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

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Popular Industrial Automation Products:

Winter 2024 & 2025 Q1 Developments in Industrial Automation - expanded product offering and diagnostic and repair services at YORK

Winter 2025 Update: Since December 2022 the supply chain strictures have fortunately eased, with less stress on product delivery due dates. Our teams at YORK 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 Sierra Instruments 840L-1-OV1-SK1-E-V1-S1-MP 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 Super-Electric products, including obsoleted and phased-out Red-Lion parts and systems, as well as the all-new for 2025 Skf product line-up. Starting Q1 2025 YORK is pleased to announce additional repair and rebuild services for the automation products made by industrial controls leader Super-Electric such as the SLOSYN2000 spares. Related to this we have added to our service line-up the ETMIX24880 manufactured by Red-Lion and we are pleased to be able to service most Red-Lion systems and parts. Due to increased demand we now feature 22311C by Manufacturer Skf as well.

York Scientific's New & Featured Automation Replacement Parts: Starting early January 2025 York has Robotica Brand 1300497 in stock, original and quality replacement parts available for immediate dispatch to meet your requirement for spare replacements. Spare units by Siemens such as HMIIPC677C equipment made by Siemens have been added to our featured items. As a tip, you can find the entire Siemens products line-up in our inventory by simply searching for "Siemens" in the search box. Additionally we have now also available 1002215 made by Sje-rhombus as well as the popular 80089A402 original spares produced by Silicon-Valey-Group

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 SLX5MSMDM1 by Sixnet and HMIIPC677C spares by Siemens are also now also our York Scientific's line-up of service offerings. This also includes the original E232DO24D Spares made by industrial controls and automation manufacturer Sixnet.