FREE UK delivery when you spend £40 - see more delivery options.

Homepage / GPS / Marine / Chartplotters / Fishfinders / Marine Transducers / Marine Transducer Adaptor Cables

Marine Transducer Adaptor Cables

Connect your Garmin chartplotter and/or fishfinder successfully to a Garmin marine transducer with a genuine Garmin transducer cable. We sell the adaptor cable(s) you need to successfully install your Garmin transducer on your boat with connections that will work with your sounder and chartplotter/fishfinder. For example, we sell 4-pin to 8-pin cables, 6-pin to 4-pin cables, 8-pin to 4-pin cables and more. These cables will supply power and/or data and some also provide sonar connectivity. In addition we also sell a comprehensive selection of Garmin marine power cables.

Not sure which transducer to buy to work best with your boat and chartplotter/fishfinder? Simply complete the buying a transducer online form on our transducer buying guide page and we will contacy you with the compatible transducers for your boat/chartplotter set-up.

Garmin GPSMAP 451s/551s Sounder Power/Data/Xdcr Cable


‣Includes cable with bare power/data wires
‣Also fits other GPSMAP 400s/500s models with sounder.

Garmin GPSMAP 720s/750s Power/Data/Sonar Cable (19-pin)


‣Includes cable with bare power/data wires
‣Includes sounder/transducer connectivity for GPSMAP 700s series.

Garmin 4-pin to 8-pin Sounder Adapter Cable


‣Connect a Garmin echoMAP CHIRP or Garmin ECHOMAP Plus 4-pin to a compatible Garmin 8-pin sounder.

Garmin 6-pin to 4-pin Sounder Adapter Cable


‣Connect a Garmin 6-pin dual-beam transducer with your 4-pin echo or STRIKER series fishfinder.

Garmin 8-pin to 4-pin Sounder Adapter Cable


‣Connect a Garmin 8-pin single or dual beam transducer to a compatible Garmin 4-pin sounder.

Garmin 8-pin to 6-pin Sounder Adapter Cable


‣Connect a Garmin 8-pin single or dual beam transducer to a compatible Garmin 6-pin sounder.

Garmin 8-pin to 12-pin Sounder Adapter Cable


‣Connect a Garmin 8-pin single or dual beam transducer to a compatible Garmin 12-pin sounder.

Garmin 12-pin to Dual 4-pin Transducer Y-Cable


‣Connect a Garmin 12-pin single or dual beam transducer to a compatible Garmin 4-pin sounder.

Garmin Transducer Adapter Cable (12-pin)


‣Replacement right angle transducer adapter cable with 12-pins.

Garmin 6-pin Transducer to 8-pin Sounder Adapter Wire Block


‣Connect the wires on legacy 6-pin transducers with newer 8-pin connection.

Garmin 4-pin Transducer Extension Cable


‣Extend the cable length of your compatible transducer with this 3 metres (10 foot) cable.

Garmin 8-pin Transducer Extension Cable

£38.99 and £56.99

‣Garmin 8-pin Transducer Exetension Cable 3 metres (10 foot) and 9 metres (30 foot).


We offer UK, Europe and Worldwide deliveries. We despatch orders at 5.30pm on Monday, Tuesday, Wednesday, Thursday and Friday. We need to receive your order on those days by 4.30pm. When possible we may despatch orders received after that time. No orders are despatched after 5.30pm and no orders are despatched on Saturday or Sunday.

We offer FREE UK delivery on all orders of £40.00 or more, plus next working day and guaranteed Saturday delivery options. Click here for further info. All options also appear at the basket pages.

Adding a transducer to your Garmin Chartplotter and/or fishfinder

Garmin transducers are compatible with many Garmin echoMAP, GPSMAP and STRIKER chartplotters and fishfnders. Once connected they will provide you with a live 'view' beneath your boat. We stock the very latest Garmin transducers which can provide you with an image of not only what lies directly below but towards the front or sides of your boat with features such as SideVu, DownVu and RealVu 3D Forward.

To find the perfect transducer to partner with your Garmin chartplotter and/or fishfinder, and your boat please complete our online transducer form. Alternatively, if you know which transducer your require (we do however recommend that you complete our online form to find the perfect transducer) you can view the comprehensive range of transducers available buy from ActiveGPS. Pictured below, transom mounted transducer, thru-hull transducer and in-hull transducer.

Why buy from us?

We are official Internet Retailers of Garmin products and we sell the genuine Garmin maps. We always aim to ensure the mapping available at our website is the most recent edition of the software. Beware of other websites selling older mapping that is not the current version of the software.

This page was last updated on: 1st March 2022

Telephone Number:

01733 777623

Monday to Friday 9:30am to 5:00pm (UK Time)


Follow us on Copyright © Active Alliance Limited 2005-2022 | Company Number - 05200677 | VAT Number - GB 834 2222 57
Text compiled by and copyright Active Alliance Ltd. Plagiarism software in use - do not copy any of our website text, images or videos.