SCANSTRUT DS21A-P-BLK-3 Vertical Cable Seal 3-PACK

( Brand: Scanstrut ), ( Part Type: Seal Cable ), ( Manufacturer Part Number: DS21A-P-BLK-3 )

Review SCANSTRUT Ds21a-p-blk Vertical Cable Seal Black 3-pack

Introducing the Scanstrut DS21A-P-BLK Vertical Cable Seal 3-Pack, a high-quality and essential accessory for securing and protecting marine cable installations. These cable seals are designed to prevent water ingress and ensure a reliable connection between your cables and the mounting surface.

Each DS21A-P-BLK seal measures 3 inches in height and is made from durable, UV-stabilized black polymer. The vertical orientation of these seals makes them an ideal solution for applications where space is limited or where cable bundles are mounted vertically.

The DS21A-P-BLK seals feature a unique, patented design that allows for easy installation and removal. Each seal comes with a pre-installed O-ring seal that creates a watertight seal around the cable bundle. To install, simply push the seal over the cable bundle and secure it in place with the included stainless steel screws.

These cable seals are not only functional but also aesthetically pleasing. Their sleek, black design blends seamlessly with most marine installations and helps to keep your boat or vessel looking great.

The DS21A-P-BLK Vertical Cable Seals are suitable for use with marine-grade cables and are compatible with most standard cable diameters. They are also resistant to UV radiation, making them ideal for use in sunny climates.

In summary, the Scanstrut DS21A-P-BLK Vertical Cable Seal 3-Pack is an essential accessory for anyone with marine cable installations. These durable, easy-to-install seals provide reliable water protection and help to ensure the longevity of your cable installations. With their sleek design and UV resistance, they are a must-have for boat owners and marine engineers alike.

The DS21A-P-BLK Vertical Cable Seals by Scanstrut are designed to secure and protect cable entries on boats. Here are some pros and cons of buying these seals:

1. Secure Cable Protection: The DS21A-P-BLK Vertical Cable Seals provide a secure and watertight seal, preventing water ingress and protecting cables from damage.

2. Easy Installation: These seals can be installed quickly and easily without the need for any special tools. They can be used with various cable diameters, making them versatile.

3. Durable: Made from high-quality materials, these seals are designed to last for a long time, even in harsh marine environments.

4. Aesthetic Appeal: The DS21A-P-BLK Vertical Cable Seals have a sleek and modern design that can enhance the appearance of a boat.

1. Price: These seals can be more expensive than some other cable sealing options on the market.

2. Limited Colors: These seals are only available in black, which may not be the best option for all boats or personal preferences.

3. Not Suitable for Large Cables: These seals are not suitable for large cables or bundles, as they are designed for individual cables.

In conclusion, the DS21A-P-BLK Vertical Cable Seals by Scanstrut offer secure cable protection, easy installation, durability, and aesthetic appeal. However, they come at a higher price and are only available in black. If you are looking for a cost-effective option or need to seal larger cables, you may want to consider other alternatives.

If you are in the market for cable seals for individual cables on your boat and are willing to pay a premium for high-quality, watertight seals with a modern design, then the DS21A-P-BLK Vertical Cable Seals by Scanstrut are a great choice.

part # ds21apblk3 prices

• $87.51-$107.95

specifications scowware:

• brand: Scanstrut
• part type: Seal Cable
• manufacturer part number: DS21A-P-BLK-3

returns scowware:

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

seller scowware:

• rating: 0.0%
• # reviews: 265

offer scowware:

• started: April 18, 2026
• sold: 0
• options: Ship-to-home
• quantity: 2
• availability: In Stock

general scowware:

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

shipping scowware:

• cost: $0.00
• type: Fixed
• service: Standard, Expedited, Overnight
• transit: 4-9 Days
• class: Standard, Expedited, One-day

payments scowware:

• credit card: Visa
• wallet: Apple-pay
• other

Scanstrut DS21A-P-BLK-3 Is Similar To:

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• Scanstrut Ds16-p-blk Horizontal Cable Seal Black (69.5% similar) $33.94–$52.95. (June 20th, 2025)
• Scanstrut Ds30-p-3 Vertical Cable Seal 3-pack (74.8% similar) $93.03–$151.30. (April 19th, 2026)