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Boat Hole Cover Plate, 4-1/8-Inch Outside Diameter, 2-Pack

$16.19 (Price correct as of 10/29/2026 17:38 PDT · Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

This two-pack of round boat hole cover plates is designed to conceal unused openings left by marine equipment. Each plate has a 4-1/8-inch outside diameter and fits holes up to 2-3/4 inches. The UV-stabilized polypropylene covers use a four-screw mounting design and can be removed for access to wiring or equipment. Four #8 fasteners are required and are not included.

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SKU: B0H55CKFDZ Category:

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Quick Summary

This two-pack of round boat hole cover plates is designed to conceal unused openings left by fish finders, gauges, VHF radios, and other marine equipment. Each plate has a 4-1/8-inch outside diameter and is stated to fit holes up to 2-3/4 inches.

Key Details

Detail Product information and buyer relevance
Pack quantity Two cover plates.
Outside diameter 4-1/8 inches.
Hole fit Fits holes up to 2-3/4 inches, according to the product description.
Construction UV-stabilized polypropylene, described as resisting fading, cracking, and chemical exposure.
Mounting and access Four-screw mounting design; the cover can be removed to inspect or maintain wiring and equipment behind it.

Compatibility, Size and Fit

Check the opening diameter before choosing these covers. The stated maximum hole size is 2-3/4 inches, while the plate’s outside diameter is 4-1/8 inches. Confirm that the plate will cover the opening and that the mounting locations work for the intended installation.

What Is Included

The product is identified as a two-pack. Four #8 fasteners are specified for the four-screw mounting design, but fasteners are not included. Confirm the total fastener quantity needed for both covers before installation.

Before You Decide

Measure each unused opening, check that a 4-1/8-inch plate will provide the coverage you need, and account for the required #8 fasteners. These removable covers provide access to wiring or equipment behind the panel when inspection or maintenance is needed.

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