Recalls › Japan › Maruyama YDN-B204A

Maruyama YDN-B204A — recall

Automotive · Japan · 2026-04-24

Origin: 日本

Maruyama alternator design insufficient, power generation decreases, engine may not restart

Country	Japan
Category	Automotive
Published	2026-04-24
Country of origin	日本
Manufacturer	Maruyama
Models affected	YDN-B204A
Units affected	67
Defect	1. Regarding the electrical system, due to insufficient design consideration of the alternator, power generation performance may decrease due to increased power consumption and heat, leading to insufficient battery charging. Consequently, there is a risk that the engine may not be able to restart after being stopped.
Component	Alternator
Recall type	Vehicle
Remedy	1. For all affected vehicles, the alternator and charging wiring will be replaced with improved parts.
Recall number	57931
Official notice	View source ↗

What this means for sellers

Likely platform / channel actions	OEMs/dealers will run the remedy (repair, replace or refund); component suppliers in the chain may face traceback.
Self-check for comparable products	Check your comparable products' design, materials and QC records against the defect described here.
Rules & standards likely involved	the destination market's product-safety rules and mandatory standards

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