


Train Control Systems KA4 Keep Alive 1668
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Train Control Systems KA4 Keep Alive 1668TCS Keep Alive (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work. The KA4 will power an HO Scale locomotive with headlights on for approximately 6 to 20 seconds (depending on the locomotive and the efficiency of the motor). This Keep Alive includes a Blue and a Black w White Stripe wire to attach it to a decoder. Dimensions: . 52 x . 52 x . 45 or 13. 22mm x 13. 22mm x 11.
Quick Dispatch:
Your Train Control Systems KA4 Keep Alive 1668 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 Train Control Systems KA4 Keep Alive 1668 ships.
Need Help?
Questions about Train Control Systems KA4 Keep Alive 1668, 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 Train Control Systems KA4 Keep Alive 1668 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
You may also like
4.5 ★★★★★
Based on 1090 reviews
Sort
Product Reviews
★★★★★ 5
Fixed my over temp warning issue.
Easy to change and work like new. No more over temp warning at idle.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 9, 2025
★★★★★ 5
Outboard thermostat
Works fine. A little pricey but better to buy the best than risk a cheap failure and destroy your engine like i did once.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
★★★★★ 5
Good
Good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026
★★★★★ 5
Works as it should
Works as it should
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
★★★★★ 4
Four Stars
Just what I needed
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 14, 2016