Zechu Seating | Engineered OEM Seating Platforms & Custom Tooling

Custom Replacement Parts & Reverse Engineering for Office Chairs

We develop replacement components for discontinued, hard-to-source, or non-standard office chair parts, from reverse engineering to prototype development and manufacturing.

Custom Replacement Parts & Reverse Engineering

Custom replacement components developed from physical samples, existing parts or technical drawings—particularly when standard replacement parts are unavailable or do not meet the required specifications. Components: Tilt Mechanisms · Mounting Plates · Gas Lifts · Armrest Assemblies · Casters——Learn more

high end executive ergonomic office chair

Aftermarket Replacement Parts for Selected Office Chair Brands

Independently developed aftermarket replacement components for selected models from leading office chair brands. Brands: Herman Miller · Steelcase · Haworth · Humanscale · Knoll · Okamura · HÅG · Wilkhahn Independent aftermarket parts, not OEM products. Compatibility must be confirmed for the specific chair model and component specifications.——Learn more

When a Missing Part Holds Up a Refurbishment

A chair may still be worth repairing. But what happens when the replacement part is unavailable, used parts are in short supply, or standard replacements don’t fit?

What if the original component has been discontinued or is difficult to source?

When the original part cannot be obtained, reverse engineering may provide a starting point for developing a replacement from an existing component, physical sample or available technical information.

 

What if dismantled parts are available, but not in sufficient quantities or consistent condition?

For ongoing refurbishment work, custom manufacturing may offer a repeatable supply option when used parts cannot reliably meet demand.

 
 
3. Standard Replacements Don’t Fit

What if an off-the-shelf component has the wrong dimensions, mounting points or mechanical specifications?

A custom-developed replacement can be designed around the specific component requirements, subject to technical feasibility and verification.

A Different Route to Replacement

When an original part is unavailable, used parts cannot meet demand, or standard replacements don’t fit, custom reverse engineering offers another route to consider.

We start with the component you need to replace.

Using an existing part, physical sample, technical drawing or available specifications, we assess the design requirements and develop a replacement component for prototype evaluation and manufacturing.

The goal is not simply to reproduce a part. It is to determine whether a workable replacement can be developed within your technical requirements and commercial limits.

Understand the part
Identify critical dimensions, mounting interfaces and functional requirements.


Develop a replacement
Create or refine the technical design around the requirements of the original assembly.


Evaluate commercial feasibility
Consider expected quantities, tooling, prototyping and manufacturing costs before moving forward.

From Existing Parts to Replacement Solutions

Each project starts with understanding the original component, its critical dimensions and mounting interfaces, and the requirements for its replacement.

01

Identify the Requirements

Review the existing part, physical sample, technical drawing or available specifications to establish the replacement requirements.

02

Develop the Design

Assess critical dimensions, mounting interfaces and structural requirements, then create or refine the technical drawing.

03

Coordinate Prototyping and Manufacturing

Coordinate prototype development and production against the confirmed drawing and agreed specifications.

04

Check Dimensions and Interfaces

Check agreed dimensions and installation interfaces against the confirmed requirements before delivery.

Looking for a Custom Replacement Solution?

Whether you’re dealing with discontinued parts, hard-to-source components or replacement needs that standard parts can’t meet, let’s discuss what might work for your business.

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