+ We stock a large inventory of Sti industrial automation systems and parts.
+ We repair, service and calibrate most Sti models of equipment.
+ We ship Sti replacement parts worldwide, with expedited shipping for your urgent Sti requirements


For immediate assistance click here for quick online help
or contact our Automation & Controls team:

Mr. Ryan Fitzgerald
Director, Industrial Automation & Controls Service Team
[email protected]
(212) 772-6992 ext. 704


Our staff at York Scientific is dedicated to help you succeed with all your mission-critical Sti Industrial Automation equipment needs.

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Popular Industrial Automation Products:

Winter 2022 & 2023 Q1 Developments in Industrial Automation - expanded product offering and diagnostic and repair services at York MRO

Winter 2023 Update: Since December 2022 the supply chain strictures have fortunately eased, with less stress on product delivery due dates. Our teams at York MRO have been able to ramp up our service response times with expedited shipment schedules back to normal, providing replacement parts and services following normal response times. Our departments are now working on near-normal production levels and our delivery and service schedules back to regular operation levels. In addition to the Sti 42672-0080/MS4308BR parts and service support, we have been able to add new lines of product and service:

Expanded Service and Repair Support for New Product Lines: We offer full support for discontinued Sti products, including obsoleted and phased-out Sunx parts and systems, as well as the all-new for 2023 Sunx product line-up. Starting Q1 2023 York MRO is pleased to announce additional repair and rebuild services for the automation products made by industrial controls leader Sti such as the MS4620350RFN spares. Related to this we have added to our service line-up the LAA1 manufactured by Sunx and we are pleased to be able to service most Sunx systems and parts. Due to increased demand we now feature FX5A3G by Manufacturer Sunx as well.

York Scientific's New & Featured Automation Replacement Parts: Starting early January 2023 York has Sti Brand MS4460B2 in stock, original and quality replacement parts available for immediate dispatch to meet your requirement for spare replacements. Spare units by Sti such as 427320280427330280 equipment made by Sti have been added to our featured items. As a tip, you can find the entire Sti products line-up in our inventory by simply searching for "Sti" in the search box. Additionally we have now also available PA462600Q2X made by Sti as well as the popular 427320480 original spares produced by Sti

Servo Motors, Spindles, and Electric Motors Rewinding and Rebuilding. We have expanded capacity at our service centers to do complete overhauls of industrial electric motors and spindles. Refurbishment processes are held to stringent QA standards to adhere to or exceed manufacturer's specifications. Overhauls include motor bearing replacement, stator rewinding, and rebalancing. Additional overhaul and rebuilding capabilities of products such as the MS4432R by Sti and 427320280427330280 spares by Sti are also now also our York Scientific's line-up of service offerings. This also includes the original LEI250300 Spares made by industrial controls and automation manufacturer Sumtak.