Free Shipping on Orders Over $50
Scanstrut DS21APBLK Vertical Cable Seal Black 3Pack DS21APBLK3
Original price was: $100.78.$78.50Current price is: $78.50.
24 in stock
DS21A-P-BLK Vertical Cable Seal – Black *3-Pack
Scanstrut premium IP68 waterproof cable seal provides easy-fit cable routing that cuts down your installation time and is the only guaranteed and proven watertight installation for your antenna and navlight cables.
Features:
- Watertight installation – 100% waterproof with an IP68 rating
- Easy and reliable installation – each unit is supplied with both pre-drilled and blank inner seals to make your installation as easy as possible.
- No Need to Remove Cable Connectors – split-seal option does not require connector removal during installation.
- Multi-Functional Dome Shape – the aesthetic dome-shaped profile provides a stronger, impact-resistant design and the outer dome provides an additional water shield.
Technical Specifications:
- Fits cable size (diameter) – .17″ to .31″ (4 – 9 mm)
- Fits connector size up to .83″ (21 mm) in diameter
- Height – .81″ (20.5 mm)
- Color – Black
- Orientation – Vertical
- Material – ASA Plastic
In the Box:
- Cable seal
- Mounting hardware
- Installation manual
*Sold as a Three (3) Pack
Specifications:
- Type: Deck Seal
- Box Dimensions: 1″H x 4″W x 9″L WT: 0.72 lbs
Quick Guide (pdf)
Brochure (pdf)

![newmar-bx-1-junction-box-bx-1 Newmar BX-1 Junction Box [BX-1]](https://www.goodmarinereplacementparts.com/wp-content/uploads/2026/09/newmar-bx-1-junction-box-bx-1.webp)

![t-h-marine-t-h-flex-1-1-4-expandable-braided-sleeving-50-roll-flx-125-dp T-H Marine T-H FLEX 1-1/4" Expandable Braided Sleeving - 50 Roll [FLX-125-DP]](https://www.goodmarinereplacementparts.com/wp-content/uploads/2026/09/t-h-marine-t-h-flex-1-1-4-expandable-braided-sleeving-50-roll-flx-125-dp.webp)
![t-h-marine-t-h-flex-1-4-expandable-braided-sleeving-100-roll-flx-25-dp T-H Marine T-H FLEX 1/4" Expandable Braided Sleeving - 100 Roll [FLX-25-DP]](https://www.goodmarinereplacementparts.com/wp-content/uploads/2026/09/t-h-marine-t-h-flex-1-4-expandable-braided-sleeving-100-roll-flx-25-dp.webp)

![ancor-premium-electrical-tape-3-4-x-66-black-331066 Ancor Premium Electrical Tape - 3/4" x 66' - Black [331066]](https://www.goodmarinereplacementparts.com/wp-content/uploads/2026/09/ancor-premium-electrical-tape-3-4-x-66-black-331066.webp)

![newmar-px-2-junction-box-px-2 Newmar PX-2 Junction Box [PX-2]](https://www.goodmarinereplacementparts.com/wp-content/uploads/2026/09/newmar-px-2-junction-box-px-2.webp)