Description
Mercury 821354A04 Water Pump Repair Kit 40-60HP Standard Gearcase
The Mercury 821354A04 Water Pump Repair Kit is designed for select Mercury and Mariner 40HP to 60HP outboards with standard gearcase applications. This kit is used for routine cooling system service and water pump maintenance to help maintain proper water flow through compatible outboard engines.
Key Features
- Mercury water pump repair kit
- Part number: 821354A04
- Fits select Mercury and Mariner 40HP to 60HP outboards
- Designed for standard gearcase applications
- Used for water pump and cooling system service
- Helps maintain proper cooling water flow through compatible outboards
- Ideal for routine maintenance, seasonal service, and lower unit water pump repair
- Direct replacement kit for applications requiring Mercury 821354A04
Fitment / Product Details
- Brand: Mercury
- Part Number: 821354A04
- Product Type: Water pump repair kit
- Application: Select Mercury and Mariner outboard water pump service
- Engine Types: Select Mercury and Mariner outboards with standard gearcase applications
- HP Range: Select 40HP to 60HP applications
- Gearcase Type: Standard gearcase
- Assembly Location: Lower unit / water pump / cooling system assembly
- Related Impeller: 47-8M0204712 where specified
- Related Upper Housing: 46-821351A3 where specified
- Fitment Note: Match part number 821354A04 to your Mercury or Mariner outboard model, horsepower, serial number, gearcase type, shaft length, owner’s manual, service manual, or water pump parts chart before ordering.
What’s Included
- Water pump repair kit components for compatible Mercury / Mariner standard gearcase applications
- Service components required for applications where Mercury 821354A04 is specified
Expanded Fitment
- Mercury / Mariner 40HP Outboards: Select standard gearcase applications where 821354A04 is specified
- Mercury / Mariner 45HP Outboards: Select standard gearcase applications where 821354A04 is specified
- Mercury / Mariner 50HP Outboards: Select standard gearcase applications where 821354A04 is specified
- Mercury / Mariner 60HP Outboards: Select standard gearcase applications where 821354A04 is specified
- 40 FourStroke EFI 3-Cylinder Short Shaft: Select CHN serial range 1C000001-1C049738 applications where 821354A04 is specified
- Standard Gearcase Applications: Use where the water pump parts chart or service manual calls for Mercury 821354A04
Why You Should Buy
- Correct Mercury water pump repair kit for applications requiring 821354A04
- Designed for select 40HP to 60HP standard gearcase outboards
- Helps restore proper water pump service during routine cooling system maintenance
- Useful for seasonal service, preventative maintenance, and lower unit repair
- Supports accurate replacement when matched by part number, engine model, serial number, and gearcase type
Common Applications
- Mercury 40HP standard gearcase water pump service
- Mercury 45HP standard gearcase water pump repair
- Mercury 50HP standard gearcase cooling system maintenance
- Mercury 60HP standard gearcase water pump replacement service
- Mariner 40HP to 60HP standard gearcase applications
- Routine outboard impeller and water pump maintenance
- Applications requiring Mercury 821354A04 water pump repair kit
FAQ
- What is Mercury 821354A04? Mercury 821354A04 is a water pump repair kit for select Mercury and Mariner outboard standard gearcase applications.
- What horsepower range does this kit fit? This kit fits select 40HP to 60HP Mercury and Mariner outboards where 821354A04 is specified.
- What engine types does this kit fit? This kit fits select Mercury and Mariner outboard applications with standard gearcases.
- Is this for standard gearcase models? Yes. This listing is for select standard gearcase applications.
- Does this fit every 40HP to 60HP Mercury outboard? No. Fitment depends on the exact model, serial number, gearcase type, and water pump parts chart.
- What is this kit used for? This kit is used for lower unit water pump service and cooling system maintenance on compatible outboards.
- Is this related to impeller 47-8M0204712? Yes. 47-8M0204712 is a related impeller for select applications where specified.
- How should I confirm fitment? Match part number 821354A04 to your Mercury or Mariner outboard model, horsepower, serial number, gearcase type, shaft length, owner’s manual, service manual, or water pump parts chart before ordering.