Product Description
Features
Ensure a tight seal on your engine with the Sierra Lower Unit Drain Screw Gasket, designed to fit 3/8-16 drain/fill screws found on all MerCruiser and most Mercury/Mariner O/B engines. This replacement gasket is an essential component used in most lower units and sea water pumps to prevent leaks and maintain proper fluid retention.
This Sierra gasket is an ideal fit for use with the Drain Screw Magnet (18-2375) and Drain Screw (18-2244), ensuring that your boat’s lower unit is securely sealed during operation and storage. Made to meet OEM specifications, this gasket offers a durable and reliable solution for your engine maintenance needs.
Key Features:
- OEM-quality gasket: Manufactured to meet original equipment standards
- Compatible with MerCruiser & Mercury/Mariner engines: Fits 3/8-16 drain/fill screws found on these popular engine models
- Used in most lower units & sea water pumps: Essential for proper sealing of engine components
- Replacement for multiple part numbers: Works with Drain Screw Magnet (18-2375) and Drain Screw (18-2244)
- Prevents leaks: Ensures a secure, leak-proof seal for your engine
- Durable material: Designed to withstand the rigors of marine environments
Who is this for?
- Boat owners with MerCruiser or Mercury/Mariner O/B engines
- Marine technicians performing repairs and maintenance on lower units
- DIY boat enthusiasts looking to replace worn-out gaskets
- Marine professionals in need of a reliable gasket for engine sealing
Specifications:
- Used with: 3/8-16 drain/fill screws
- Fits: MerCruiser and Mercury/Mariner O/B engines
- Used in: Lower units and sea water pumps
- Replacement for: Drain Screw Magnet (18-2375) and Drain Screw (18-2244)
California Residents:
WARNING: This product can expose you to chemicals such as Diisononyl, which is known to the State of California to cause cancer. For more information, visit www.P65Warnings.ca.gov.
Warranty Information:
We are an authorized reseller for all products listed on our website. Please refer to the manufacturer's website for warranty details.
