Skip to content

ESU JST Adapter Board (51954) | 21 MTC to 9-pin JST (for Athearn/Others)

Marsoni M251S
Sale price$12.99
Pay 4 payments of $3.25 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
ESU JST Adapter Board (51954) | 21 MTC to 9-pin JST (for Athearn/Others)Perfect for Athearn (and others) this new 9 pin (female) 21MTC (Male) adaptor board allows the popular 6 output ESU 21 MTC LokSound and LokPilot decoders to be easily added to your favorite locomotive. More Functions More and more locomotives now have front and rear headlights and front and rear flashing ditch lights. In order to accommodate for this in DCC 6 function outputs need to be used. As 8 and 9 pin DCC plugs only allow for 3 and 4 outputs
Easy Shipping

Quick Dispatch:

Your ESU JST Adapter Board (51954) | 21 MTC to 9-pin JST (for Athearn/Others) orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your ESU JST Adapter Board (51954) | 21 MTC to 9-pin JST (for Athearn/Others) ships.

Need Help?
Questions about ESU JST Adapter Board (51954) | 21 MTC to 9-pin JST (for Athearn/Others), sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for ESU JST Adapter Board (51954) | 21 MTC to 9-pin JST (for Athearn/Others) in your area.

Get Shipping Estimates

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 1366 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
S
Verified Purchase
Sandro Flores Guerrero
Draper, US
★★★★★ 5
Todo excelente
Style: Alpha TT 25
Excelente
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
B
Verified Purchase
BB #45
Lowell, US
★★★★★ 5
Best collar for hunting.
Style: Alpha TT 25
My dog uses this everyday. Nothing beats this collar for location, and training. This is the best collar for hunting.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 9, 2026
R
Verified Purchase
Rebecca Nipper
Boise, US
★★★★★ 5
Very pleased
Style: Alpha TT 25
My husband uses his garmin collar all the time. Works great and holds charge for several hours. He is very pleased with tracking distance.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 27, 2025
S
Verified Purchase
Stephen H.
Dallas, US
★★★★★ 5
Links up easily
Style: Alpha TT 25
Love it and love the new charger connection
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
M
Verified Purchase
Mitch
San Leandro, US
★★★★★ 5
Adaptable to any dog
Style: Alpha TT 25
Fully scaleable from antenna to GPS unit. Holds charge well and durable. Could be cheaper.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 16, 2025

recommand products