Description
Quicksilver 8M0187157 Gearcase Gear Lube Drain Screw Washer, Composite Blue
The Quicksilver 8M0187157 Gearcase Gear Lube Drain Screw Washer is an OEM‑grade replacement washer crafted from durable composite material and finished in blue for easy identification. This washer is designed to seal the gearcase gear lube drain screw on Mercury and Mariner outboards as well as MerCruiser sterndrives, helping maintain proper lubrication and prevent leaks during normal operation.
Key Features
- OEM Quicksilver part designed for gearcase gear lube drain screw applications
- Part Number: 8M0187157
- Composite construction resists corrosion in marine environments
- Blue color for quick maintenance identification
- Provides reliable sealing to help prevent gear lube leaks
- Engineered for use with Mercury, Mariner and MerCruiser propulsion systems
Product Details
- Brand: Quicksilver
- Part Number: 8M0187157
- Material: Composite
- Color: Blue
- Application: Gearcase gear lube drain screw sealing washer
- Fitment: Mercury & Mariner outboards; MerCruiser sterndrives
- Maintenance: Ideal for routine gear lube service intervals
Why You Should Buy
- Genuine OEM‑grade washer ensures proper fit and performance
- Prevents gearcase lube leaks that can lead to lower unit damage
- Durable composite resists corrosion and wear in marine use
- Easy install during gear lube changes or routine maintenance
- Trusted Quicksilver part built to OEM specifications
Common Applications
- Replacement drain screw washer for Mercury outboard lower units
- Gear lube maintenance on Mariner outboard engines
- Installation in MerCruiser sterndrive gearcases
- Routine gear lube change service
FAQ
What engines does the Quicksilver 8M0187157 washer fit?
This washer fits gearcase gear lube drain screws on Mercury and Mariner outboard engines as well as MerCruiser sterndrive lower units.
Why choose a composite washer?
Composite material is corrosion‑resistant and durable, holding up well in marine environments compared to traditional metal washers.
When should I replace the washer?
It’s recommended to replace this washer whenever the gear lube drain screw is removed during routine gear lube service to ensure a proper seal.
Will this help prevent leaks?
Yes — it’s designed to form a reliable seal around the gearcase gear lube drain screw and help prevent oil leakage.
Is this an OEM part?
Yes, Quicksilver 8M0187157 is an OEM‑grade marine service part made for Mercury, Mariner and MerCruiser applications.