Description
Mercury 42038K02 Water Pump Impeller
Mercury 42038K02 is a genuine Mercury part made as an original equipment replacement impeller for select Mercury and Mariner outboards. This water pump impeller helps keep the engine cooling system performing properly by maintaining cooling water flow through compatible standard gearcase applications.
Key Features
- Genuine Mercury water pump impeller
- Durable design helps provide cooling flow to protect the engine
- Impeller elastomers provide flexibility across broad temperature ranges
- Bonded center insert helps resist tearing and loss of water flow
- Designed for select Mercury and Mariner 6-15 HP outboards
Fitment / Product Details
- Brand: Mercury Precision
- Part Number: 42038K02
- BU Part ID: 42038K02
- Product Type: Water Pump Impeller
- Application: Select Mercury and Mariner 6-15 HP outboards with standard gearcases
- Engine Style: Outboard
- HP Range: 6-15 HP
- Country of Origin: US
- Package Quantity: Each
- Package Dimensions: 7.05 in L x 3.1 in W x 2.85 in H
- Package Weight: 0.085 lb
- Fitment Note: Confirm compatibility by part number, model, horsepower, serial number/model year, parts diagram, owner’s manual, or service manual before ordering.
Expanded Fitment
- Mercury and Mariner 6-15 HP TwoStroke outboards with standard gearcases, USA serial number 0A197112 and above
- Mercury and Mariner 6-15 HP TwoStroke outboards with standard gearcases, BEL serial number 9461526 and above
- Mercury and Mariner 8-9.9 HP FourStroke outboards, 2004 and prior, with standard gearcases
- Mercury and Mariner 15 HP FourStroke outboards, 323cc, model year 2008 and prior, with standard gearcases
What’s Included
- One Mercury 42038K02 water pump impeller
Why You Should Buy
- Correct genuine Mercury service part for applications that specify 42038K02
- Helps maintain proper cooling system performance
- Useful for routine water pump maintenance on compatible outboards
- Backed by Mercury engineering, testing, and manufacturing standards
Common Applications
- Water pump impeller replacement on compatible Mercury and Mariner outboards
- Cooling system maintenance for 6-15 HP standard gearcase applications
- Routine service when replacing worn or aged impellers
FAQ
- Is this a complete water pump kit? No. This listing is for the impeller only.
- Does this fit all Mercury 6-15 HP outboards? No. Use the serial number, model year, gearcase style, and parts diagram to confirm fitment.
- What gearcase style does this fit? The supplied application data specifies standard gearcases.
- How do I confirm fitment? Match part number 42038K02 to your Mercury or Mariner parts diagram, serial number, owner’s manual, or service manual before ordering.
- Need help confirming fitment? Contact us before ordering and our parts team can help verify compatibility: Ask a Parts Pro.