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Garmin GPS 158, GPS 158i Accessories

Garmin accessories for the Garmin GPS 158 and Garmin GPS 158i greyscale marine devices. All of the Garmin GPS 158/158i accessories available to purchase from ActiveGPS are genuine Garmin parts.

We only sell genuine stock and do not sell third party parts and accessories. You can telephone 01733 777623 (Mon-Fri 9:30am-5pm) to make your purchase or click the images or accessory descriptions below to make your purchase online via the ActiveGPS website.

Garmin GPS 158/158i Protective Cover


‣Protect and look after the 5-inch screen/head unit of your Garmin GPS 158/158i with this genuine protective cover.

Garmin GPS 158/158i Flush Mount Kit


‣Garmin GPS 158/158i flush mount kit includes: flush mount gasket, mounting screws and mounting instructions.

Garmin GPS 158/158i Tilt/Swivel Quick-Release Mount


‣Garmin GPS 158 and GPS 158i mounting bracket enables you to mount, swivel and tilt, to achieve the best viewing angle.

Garmin GPS 158/158i 4-Pin Power/Data Cable


‣Power and connect your Garmin GPS 158 or GPS 158i with this 4-pin power/data cable. Features NMEA 0183 input/output.

Garmin GPS 158/158i GA 38 GPS/GLONASS Antenna


‣If you are wanting to use your Garmin GPS 158/158i on a boat, you will need this remote marine GA 38 GPS/GLONASS antenna to receive GPS/GLONASS signal.


We offer UK, Europe and Worldwide deliveries. We despatch orders at 4:30pm on Monday, Tuesday, Wednesday, Thursday and Friday. We need to receive your order on those days by 3:00pm. When possible we may despatch orders received after that time. No orders are despatched on Saturday, Sunday or Bank Holidays in England and Wales.

We offer FREE UK delivery on all orders of £50.00 or more, plus next working day and guaranteed Saturday delivery options. Click here for further info. All options also appear at the basket pages.

Why buy from us?

We are official Authorised Internet Retailers for Garmin. We sell genuine Garmin products, accessories and maps. We purchase from assigned Garmin UK distributors. We do not buy on the grey market and we do not sell counterfeit products. You can rest assured that by purchasing from ActiveGPS you will receive the full support of Garmin.

This page was last updated on: 11th March 2024

Telephone Number:

01733 777623

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

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