Quicksilver 8M0135803 Mercury 15-20HP EFI Water Pump Impeller

Quicksilver 8M0135803 Water Pump Impeller for Mercury 15-20 HP EFI FourStroke

The Quicksilver 8M0135803 Water Pump Impeller is a genuine replacement impeller for select Mercury 15 HP and 20 HP EFI FourStroke outboards. This impeller fits Mercury 15/20 EFI FourStroke outboards with serial number 0R833820 and above, 2017 and newer.

The water pump impeller is a critical cooling system component that helps circulate cooling water through the outboard. Replacing a worn or damaged impeller during routine service helps protect the engine from overheating and supports reliable cooling system performance.

Product Features:

• Genuine Quicksilver water pump impeller
• Fits select Mercury 15 HP and 20 HP EFI FourStroke outboards
• Designed for serial number 0R833820 and above
• For 2017 and newer compatible Mercury outboards
• Helps restore proper water pump and cooling system performance
• Produced to Mercury Marine OEM specifications
• Direct replacement where part number 8M0135803 is specified

Product Details:

• Brand: Quicksilver
• Manufacturer Part Number: 8M0135803
• Listing Part Number: 47-8M0135803
• Part Type: Water Pump Impeller
• Application: Mercury 15/20 EFI FourStroke outboards
• Serial Range: 0R833820 and above
• Model Years: 2017 and newer where specified

Fits Select Mercury Applications:

• 15 HP EFI FourStroke outboards, serial number 0R833820 and above
• 20 HP EFI FourStroke outboards, serial number 0R833820 and above

Service Note: See your owner’s manual or service manual for specific application details, water pump inspection, impeller replacement procedure, gasket placement, and installation instructions.

Fitment Note: Impeller fitment should be verified by outboard model, horsepower, serial number, model year, water pump configuration, parts diagram, and existing impeller part number before ordering. Please confirm this water pump impeller is correct for your Mercury 15/20 HP EFI FourStroke outboard before purchasing.

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