type, serial number, water pump parts chart, owner’s manual, or service manual before ordering.
What’s Included
- Gaskets
- Face plate
- Drive key
- Impeller
- Water tube guide
Expanded Fitment
- Mercury 6HP Outboards: Select 2-cycle and FourStroke applications where 42038T3 is specified
- Mercury 8HP Outboards: Select 2-cycle and FourStroke applications where 42038T3 is specified
- Mercury 9.9HP Outboards: Select 2-cycle and FourStroke applications where 42038T3 is specified
- Mercury 15HP Outboards: Select 2-cycle and FourStroke applications where 42038T3 is specified
- Mariner 6HP to 15HP Outboards: Select 2-cycle and FourStroke applications where 42038T3 is specified
Why You Should Buy
- Correct Mercury water pump repair kit for applications requiring 42038T3
- Designed for select Mercury and Mariner 6HP to 15HP outboards
- Includes key service components needed for compatible water pump maintenance
- Helps maintain engine cooling system performance when installed correctly
- Ideal for seasonal service, preventative maintenance, and impeller replacement
- Easy replacement with common tools when following service manual instructions
Common Applications
- Mercury 6HP to 15HP water pump service
- Mariner 6HP to 15HP water pump repair
- Mercury / Mariner 2-cycle outboard impeller replacement
- Mercury / Mariner FourStroke cooling system maintenance
- Lower unit water pump service
- Applications requiring Mercury 42038T3
FAQ
- What is Mercury 42038T3? Mercury 42038T3 is a water pump repair kit for select Mercury and Mariner 6HP to 15HP outboards.
- What horsepower range does this kit fit? This kit fits select 6HP to 15HP Mercury and Mariner outboard applications.
- What engine types does this kit fit? This kit fits select Mercury and Mariner 2-cycle and FourStroke outboards.
- What is included in the kit? The kit includes gaskets, face plate, drive key, impeller, and water tube guide.
- What is this kit used for? This kit is used for water pump repair, impeller replacement, and cooling system maintenance on compatible outboards.
- Is this kit easy to install? Yes. It can be replaced with common tools when following the correct service manual instructions.
- What is the UPC? The UPC is 745061029422.
- What is the package size? The package measures 7.5 in L x 5.125 in W x 2.375 in H and weighs 0.25 lb.
- How should I confirm fitment? Match part number 42038T3 to your Mercury or Mariner outboard model, horsepower, engine type, serial number, water pump parts chart, owner’s manual, or service manual before ordering.



