Mercury MerCruiser Seal 888593

Mercury MerCruiser / Quicksilver Seal 888593

Maintain a leak-free engine service point with the genuine Mercury Marine / Quicksilver 888593 Seal. This OEM oil drain plug seal (washer) is installed on the engines drain plug or oil drain tube, creating a tight seal that prevents oil leaks during operation and after oil changes.

Manufactured to Mercury Marines original equipment specifications, the seal ensures proper fit and reliable sealing performance for many Mercury and MerCruiser engines.

Key Features

• Genuine Mercury / Quicksilver OEM drain plug seal

• Provides a tight seal on the engine oil drain plug or drain tube

• Helps prevent oil leaks after service or during operation

• Durable washer-style seal designed for marine engine environments

• Direct replacement for the original factory seal

Superseded / Replacement Part

• 888593 superseded by 26-8M0188614 (current replacement part number).

Compatible Mercury Engines

Commonly used on Mercury Verado outboard engines, including:

• 135 HP Verado

• 150 HP Verado

• 175 HP Verado

• 200300 HP Verado (L4 and L6 models)

• 350 / 400 Verado models

Exact compatibility depends on engine model and serial number range.

Function

The seal sits between the oil drain plug and engine housing, compressing when the plug is tightened to create a leak-proof seal. Replacing the seal during oil service helps prevent oil seepage and maintains proper engine lubrication.

Important Compatibility Note

Drain plug seals may vary by engine model and drain plug design. Always verify compatibility using the engine serial number before ordering to ensure the correct replacement part.

Shipping: Ships same or next day for fast Canada wide shipping.