FREE SHIPPING on all orders over $49.99
EASY RETURNS — 10-day postage paid returns
AUTHORIZED DEALER — direct from the manufacturer
SI-TEX

Marine electronics that stay reliable

SI-TEX

Authorized Dealer
Follow this brand:

Upgrade your helm with confidence

From radar and AIS to GPS antennas and transducers, SI-TEX helps you build a navigation setup you can trust when the weather changes and the bite turns on.

Shop SI-TEX

Top sellers from this brand

View all
SI-TEX GPK-11 GPS Antenna [GPK-11]
SI-TEX GPK-11 GPS Antenna [GPK-11]
$246.76
$279.00
$246.76
Add to cart
SI-TEX 494/50/200 In-Hull Transducer f/ES502 [494/50/200-ES]
SI-TEX 494/50/200 In-Hull Transducer f/ES502 [494/50/200-ES]
$220.76
$275.00
$220.76
Add to cart
SI-TEX CVS-126 Dual Frequency Color Echo Sounder [CVS-126]
SI-TEX CVS-126 Dual Frequency Color Echo Sounder [CVS-126]
$759.76
$879.00
$759.76
Add to cart
SI-TEX 18CI Pumpset 12V [81167] SI-TEX 18CI Pumpset 12V [81167]
SI-TEX 18CI Pumpset 12V [81167]
$626.76
$725.00
$626.76
Add to cart
Price Reset
$
0
6173.76
$
$
Price: $0 – $6,173.76
Sort by
Filter and sort
Filter and sort

107 products

Availability
Clear
Price
$
$
Brand
Clear
More filters
Clear
Product type
Clear
Clear

107 products

About SI-TEX

For nearly 40 years, mariners around the world have relied on SI-TEX for proven marine electronics that hold up in real conditions. Based on Long Island, New York, SI-TEX focuses on practical features, straightforward operation, and dependable performance for commercial workboats, sportfishing rigs, cruisers, and sailboats.

SI-TEX's lineup covers the core tools you need at the helm, including radar, chartplotters and sounders, GPS navigation, AIS transponders, heading sensors, VHF communications, and autopilot systems. Whether you are upgrading a single component or putting together a complete navigation package, their products are designed to integrate cleanly and deliver strong value.

At Lotz Outdoors, we carry SI-TEX to help boaters get accurate information and reliable visibility on the water. If you want gear that is built to last and easy to run day after day, SI-TEX is a smart choice.

Warranty

2-year warranty

View warranty details

SI-TEX Customer Service

631-996-2690

For product-specific support, warranty claims, and technical questions, contact the brand directly.

SI-TEX FAQs

What is SI-TEX known for?

SI-TEX is known for rugged, practical marine electronics that deliver reliable navigation and fishfinding performance at a strong value. Their lineup covers radar, chartplotters and sounders, AIS, GPS navigation, and related helm components designed to work on a wide range of boats.

Where is SI-TEX based?

SI-TEX is based on Long Island, New York, and supports boaters, anglers, and commercial operators with customer service and technical help from the United States.

Does SI-TEX offer a warranty?

Yes. SI-TEX states that its products are backed by a 2-year warranty. If you need help with a warranty claim or troubleshooting, Lotz Outdoors can help you confirm the right model and documentation to get you moving again.

What products does SI-TEX make?

SI-TEX makes core marine electronics for the helm, including radar, chartplotters, echosounders and fishfinders, AIS transponders and receivers, GPS antennas, heading sensors, VHF communications equipment, transducers, and autopilot systems and components.

How do I choose the right SI-TEX system for my boat?

Start with your priorities, navigation, fishfinding, safety, or autopilot, then match the display size, network compatibility, and sensors to your boat. If you want a second set of eyes, share your boat model and current electronics setup and we will help you narrow down a SI-TEX package that fits.