About This Unit

NC Servo provides repair and reconditioning for the MOOG 218-121. With in-house tooling and stocked parts, we keep turnaround times short.

About Our Shop

Unlike OEM shops, we use our own inventory to handle most rebuilds. That cuts down on lead time and gets your unit back faster.

Frequently Asked Questions

Yes. Our technicians can often identify units based on photos, dimensions, or manufacturer markings. Send a photo before shipping to speed up intake.

No cleaning required. Our repair process includes disassembly and cleaning of all components.

We recommend sending pictures, especially if the model number is unclear or there is visible damage.

Yes. Every unit goes through diagnostic testing and we provide an assessment before moving forward.

We can often prioritize urgent jobs. Note it on your request form and we’ll let you know what’s possible.

How We Rebuild This Valve

The repair process for the MOOG 218-121 includes disassembly, diagnostic review, and replacement of failed seals, spools, or other elements. Final assembly includes leak and function testing.

  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.
  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.
  • Complete Disassembly: The unit is disassembled and all parts are laid out for individual inspection.

Diagnostic Testing

We carry out full diagnostics on every valve, including flow gain, leakage, pressure shift, and frequency testing. Our test facility supports performance logging and report generation. Our functional testing verifies proper functionality.

Turnaround and Shipping

As a dedicated source for MOOG 218-121 services, NC Servo targets quick resolution with typical lead times of 1 to 3 weeks. Benefit from our direct access to our technicians to keep your systems running smoothly.

Maintenance Tips

  • Inspect MOOG 218-121 seals regularly to prevent leaks and maintain performance.
  • Check system pressure regularly to verify it stays within the MOOG 218-121 rated operating range.
  • Check valve alignment carefully to prevent undue stress on internal components.

Get a Free Evaluation for Your MOOG 218-121

Request pricing, availability, and turnaround for your MOOG 218-121. NC Servo provides hands-on repair with a 1-year warranty. Contact us to start your repair.

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NC Servo is an independent third-party repair facility. We are not affiliated with, endorsed by, sponsored by, or authorized by MOOG or any original equipment manufacturer (OEM), nor do we claim to be a MOOG service center. All brand names, trademarks, model numbers, and part numbers referenced on this page are the property of their respective owners and are used solely for identification and compatibility purposes.