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FANUC A16B-3200-0421 18I-B Split System Main Board Buy | Repair - Main front view - A16B32000421 For Sale

A16B-3200-0421 – CNC Main CPU Board

In stock
$510.00 USD
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Delivery: Estimated 2- 6 business days delivery. See details

Returns: 14 days returns. See details

All parts are covered by REACO CNC warranty

All parts are covered by REACO CNC warranty

Every part is carefully inspected and tested for reliability。

All parts tested under load

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tech support for CNC repair and parts.

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More than 150,000 parts in stock & ready for delivery

More than 100,000 parts in stock & ready for delivery

FANUC A16B-3200-0421 – CNC Main CPU Board for FANUC 18i-B Split-Type Controls

 

Brand FANUC
Condition & Warranty

NEW/Refurbished: 1-Year warranty

Used(90% New): 3-Month warranty

Category

PCBs

Parameter Description

A16B32000421
DISCONTINUED BY MANUFACTURER
PC BOARD
CPU BOARD
PCB - MAIN CPU (#18I/180I MODEL B)
MAIN CPU BOARD I B CONTROL
CNC

Handing time Same-Day shipping (in stock)
Shipping Method DHL/UPS/FedEx
Estimated Delivery Time (via DHL)

Asia: 1-3 business days

Europe: 2-4 business days

North America: 2-4 business days

South America:  3-6 business days

Middle East & Africa: 3-6 business days

Oceania: 2-5 business days

Service Test video will be sent before delivery
Package Cartons

 

The FANUC A16B-3200-0421 is the main CPU board used in FANUC 18i-B (and 180i Model B) split-type CNC control systems. This board functions as the core processing unit, handling CNC logic, system control, and communication between system modules.

Discontinued by the manufacturer, this CPU board is no longer supplied through official FANUC channels. Failures may result in CNC startup issues, system alarms, or complete control shutdown.

REACO CNC provide:

  • Fully tested used and refurbished CPU boards

  • Chip-level repair for 18i-B main boards

  • Functional verification before shipment

  • Cost-effective solutions for legacy FANUC CNC systems

This board is ideal for CNC system maintenance, retrofit, and long-term machine support.

Key Features

  • FANUC original CNC main CPU PCB

  • Compatible with 18i-B / 180i Model B systems

  • Split-type CNC control architecture

  • Handles CNC logic and system communication

  • Manufacturer discontinued – repair recommended

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Over 100,000 CNC Parts in Stock

With an extensive inventory of FANUC and Mitsubishi components, we ensure fast delivery and reliable replacements — minimizing your downtime.

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Fast Global Delivery

  • DHL, UPS, FedEx Global shipping.
  • Expedited shipping available
  • Packed in secure reinforced cartons for maximum protection during transport.
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Our experienced engineers provide technical support for all FANUC and Mitsubishi CNC parts — including troubleshooting, installation guidance, and repair consultation.

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