Contact
Search
CAPABILITIES / PARTS

CONTROLS

Stay in Control with the Leading Controls Circuit Card Repair, Testing, and Parts Supplier

Whether you’re in power and oil, gas, marine, wind, or hydro, our experts have control repair, testing, and parts ready when you need them.

You get:

  • The control circuit card components you want, repaired and tested, when and where you want them
  • Access to a wide inventory of parts in new, refurbished, or repair conditions, backed by industry-best warranties
  • A reliable OEM alternative without OEM delays, multi-layer approvals, or high costs
  • Dependable customer support from a team of highly responsive parts experts.

Don’t let a missing or broken circuit card part disrupt your operation. Turn to AP4 and see why we’re the worldwide leader in power plant controls, trusted by Fortune and Global 500 companies.

get what you need now

OR CALL: +1-914-693-0830

OR CALL:  +1-914-693-0830

Quickly get replacement and spare parts for discontinued, obsolete, or legacy systems.

Shop the Largest Inventory of the Rarest Parts

Find what you need. Search our store for parts for ABB™, Alstom™, Bently Nevada™, Emerson™, GE™, Honeywell™, Rolls Entronic™, Siemens™, Triconex, Westinghouse™, and Woodward™ control systems.

Search and shop
A man in a blue jacket and white hat is operating a machine.
A man in a blue jacket and helmet is focused on his computer, diligently working on his tasks.

20+ Years of Delivering Control System Parts Worldwide

  • Since 2001
  • 85 countries
  • 1K+ control system parts clients
  • 20,000+ repaired control parts
  • < 1% return rate
  • 6 global field offices
Find out more

Parts are only part of the AP4 story.

Check out our Control System Repair Services.

TESTIMONIALS

Highly Responsive. Deeply Experienced. Widely Trusted.
“They have been our vendor since 2015, supplying and repairing goods to the highest level of satisfaction.”
AMIT K.S.
“I am very appreciative of them for supporting one of our customers during the holiday season. They were ready to provide technical support without any hesitation.”
LAWRENCE G.
“Due to their quality and price, they have become the preferred provider for maintaining our GE Speedtronic Mark V Controls System.”
TIMOTHY H.
Previous
Next

COMPANY

CAPABILITIES

Parts
– Turbine
– Outage in a Box®
– Controls

Services
– Gas & Steam Turbine
– Turbine Controls
– Electrical & Instrumentation

Repairs
– Controls
– Accessories & Auxiliary Components

Cybersecurity

MARKETS

CAREERS

CONTACT

CONNECT WITH US!

Search

© 2024 AP4 Group, LLC. All rights reserved. GTC, AP+M, HUGHES Technical Services, TC&E, Maine Automation, AP4, and LOGOs are trademarks of AP4 Group, LLC. Designated trademarks, brand names, and brands appearing herein are the property of their respective owner. AP4 Group is not affiliated with nor sponsored by any manufacturers, brands, or products unless specifically noted.

You are now being redirected to a subsidiary, affiliate, or third-party website.

Accept

You are now being redirected to a subsidiary, affiliate, or third-party website.

Accept

You are now being redirected to a subsidiary, affiliate, or third-party website.

Accept