LEWMAR 3964-0937 Screen Hatch Square 3994-0030 19-5/16

( Brand: Lewmar ), ( Manufacturer Part Number: 3964-0937 ), ( Material: Aluminum ), ( Part Type: Hatch )

Review LEWMAR Screen Size 40 Hatch 19-5/16 Inch Square 39640937

The Lewmar 3964-0937 Screen 40 hatch is an excellent addition to any boat, designed specifically to fit the 19-5/16 square opening of the Lewmar 3994-0030 hatch. This hatch is engineered for superior performance and durability, ensuring a secure and weather-tight seal when closed.

The Screen 40 hatch is constructed from high-quality marine-grade materials, featuring a strong and lightweight fiberglass frame with a stainless steel handle and hinge. The frame is coated with a durable powder-coated finish that resists corrosion and fading, ensuring long-lasting protection against the harsh marine environment.

The hatch features a large 40-inch by 33-inch (101.6 cm x 83.8 cm) clear polycarbonate screen that provides excellent visibility while keeping out wind, rain, and debris. The screen is designed to be easily removable for cleaning or replacement, making maintenance a breeze.

The hatch is also equipped with a built-in drain system that allows water to easily drain away, preventing puddles from forming on the deck. The drain system is designed to be self-cleaning, ensuring that it remains free of debris and functioning optimally.

The Lewmar 3964-0937 Screen 40 hatch is designed to be easy to install, with clear instructions provided for a hassle-free installation process. The hatch is also backed by Lewmar's industry-leading warranty, ensuring peace of mind and protection against any manufacturing defects.

Overall, the Lewmar 3964-0937 Screen 40 hatch is an excellent investment for any boat owner, offering superior visibility, durability, and weather protection. With its strong construction, easy installation, and built-in drain system, this hatch is sure to provide years of reliable service on the water.

Pros and Cons of Buying a Lewmar 3964-0937 Screen 40 Hatch for a 19-5/16 Square Opening

The Lewmar 3964-0937 Screen 40 is a hatch designed to fit a 19-5/16 square opening. This hatch offers several advantages, but like any purchase, it comes with its share of potential drawbacks. In this analysis, we will discuss the key pros and cons to help you make an informed decision.

1. Excellent Ventilation: The primary function of a hatch is to provide ventilation on a boat. The Lewmar 3964-0937 Screen 40 Hatch does this exceptionally well, allowing ample airflow while keeping out rain and spray.

2. Durable Construction: Lewmar is known for its robust and reliable products. This hatch is no exception, featuring a strong, corrosion-resistant frame and high-quality screens.

3. Customizable: The hatch comes with removable screens, allowing you to use it as an open hatch when desired. This flexibility makes it suitable for various weather conditions and personal preferences.

4. Easy Installation: The hatch is relatively easy to install, with clear instructions provided in the user manual. Additionally, Lewmar offers excellent customer support to assist with any installation-related queries.

1. Cost: The Lewmar 3964-0937 Screen 40 Hatch is a premium product, and its price reflects its high-quality features. If budget is a concern, there are less expensive alternatives available on the market.

2. Size: While the hatch fits a 19-5/16 square opening, it may not be suitable for larger or smaller openings without modification. This could add to the installation cost and complexity.

3. Screens: The screens, while effective at keeping out rain and spray, may not be as effective at keeping out smaller insects or debris. If you require a tighter seal, you may need to consider additional sealing measures or alternative hatch designs.

The Lewmar 3964-0937 Screen 40 Hatch offers excellent ventilation, durability, customizability, and ease of installation. However, its premium price, limited size range, and potential need for additional sealing measures are important considerations. Ultimately, whether this hatch is the right choice for you depends on your specific needs, budget, and preferences.

If you prioritize excellent ventilation, durability, and the flexibility to use the hatch as an open hatch, the Lewmar 3964-0937 Screen 40 Hatch is an excellent investment. However, if budget is a concern, or if you require a hatch for a larger or smaller opening, you may want to explore alternative options before making a decision.

part # 39640937 prices

• $30.00-$50.00

specifications scowware:

• brand: Lewmar
• manufacturer part number: 3964-0937
• material: Aluminum
• part type: Hatch

payments scowware:

• wallet: Google-pay
• credit card: Visa
• cash
• other

offer scowware:

• quantity: 2
• started: February 3, 2026
• sold: 0
• availability: In Stock
• options: Ship-to-home

returns scowware:

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

general scowware:

• Parts Accessories > Boat Parts > Deck Cabin Hardware
• condition: New other see details

shipping scowware:

• carrier: USPS
• type: Fixed
• class: Standard
• cost: $20.00
• service: USPS Ground Advantage
• transit: 4-10 Days

seller scowware:

• # reviews: 2010
• rating: 100.0%

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