Engineered for Powerful Performance.
BoldX delivers precision-manufactured components for diesel fuel systems, engines, and drivetrain systems—supporting OEMs with the quality, speed, and design collaboration that performance demands.
Precision That Drives the Industry
From heavy-duty diesel to high-efficiency hybrid platforms, BoldX helps leading vehicle and energy OEMs build smarter, cleaner, and more reliable engines.
We manufacture critical components for fuel injection, lubrication, cooling, and drive systems—backed by design-for-manufacturability (DFM) support and full production traceability.
Our U.S.-based facility is equipped for everything from prototyping to high-volume production, with Swiss-type and CNC machining, centerless grinding, and automated sub-assembly capabilities. Whether you're refining a next-gen fuel rail or scaling a fleet-ready system, BoldX gives you a manufacturing partner that’s responsive, scalable, and performance-obsessed.
We don't just machine parts—we help you optimize them for precision, durability, and cost-efficiency from the start.
Fuel Precision. Engineered Power.
BoldX provides high-performance components and assemblies for diesel, combustion, and energy systems—machined to tight tolerances and built to last.
- Swiss-type and CNC precision machining
- Centerless grinding and finishing
- Prototype, pilot, and high-volume production
- Application-specific coatings and surface treatments
- Automated sub-assembly options
- Design-for-manufacturing and engineering support
From injection to ignition, our components help power industries that never stop moving.
Built for Powertrain and Energy OEMs Who Need More Than a Vendor
Responsive. Reliable. Ready to Scale. BoldX partners with engine and energy system manufacturers at every stage of development—from concept to production ramp.
- Early-stage DFM collaboration to reduce complexity
- Short lead times and flexible production volumes
- Full traceability and quality documentation
- U.S.-based manufacturing for better supply chain control
- Streamlined vendor relationships with machining + assembly under one roof
Whether you’re building for the road, the field, or the grid, BoldX brings the discipline and drive your engine program needs to perform.
