LEWMAR 360864999 Boat Deck Hatch Seal 743683119637

( Brand: Lewmar ), ( Part Type: Seal Deck ), ( Manufacturer Part Number: 360864999 ), ( UPC: 743683119637 )

Review LEWMAR Boat Size Low Profile Deck Hatch Seal fits MARINE 2020

The Lewmar 360864999 Boat Marine 20 Deck Hatch Seal is a high-performance, reliable solution for sealing and weatherproofing deck hatches on boats. This seal is specifically designed for 20-inch (50.8 cm) diameter hatches and is an essential accessory for maintaining the integrity of your boat's structure and keeping the interior dry.

Crafted from premium materials, this deck hatch seal features a flexible, self-adhesive gasket made of marine-grade rubber. The gasket's unique design ensures a snug fit around the hatch, providing an effective watertight seal while allowing for easy opening and closing. The rubber is resistant to UV rays, ozone, and oil, ensuring long-lasting performance even in harsh marine environments.

The Lewmar 360864999 Boat Marine 20 Deck Hatch Seal also includes a pair of stainless steel retaining clips. These clips securely fasten the gasket to the hatch rim, providing additional support and stability. Their corrosion-resistant properties ensure the clips can withstand the rigors of the marine environment, maintaining the seal's integrity over time.

Installing this deck hatch seal is a straightforward process. The self-adhesive gasket can be easily trimmed to size and bonded to the hatch rim, while the stainless steel clips can be screwed into place using the provided screws. For added convenience, Lewmar offers a range of compatible deck hatch sizes, allowing boat owners to find the perfect seal for their specific application.

In summary, the Lewmar 360864999 Boat Marine 20 Deck Hatch Seal is an essential accessory for sealing and weatherproofing 20-inch (50.8 cm) diameter deck hatches on boats. Featuring a marine-grade rubber gasket, stainless steel retaining clips, and easy installation process, this seal ensures a reliable, watertight seal that can withstand the rigors of the marine environment.

The Lewmar 360864999 boat marine 20 deck hatch seal is a crucial component for maintaining the watertight integrity of a vessel. Here are some pros and cons to help you make an informed decision about whether to purchase this particular seal.

1. Manufactured by a reputable brand: Lewmar is a well-known and trusted name in the marine industry, and their products are known for their durability and quality.

2. Designed for a wide range of applications: This deck hatch seal is suitable for a variety of boat types and sizes, making it a versatile option for boat owners.

3. Easy to install: The seal is designed to be a direct replacement for many common deck hatches, which can save time and effort during installation.

4. High-quality materials: The seal is made from high-density, closed-cell neoprene, which provides excellent sealing performance and insulation.

5. Effective waterproofing: The seal is specifically designed to prevent water intrusion, which can help keep the interior of the boat dry and prevent damage.

1. Price: The Lewmar 360864999 boat marine 20 deck hatch seal is a premium product, and its price reflects its high-quality materials and manufacturing.

2. Size limitations: While the seal is versatile, it may not fit all deck hatches, so it's important to double-check the dimensions before purchasing.

3. Limited color options: The seal is only available in one color, which may not match the color scheme of some boats.

4. Requires regular maintenance: Like all seals, the Lewmar 360864999 boat marine 20 deck hatch seal will eventually wear out and require replacement. Regular inspections and maintenance are essential to ensure the seal remains effective.

The Lewmar 360864999 boat marine 20 deck hatch seal is a high-quality, effective solution for maintaining the watertight integrity of a vessel. While it may be more expensive than some alternative options, its durability, versatility, and waterproofing capabilities make it a worthwhile investment for serious boat owners.

If you're in the market for a new deck hatch seal and are looking for a reliable, high-performance option, the Lewmar 360864999 boat marine 20 deck hatch seal is a strong contender. Be sure to double-check the dimensions to ensure a proper fit, and plan for the ongoing maintenance that comes with any seal. Overall, the benefits of this seal far outweigh the drawbacks, making it a solid choice for boat owners looking to keep their vessels dry and secure.

part # 360864999 prices

• $91.44-$158.15

specifications scowware:

• for models: Marine
• for years: 2020
• brand: Lewmar
• part type: Seal Deck
• manufacturer part number: 360864999
• upc: 743683119637

general scowware:

• Parts Accessories > Boat Parts > Deck Cabin Hardware
• condition: New

payments scowware:

• cash
• wallet: Apple-pay
• credit card: Diners-club
• other

returns scowware:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

offer scowware:

• started: December 15, 2025
• options: Ship-to-home
• quantity: 1
• sold: 0
• availability: In Stock

seller scowware:

• # reviews: 8544
• rating: 99.3%

shipping scowware:

• transit: 3-8 Days
• carrier: USPS
• service: USPS First Class, USPS Priority Mail
• class: Standard, Expedited
• cost: $0.00
• type: Calculated

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