Business Details
Expert Marine Diesel Repair Services in Long Beach
Signet Marine has been a trusted provider of marine diesel services and technical repairs for decades. Our expertise lies in maintaining and repairing older diesel engines, particularly those 40-50 years old, which require specialized knowledge and parts no longer in production. We operate from our new location at the front office of Cabrillo Boat Shop in Long Beach, California, offering expanded services to the Southern California yachting community. Our mobile marine diesel service covers the upper Cabrillo Marinas and Los Angeles/Long Beach Harbors, ensuring accessibility for boat owners. Beyond engine work, we provide comprehensive mechanical maintenance and repairs for pumps, 12-volt electrical systems, instrumentation, and general marine systems onboard.Our commitment to quality is reflected in our in-house manufacturing of instruments, sensors, and components, allowing us to maintain inventory and handle special projects. We specialize in upgrading older Signet systems with modern, compatible instruments while preserving existing infrastructure. Our Hall Effect Speed Sensor (Blue Top) is recognized as the most linear sensor on the market, trusted by professionals for its reliability and precision.
Services
Diesel Engine Repair
Marine Electrical Systems
Instrument Upgrades
Mobile Marine Service
Sensor Calibration
Pump Maintenance
Thru-Hull Installations
Electrical Troubleshooting
System Diagnostics
Technical Documentation
Highlights and features
- We specialize in repairing 40-50 year old diesel engines with obsolete parts.
- Our mobile service covers Los Angeles/Long Beach Harbors and Cabrillo Marinas.
- We manufacture replacement instruments and sensors in-house for legacy systems.
- Hall Effect Speed Sensor (Blue Top) offers unmatched calibration accuracy.
- Comprehensive maintenance for electrical systems, pumps, and marine instrumentation.
Services
Diesel Engine Repair
Specialized repair and maintenance for marine diesel engines, particularly 40-50 year old models with obsolete components. Our technicians utilize in-house manufactured parts and modern diagnostic tools to restore engine performance while preserving original system integrity.
Marine Electrical Systems
Comprehensive maintenance and repair of 12-volt electrical systems onboard vessels. We address wiring issues, power distribution problems, and integrate modern electronics with legacy systems while ensuring compliance with marine safety standards.
Instrument Upgrades
Upgrade older Signet instrumentation with compatible modern replacements that maintain existing connectors and cabling infrastructure. Our solutions preserve panel fitment while enhancing accuracy and reliability through advanced sensor technology.
Sensor Calibration
Calibration of Hall Effect Speed Sensors (Blue Top) and depth transducers for optimal performance. Our proprietary calibration methods ensure linear accuracy across speed ranges, meeting the demands of competitive sailing and high-speed marine applications.
Mobile Marine Service
Mobile service covering Los Angeles/Long Beach Harbors and Cabrillo Marinas. Our technicians bring specialized tools and parts to your vessel, minimizing downtime for critical systems maintenance and emergency repairs in dockside or at-sea locations.
Questions
What marine diesel services do you offer?
We provide complete diesel engine repairs, electrical system maintenance, instrument upgrades, and sensor calibration for boats with both modern and legacy systems.
Do you service older boat engines?
Yes, we specialize in repairing 40-50 year old diesel engines, using in-house manufactured parts to maintain original system integrity.
Are your technicians mobile?
Our mobile service covers Los Angeles/Long Beach Harbors and Cabrillo Marinas for on-site repairs and maintenance.
Can you upgrade old Signet instruments?
We offer modern replacements that maintain compatibility with existing connectors and cabling while improving accuracy and reliability.
What areas do you serve?
We serve Southern California yachting communities including Los Angeles Harbor, Long Beach Harbor, and Cabrillo Marinas.
Do you offer sensor calibration?
Yes, we calibrate Hall Effect Speed Sensors (Blue Top) and depth transducers for optimal performance across all speed ranges.
