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CDI CDI MEDS Upgrade to MEFI #531-0119I 4 $850.00 $1,013.47
CDI 531-0119I 4 Diagnostic SoftwareCDI MEDS Upgrade to MEFI #531-0119I 4Normalized SKU: 5310119I4UPC Code: 736983856043
-17% sale
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Teleflex Teleflex EST Display Setup Tool for i6800/i7700 Series Control #EPSK1207 $1,132.94 $1,359.53
Teleflex EPSK1207 Diagnostic SoftwareTeleflex EST Display Setup Tool for i6800/i7700 Series Control #EPSK1207Normalized SKU: EPSK1207UPC Code: 731957920492
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CDI CDI MEDS Mercury/Yamaha/MEFI 1-4 #531-0200T4 $3,687.50
CDI 531-0200T4 Diagnostic SoftwareM.E.D.S. Check Report makes you money. Customizable and comprehensive engine history report. The M.E.D.S. Check Report allows you to run a full diagnostic test on your customer’s engine and present them with a comprehensive report detailing everything from the number of hours on their engine to the last time they did an oil change. You can upload your company logo to M.E.D.S. and have it appear in the upper left hand corner of your M.E.D.S. Check Report. Works on Microsoft PC Laptops, Windows Tablets and Microsoft’s Surface Tablets. With M.E.D.S. you are not bound to a small, expensive to replace, handheld device. Our software works on any PC laptop running Windows 10 Operating System. Recommended Computer System Requirements: Windows 10 Operating System / Intel I5 Dual Core processor @2.5 Ghz or greaterRecommended I7 Quad Core @ 2.5 Ghz or greater / USB 2.0 or USB 3.0 Port / 10 GByte of Free Hard Disk Space, Recommended 50 GBytes or greater / 2 GByte of RAM, Recommended 6 GBytes or greater / Tablets running Windows 10 with a USB port (Note: Windows 8 RT will not work with M.E.D.S.). Processor must be I5 Dual Core @ 2.5 Ghz or better / Screen Resolution of 1360×768 or higher. For best results, the Windows display DPI resolution should be configured at standard 96 DPI or higher. Some controls may not be visible or look distorted at nonstandard DPI settings. Customizable and comprehensive engine history report Run a full diagnostic test on your customer’s engine Create a comprehensive report detailing everything from the number of hours on the engine to the last time the oil was changed Portable, simple-to-use interface Normalized SKU: 5310200T4UPC Code: 736983861382
Sold out -20% sale
CDI Qualifies for Free Shipping CDI MEDS Upgrade Version 9.0 Software #531-0119U
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CDI CDI MEDS Upgrade Version 9.0 Software #531-0119U $354.22 $442.11
CDI 531-0119U Diagnostic SoftwareUpgrade your current MEDS software to add on additional engine brands. DROP SHIPPED DIRECT FROM FACTORY, FREIGHT NOT ALLOWED.Normalized SKU: 5310119UUPC Code: 736983856012
Sold out -11% sale
CDI Not Qualified for Free Shipping CDI MEDS Mercury/Yamaha/BRP/Suzuki/Honda MEFI Canbus #531-0500T1
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CDI CDI MEDS Mercury/Yamaha/BRP/Suzuki/Honda MEFI Canbus #531-0500T1 $6,500.00 $7,280.00
CDI 531-0500T1 Diagnostic Software M.E.D.S. Standard Bundle Includes Mercury, Yamaha, Johnson/Evinrude, Suzuki, Honda, MEFI 1-4 Replaces: 531-0500T Normalized SKU: 5310500T1UPC Code: 736983860286
Sold out -11% sale
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CDI CDI MEDS Marine Engine Diagnostics System Bundle #531-0118T2 $4,185.00 $4,687.20
CDI 531-0118T2 Diagnostic SoftwareJohnson and Evinrude spark plug wires.Normalized SKU: 5310118T2UPC Code: 736983856814
-20% sale
Digital Yacht Qualifies for Free Shipping Digital Yacht Navdoctor NMEA Network Diagnostic Tool #ZDIGNAVDOC
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Digital Yacht Digital Yacht Navdoctor NMEA Network Diagnostic Tool #ZDIGNAVDOC $463.76 $578.83
Digital Yacht ZDIGNAVDOC Diagnostic SoftwareNAVDoctor NMEA Network Diagnostic ToolNMEA 2000 networks are used extensively for interfacing marine electronic products. It’s based on a robust Canbusarchitecture, but one bad device, cable or termination can have a detrimental effect on performance. Fault finding can be time consuming and tricky.NAVDoctoris a portable NMEA 2000 network diagnostic tool/tester which quickly allows you to check and diagnose the NMEA 2000 network. It combines the functionality of existing NMEA 2000 display programs and test equipment into a single, cost effective, simple plug ‘n play box.It’s self powered from the network and creates a local wifipoint for a mobile phone, tablet or PC to connect. Once connected, you simply access functions through a web browser so there’s no complicated software to install.NAVDoctoris an essential tool for every marine electronics technician or installer and alsooffers the capability of printing a network health check certificate to validate an installation and improve customer service.Features: No special Apps or software required –built-in web interface Works on any mobile device; iOS, Android, Windows, Mac, etc Connect wirelessly and view data through a web browser Lists all devices on the network Displays all PGNs on the network Drill down into a particular PGN and decode/display its data Display and log the RAW NMEA 2000 data Check the network health, voltages, bus load, error frames, etc. Normalized SKU: ZDIGNAVDOCUPC Code: 703791696192
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CDI M.E.D.S. Upgrade/Add-On CANBus Engines #531-0119I5
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CDI CDI M.E.D.S. Upgrade/Add-On CANBus Engines #531-0119I5 $850.00
CDI 531-0119I5 Diagnostic SoftwareM.E.D.S. is an easy-to-use, yet sophisticated software program specifically designed for troubleshooting multiple marine engines. Using M.E.D.S. you can easily collect engine data, determine active faults, run engine tests and efficiently diagnose problems. M.E.D.S. helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop. M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10. M.E.D.S. is an easy-to-use software program specifically designed for troubleshooting multiple marine engines Collect engine data, determine active faults, run engine tests and efficiently diagnose problems Helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10 Compatible engine platform: CANBus Engines Normalized SKU: 5310119I5UPC Code: 736983856050
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CDI M.E.D.S. Upgrade/Add-On MEFI 1-4 Gas Inboards #531-0119I4
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CDI CDI M.E.D.S. Upgrade/Add-On MEFI 1-4 Gas Inboards #531-0119I4 $850.00
CDI 531-0119I4 Diagnostic SoftwareM.E.D.S. is an easy-to-use, yet sophisticated software program specifically designed for troubleshooting multiple marine engines. Using M.E.D.S. you can easily collect engine data, determine active faults, run engine tests and efficiently diagnose problems. M.E.D.S. helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop. M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10. M.E.D.S. is an easy-to-use software program specifically designed for troubleshooting multiple marine engines Collect engine data, determine active faults, run engine tests and efficiently diagnose problems Helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10 Compatible engine platform: MEFI 1-4 Gas Inboards Normalized SKU: 5310119I4UPC Code: 736983856043
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CDI M.E.D.S. Upgrade/Add-On Honda/Tohatsu #531-0119H
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CDI CDI M.E.D.S. Upgrade/Add-On Honda/Tohatsu #531-0119H $850.00
CDI 531-0119H Diagnostic SoftwareM.E.D.S. is an easy-to-use, yet sophisticated software program specifically designed for troubleshooting multiple marine engines. Using M.E.D.S. you can easily collect engine data, determine active faults, run engine tests and efficiently diagnose problems. M.E.D.S. helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop. M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10. M.E.D.S. is an easy-to-use software program specifically designed for troubleshooting multiple marine engines Collect engine data, determine active faults, run engine tests and efficiently diagnose problems Helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10 Compatible engine platform: Honda / Tohatsu Normalized SKU: 5310119HUPC Code: 736983858986
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CDI M.E.D.S. Diagnostic System MEFI 1-4 #531-0118I4
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CDI CDI M.E.D.S. Diagnostic System MEFI 1-4 #531-0118I4 $1,625.00
CDI 531-0118I4 Diagnostic SoftwareM.E.D.S. is an easy-to-use, yet sophisticated software program specifically designed for troubleshooting multiple marine engines. Using M.E.D.S. you can easily collect engine data, determine active faults, run engine tests and efficiently diagnose problems. M.E.D.S. helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop. M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10. M.E.D.S. is an easy-to-use software program specifically designed for troubleshooting multiple marine engines Collect engine data, determine active faults, run engine tests and efficiently diagnose problems Helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10 Compatible engine platform: MEFI 1-4 Gas Inboards Normalized SKU: 5310118I4UPC Code: 736983855923
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CDI M.E.D.S. Diagnostic System Volvo Penta #531-0118V
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CDI CDI M.E.D.S. Diagnostic System Volvo Penta #531-0118V $1,625.00
CDI 531-0118V Diagnostic SoftwareM.E.D.S. is an easy-to-use, yet sophisticated software program specifically designed for troubleshooting multiple marine engines. Using M.E.D.S. you can easily collect engine data, determine active faults, run engine tests and efficiently diagnose problems. M.E.D.S. helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop. M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10. M.E.D.S. is an easy-to-use software program specifically designed for troubleshooting multiple marine engines Collect engine data, determine active faults, run engine tests and efficiently diagnose problems Helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10 Compatible engine platform: Volvo Penta Diesel Normalized SKU: 5310118VUPC Code: 736983858993
Sold out -17% sale
Sierra Qualifies for Free Shipping Sierra Master Cable 20' #18-ADC300E
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Sierra Sierra Master Cable 20' #18-ADC300E $28.99 $34.60
Sierra 18-ADC300E Diagnostic Software Size: 20' or 3mNormalized SKU: 18ADC300EUPC Code: 808282315290
Sold out -18% sale
CDI Qualifies for Free Shipping CDI M.E.D.S. Upgrade Sea Doo #531-0119SD
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CDI CDI M.E.D.S. Upgrade Sea Doo #531-0119SD $870.40 $1,054.00
CDI 531-0119SD Diagnostic SoftwareCDI Electronics 531-0119SD M.E.D.S. is an easy-to-use, yet sophisticated software program specifically designed for troubleshooting multiple marine engines. Using M.E.D.S. you can easily collect engine data, determine active faults, run engine tests and efficiently diagnose problems. M.E.D.S. helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop. M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10. Sea Doo (Rotax) Upgrade Must have tool for boat owners Designed for quick and simple installation Refer to manufacturer instructions for proper and full usage Normalized SKU: 5310119SDUPC Code: 736983860972
Sold out -4% sale
CDI Qualifies for Free Shipping CDI M.E.D.S. Upgrade/Add-On Volvo Penta Diesel #531-0119V
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CDI CDI M.E.D.S. Upgrade/Add-On Volvo Penta Diesel #531-0119V $850.00 $878.34
CDI 531-0119V Diagnostic SoftwareM.E.D.S. is an easy-to-use, yet sophisticated software program specifically designed for troubleshooting multiple marine engines. Using M.E.D.S. you can easily collect engine data, determine active faults, run engine tests and efficiently diagnose problems. M.E.D.S. helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop. M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10. M.E.D.S. is an easy-to-use software program specifically designed for troubleshooting multiple marine engines Collect engine data, determine active faults, run engine tests and efficiently diagnose problems Helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10 Compatible engine platform: Volvo Penta Diesel Normalized SKU: 5310119VUPC Code: 736983858962
Sold out -18% sale
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CDI CDI M.E.D.S. MEFI 1-4 Upgrade #531-011914 $757.25 $916.98
CDI 531-011914 Diagnostic SoftwareM.E.D.S. is an easy-to-use, yet sophisticated software program specifically designed for troubleshooting multiple marine engines. Using M.E.D.S. you can easily collect engine data, determine active faults, run engine tests and efficiently diagnose problems. M.E.D.S. helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop. M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10. M.E.D.S. is an easy-to-use software program specifically designed for troubleshooting multiple marine engines Collect engine data, determine active faults, run engine tests and efficiently diagnose problems Helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10 Compatible engine platform: Suzuki Normalized SKU: 531011914
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CDI CDI M.E.D.S. Marine Engine Diagnostic System Canbus #531-0118I5 $1,625.00
CDI 531-0118I5 Diagnostic SoftwareM.E.D.S. is an easy-to-use, yet sophisticated software program specifically designed for troubleshooting multiple marine engines. Using M.E.D.S. you can easily collect engine data, determine active faults, run engine tests and efficiently diagnose problems. M.E.D.S. helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop. M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10. M.E.D.S. is an easy-to-use software program specifically designed for troubleshooting multiple marine engines Collect engine data, determine active faults, run engine tests and efficiently diagnose problems Helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10 Compatible engine platform: CANBus Normalized SKU: 5310118I5UPC Code: 736983855930
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CDI Qualifies for Free Shipping CDI M.E.D.S. Seadoo #531-0118SD
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CDI CDI M.E.D.S. Seadoo #531-0118SD $1,625.00
CDI 531-0118SD Diagnostic SoftwareM.E.D.S. is an easy-to-use, yet sophisticated software program specifically designed for troubleshooting multiple marine engines. Using M.E.D.S. you can easily collect engine data, determine active faults, run engine tests and efficiently diagnose problems. M.E.D.S. helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop. M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10. M.E.D.S. is an easy-to-use software program specifically designed for troubleshooting multiple marine engines Collect engine data, determine active faults, run engine tests and efficiently diagnose problems Helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10 Compatible engine platform: Mercury (w/o G3) Normalized SKU: 5310118SDUPC Code: 736983860965
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CDI Qualifies for Free Shipping CDI M.E.D.S. Marine Engine Diagnostic System Honda/Tohatsu #531-0118H
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CDI CDI M.E.D.S. Marine Engine Diagnostic System Honda/Tohatsu #531-0118H $1,625.00
CDI 531-0118H Diagnostic SoftwareM.E.D.S. is an easy-to-use, yet sophisticated software program specifically designed for troubleshooting multiple marine engines. Using M.E.D.S. you can easily collect engine data, determine active faults, run engine tests and efficiently diagnose problems. M.E.D.S. helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop. M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10. M.E.D.S. is an easy-to-use software program specifically designed for troubleshooting multiple marine engines Collect engine data, determine active faults, run engine tests and efficiently diagnose problems Helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10 Compatible engine platform: Hondo / Tohatsu Normalized SKU: 5310118HUPC Code: 736983858979
Sold out -14% sale
CDI M.E.D.S. Canbus Engines #531-011815
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CDI CDI M.E.D.S. Canbus Engines #531-011815 $1,637.84 $1,899.89
CDI 531-011815 Diagnostic SoftwareM.E.D.S. is an easy-to-use, yet sophisticated software program specifically designed for troubleshooting multiple marine engines. Using M.E.D.S. you can easily collect engine data, determine active faults, run engine tests and efficiently diagnose problems. M.E.D.S. helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop. M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10. M.E.D.S. is an easy-to-use software program specifically designed for troubleshooting multiple marine engines Collect engine data, determine active faults, run engine tests and efficiently diagnose problems Helps reduce debug time, improve diagnostic accuracy, print pre-packaged diagnostic reports and make more money for your shop M.E.D.S. works on any PC, Laptop or Tablet running Windows 7, 8.1 or 10 Compatible engine platform: Suzuki Normalized SKU: 531011815

Frequently Asked Questions

First Choice Marine is an online marine retailer carrying a diverse line of marine parts and accessories and related items from industry-respected and demanded manufacturers and suppliers. Through our diverse distributor network, we are able to access over 150,000 items, including our current site inventory, new products being added, and special order items. If you need it on your boat... we are your one-stop shop!

Yes, we offer FREE Shipping on most orders over $149 to US-48*.

Each product displays a shipping status message, just above the item price. Below is the meaning for each of these codes.

  • Qualifies for Free Shipping: This item qualifies for free shipping when the order is $149+
  • Qualifies for Free Ground Shipping: This item qualifies for free ground shipping when the order is $149+.
  • Oversized - Not Qualified for Free Shipping: This item is too large/heavy to qualify for free shipping
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  • In-Store Pickup Only: This item can only be picked up in our Grain Valley, MO retail store

Below the price of the item, on the product page, there is a message indicating the availability of the product.

The quantity on hand is updated as inventory events happen and matches what we have available. If you have urgent needs and we are close to what you need, contact us, and we can confirm stock.

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If you need to return an item, please follow the guidelines here so we can process a prompt refund and assist you in finding the correct item.

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