Golden Piston

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Golden Piston

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About Us

We are Engineers

We provide premium diesel repair and maintenance services engineered for maximum performance, reliability, and longevity. Serving owner-operators, fleet managers, contractors, and equipment owners, our shop is staffed by certified engineers with advanced technical expertise. Our team holds professional recognitions and specialized training from Kenworth, Cummins, Eaton, Bendix, Freightliner, and more, allowing us to diagnose with precision, repair with purpose, and deliver results that exceed standard repair practices.
 

Engineering-Led Expertise

Our technicians are formally trained engineers with advanced technical backgrounds in diesel engines, powertrain systems, and vehicle electronics. This engineering foundation allows us to identify root causes, not just symptoms, and deliver solutions that outperform standard repair practices.

Our team holds professional training and industry recognitions from:

  • Kenworth
  • Cummins
  • Eaton
  • Bendix
  • Freightliner
  • and other leading OEMs
     

This depth of expertise enables us to service complex diesel systems with precision and confidence across trucks, heavy equipment, and marine applications.

What We Work On

We engineer solutions for diesel-powered equipment across multiple industries, including:


  • Semi Trucks & Commercial Fleets
  • Heavy Equipment (construction and agricultural machinery)
  • Marine Diesel Engines
  • Specialty and High-Demand Applications
     

Whether supporting a single owner-operator or an entire fleet, we apply the same engineering standards to every job.

Our Philosophy:

We believe diesel repair should be:


  • Analytical, not reactive
  • Precision-driven, not guesswork
  • Built for longevity, not short-term fixes
     

Every service we perform is guided by engineering principles, OEM standards, and a commitment to delivering measurable performance improvements.

Mission & Vision

Our Mission

Our Mission

Our Mission

Our mission is to deliver engineering-driven diesel repair and maintenance that maximizes performance, reliability, and equipment lifespan. We exist to replace guesswork with analysis, shortcuts with precision, and routine repairs with solutions built to last.

Every service we perform is guided by engineering principles, OEM standards, and a commitment to measurable results.

Our Vision

Our Mission

Our Mission

Our vision is to redefine diesel repair by setting a higher industry standard where engineers lead the work, data drives decisions, and equipment owners receive service rooted in expertise, accountability, and long-term performance.

We aim to be the trusted engineering partner for fleets, contractors, and operators who demand more than basic repair.

Why Engineering Matters

Most diesel repair shops focus on replacing parts. We focus on understanding systems.

Modern diesel engines and powertrains are highly integrated systems involving electronics, emissions, software, mechanical components, and performance variables. Without engineering expertise, problems are often treated at the surface level—leading to repeat failures, unnecessary downtime, and rising costs.

Our engineers approach diesel repair differently.

We analyze failures at their root cause, evaluate system interactions, and apply OEM-aligned methodologies to ensure every repair is technically sound and performance-driven. This allows us to:


  • Diagnose issues faster and more accurately
  • Prevent repeat failures
  • Extend engine and component life
  • Deliver consistent, long-term reliability
     

Engineering matters because precision matters. When your equipment is essential to your operation, it deserves more than routine repair—it deserves engineered solutions built for real-world demands.

Golden Piston

Our Commitment

We are committed to engineering-driven diesel service built on precision, accountability, and long-term performance. No shortcuts. No guesswork. Just results you can rely on. This is not standard diesel repair. This is engineering you can rely on.

Golden Piston

237 Leo Ave, San Jose, CA 95112

+1 (669) 366 - 9149

Copyright © 2026 Golden Piston - All Rights Reserved.

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