Quicksilver 8M0180871 MerCruiser Sea Water Pump Wear Plate

The Quicksilver 8M0180871 is a genuine OEM sea water pump wear plate (also referred to as a raw water pump backing plate or rear cover wear plate) designed for MerCruiser inboard and sterndrive engines. This precision-machined plate provides the critical sealing surface for the impeller inside the sea water pump, maintaining proper pump efficiency and protecting against premature wear.

Key Features:

• Genuine OEM Quicksilver / Mercury Marine replacement part
• Designed for the new-style sea water pump with plastic hose housing
• Provides the precise sealing surface required for optimal impeller performance
• Manufactured to OEM specifications for reliable, long-lasting service
• Supersedes part number 8M2014176

Compatible Engine Applications:

• MerCruiser 4.3L, 5.0L, 5.7L, 6.2L, and 8.2L engines
• MerCruiser Race 520 and 540 engines
• MCM V-6 and V-8 engines (305, 350, and 496 CID), 2000 and newer, equipped with the brass sea water pump

Replacing the wear plate during routine water pump service helps ensure consistent coolant flow and prevents engine overheating. This part is an essential component of a thorough impeller service and is commonly replaced alongside the impeller and pump gaskets.

Part Numbers: 8M0180871 | Supersedes: 8M2014176