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Garmin GPSMAP 640 Accessories

Garmin accessories for the Garmin GPSMAP 640 marine GPS device. All of the GPSMAP 640 accessories available to purchase from ActiveGPS are genuine Garmin parts.

All of the GPSMAP 640 accessories marked as 'in stock' are available today for standard, next day and Saturday delivery in the UK (subject to the time/day the order is placed). Europe and Worldwide delivery options are also available.

Click the 'More Details' link below for each accessory to read more about it.

Protect your Garmin GPSMAP 640 and accessories from scuffs and scrapes while carrying it in style with this deluxe carrying case. More Details

Garmin GPSMAP 640 Carrying Case - £27.48

This heavy duty cover fits the Garmin GPSMAP 640 unit snugly, protects screen from getting scratched and guards against the harsh rays of the sun. More Details

Garmin GPSMAP 640 Protective Cover - £12.99

Use the Garmin GPSMAP 640 swivel mounting bracket to mount, swivel and tilt your Garmin GPSMAP 640 to get the best viewing angle. More Details

Garmin GPSMAP 640 Marine Swivel Mounting Bracket - £14.99

Mount your Garmin GPSMAP 640 on your boat and hardwire directly to your boats power supply. Garmin GPSMAP 640 marine mount with power/data cable has swivel/tilt capabilities. The power/data cable is integrated into mounting bracket. More Details

Garmin GPSMAP 640 Marine Mount with Power,Data Cable - £76.99

Make it easier than ever to use your Garmin GPSMAP 640 while you drive. Place your Garmin GPSMAP 640 on your vehicles windshield with this automotive suction cup mount and take it on the road. This kit includes a portable friction mount, vehicle power cable with an integrated speaker for simple installation. More Details

Garmin GPSMAP 640 Automotove Mount with Vehicle Power Cable - £76.99

Mould the non-skid base to your vehicles dashboard, and the portable friction mount will hold your Garmin GPSMAP 640 securely in place as you drive. More Details

Garmin GPSMAP 640 Portable Friction Mount - £19.99

Power your Garmin GPSMAP 640 with this genuine Garmin replacement rechargeable lithium-ion battery pack. More Details

IMPORTANT: We can no longer use Royal Mail for delivery of this battery. We will ONLY send this item via a courier within mainland Great Britain. For islands and overseas; guaranteed next day a.m. or any Saturday services; please contact us for delivery cost.

Garmin GPSMAP 640 Li-ion Battery Pack - £69.99

For better GPS reception in vehicles with UV windscreens or discreet mounting, this new and improved remote antenna is the answer. The magnetic, waterproof GPS Antenna ensures optimal GPS reception. Supplied with over 8 feet of cable and MCX connector. More Details

Garmin GPSMAP 640 GA 25 MCX External GPS Antenna - £20.99

Need new maps, extra Points of Interest (POI), transfer waypoints, or the latest software updates? This spare USB cable connects your Garmin GPSMAP 640 directly to the computer for updates, maps, etc. More Details

Garmin GPSMAP 640 Mini USB Cable - £6.59

For mariners looking for a sleeker installation of the Garmin GPSMAP 640 at their helm, this flush mount kit is the answer. Users easily can flush mount their Garmin GPSMAP 640 to most flat surfaces such as a bulkhead or cabin wall. It features a tilt-n-lock fastening mechanism to firmly hold the unit in place while on the water. More Details

Garmin GPSMAP 640 Flush Mount Kit

This heavy duty cover fits the entire Garmin GPSMAP 640 Flush Mount Kit and Garmin GPSMAP 640 unit snugly, protecting it from the harsh marine environment.

Garmin GPSMAP 640 Flush Mount Protective Cover

Why buy from us?

We are official Internet Retailers of Garmin products and we sell genuine Garmin accessories and maps. We purchase from the Garmin UK distributor. 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.

Page last updated: 3rd May 2018


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 economy and premium delivery. Click here for further info. All options also appear at the basket pages.

Telephone Number:

01733 777623

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

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