Raymarine B744VL Long Stem Bronze Thru hull Tri-ducer with Fairing Block
Long stem for hulls with steep deadrise or thicker cored hulls.
Compatible with the following sounder modules:
- DSM30
- DSM300
Compatible hull material: Wood and fiberglass
Max power: 600 watts
Frequency: 200/50 kHz
Cable: 30ft (10m) cable with connector
Hole diameter for installation: 2″
Other: Self-sealing removable paddle wheel insert.
High speed fairing block is included.
**Requires E66066 Adapter Cable for use with the a,c,e,eS Series built in Sonar Models.**
Temperature = Yes | Speed Included = Yes | Mounting Style = Thru-Hull | Imagining = Standard | Chirp = No | Cable Length (Feet) = 30′


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Enjoy FREE standard shipping on most orders over $250 within the continental U.S. (excl. heavy/oversized/hazardous items).
We ship via UPS, FedEx, and USPS . Orders are processed in 1–2 business days with typical delivery in 1–5 business days .
🧭 Track The Voyage
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🛟 Hassle-Free Returns & Exchanges
Returns accepted within 30 days of delivery. Items must be unused and in original packaging.
- Mistaken or damaged cargo? We’ll handle return shipping.
- Changed your course? Return shipping is on you.
- Report defects or damage within 7 days for a free exchange.
💰 Anchor Your Refund
Refunds go back to your original payment method within 5–7 business days after inspection.
📨 Contact the Crew
Questions about your order? Drop anchor at sales@marineelec.com .