KFAS: Fanuc CNC Parts, Service, & Repair

       

A20B-8100-0137 for 21iA
A20B-8100-0137   

A20B-8100-0137

Ensure smooth and uninterrupted CNC operations with the FANUC A20B-8100-0137 Main CPU Board. This authentic FANUC component is designed for high-performance processing within FANUC CNC control systems, delivering precision, speed, and long-term reliability. Whether you’re replacing a failed board or performing preventative maintenance, this fully tested unit provides a cost-effective solution to minimize downtime and maximize productivity.

✅ Original FANUC OEM board – not a third-party replica
✅ Ideal for CNC repair, maintenance, or retrofit projects
✅ Rigorously tested for performance and durability
✅ Fast shipping and dedicated support available

Trusted by machine shops and industrial automation professionals worldwide, the A20B-8100-0137 is your reliable choice for CNC controller repairs and upgrades.

Fanuc 16i-A/ 18i-A/ 21i-A Description Manual B-63002EN

Fanuc 16i-A/ 18i-A/ 21i-A Maintenance Manual B-63005EN

Fanuc 16i-MA/ 18i-MA/ 21i-MA Operator's Manual B-63014EN

Fanuc 16i-TA/ 18i-TA/ 21i-TA Operator's Manual B-63004EN

Fanuc 16i-A/18i-A/ 21i-A Parameter Manual B-63010EN

Fanuc 16i-A/ 18i-A/ 21i-A Hardware Connection Manual B-63003EN