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Train Control Systems KA1-C Keep Alive 1455

Marsoni M251S
Sale price$29.95
Pay 4 payments of $7.49 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Train Control Systems KA1-C Keep Alive 1455TCS Keep Alive (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work. Newly redesigned and coming in at half the size of a KA3, the KA1 will power HO or N scale locomotives with approximately one third of the capacitance of KA3 KA4 devices (depending on the locomotive and motor). This Keep Alive includes a 2 Pin Quick Connector Harness for attaching the KA to the decoder.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.7 ★★★★★
Based on 428 reviews
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Verified Purchase
A. Baidas
Birmingham, US
★★★★★ 5
Worth every penny
Great profuct. Exact fit. Comes with instructions. Took me about 6 minutes to take off the old ones and put the new ones in. Gave my 335i an aggressive look. Will definitely be buying more from this seller!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 11, 2019
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Verified Purchase
Neil
Whiting, US
★★★★★ 5
Perfect Fit
Very easy to install and looks great, the prefect addition
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 6, 2021
H
Verified Purchase
Hugo Cardenas
Alexandria, US
★★★★★ 5
Fits and looks good
Model: E46-4door, Size: Double Slats-Glossy Black
Fit great, looks good. Would recommend for e46
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Reviewed in the United States on April 17, 2026
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Verified Purchase
Prince
Belleville, US
★★★★★ 5
Product as described!
Product as described. Nice snug fit for the 325ci!
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Reviewed in the United States on December 8, 2025
K
Verified Purchase
Kevin
Battle Creek, US
★★★★★ 3
Doesn’t fit face lift sedan
Model: E46-4door, Size: Double Slats-Glossy Black
Did not fit 2004 330i sedan is a face lift looks nice
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Reviewed in the United States on May 9, 2026

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