Custom Auto Meter Oil Pressure Gauge Manufacturers & Suppliers

Precision Engineering, Robust Sensor Calibrations, and Comprehensive OEM/ODM Industrial Instrumentation Solutions Since 1986.

Premium Product Showcase

Explore our high-performance line of instrumentation, designed for professional racing and custom automotive conversions.

Custom 3.5 Inch Multifunctional LCD Racing Gauge SincoTech DO916

DO916 Multifunctional LCD Racing Gauge

18 parameters data tracking capability designed for professional motorsport diagnostics.

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Wholesale 3.5 Inch LCD Racing Gauge Sensor Kit

DO916 LCD Gauge with Sensor Kit

Complete dashboard replacement system with high-precision sensors and multi-parameter LCD screen.

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Custom 85mm Universal GPS Speedometer LCD Display

85mm Universal GPS Speedometer

Features pointer LCD display, built-in odometer tracking, and dedicated GPS antenna setup.

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Custom 52mm Boost Tachometer & Voltmeter

52mm Boost Tachometer & Voltmeter

Compact form factor with 7-color backlight. Ideal configuration for oil, water, and boost monitoring.

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Wholesale 52mm Dual Display Tachometer & Boost Gauge

52mm Dual Display Gauge Series

Dual parameter monitoring (EGT, Water Temp, Oil Temp/Pressure) optimized for tight dash configurations.

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Wholesale 9-in-1 Bluetooth Race Dashboard Sensor Kit

SincoTech DO904 Bluetooth Dashboard

High-visibility 9-in-1 Bluetooth LCD racing console with integrated sensor unit.

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Custom 80mm Tachometer 0-11000RPM

80mm RPM Meter (0~11000 RPM)

7-color backlight high-rpm monitor matching 1 to 8 cylinder engines with shift alerts.

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Custom China Rally Car Race Dash Panels 9-in-1 LCD

9-in-1 Rally Race Dash Panel

Waterproof race console with dedicated sensory inputs built for off-road environments.

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ESTABLISHED IN 1986

Ruian DongOu Automobile Meter Factory

For nearly four decades, Ruian DongOu Automobile Meter Factory has remained a vanguard in the automotive instrument system R&D and manufacturing industry. Through continuous engineering evolution, we have constructed a mature production framework capable of outputting extreme precision analog and digital displays for complex mechanical deployments.

By integrating advanced manufacturing facilities and meticulous quality control procedures, we produce high-durability sensor components. Our dual-brand portfolio serves distinct segments of the automotive modifying and racing landscape:

  • SincoTech: A premium, high-performance racing gauge line developed in collaboration with leading Australian motorsports partners. Specifically optimized for fast refresh rates and critical telemetry outputs.
  • GragonGauge: Our specialized aftermarket tuning brand covering 52mm (2 inch), 60mm (2.36 inch), and 85mm (3.75 inch) layouts for boost, EGT, water temp, oil temp, and oil pressure monitoring.
Ruian DongOu Automobile Meter Factory Facility

Macro Industry Instrumentation Solutions

Engineered to handle severe vibrations, high temperatures, and high-frequency fluid pulses in modern internal combustion engines.

OEM/ODM Fleet Configurations

We provide tailored instrumentation solutions for fleet operators and medium-duty transport providers. By integrating warning limit outputs and precise sensor calibration, our gauges protect valuable logistics assets from catastrophic oil starvation issues.

Motorsports Telemetry Integration

Developed with Australian technology partners, our SincoTech line supports ultra-high-refresh CAN bus data logging. With zero needle flutter and precise stepper motor controls, drivers receive instant, accurate pressure readouts.

Industrial Diesel Machinery

Industrial applications present brutal ambient heat profiles. DongOu oil pressure gauges are calibrated with advanced temperature compensation circuitry to maintain high accuracy (+/-1%) across operating parameters from -40°C to +105°C.

Production Facility & Manufacturing Excellence

A transparent look at our specialized assembly lines, tooling facilities, and clean room calibration environments.

Ruian DongOu Production Workshop
Automobile Meter Calibration and Assembly
DongOu Automobile Meter Quality Testing
38+ Years of Experience
2 Global Performance Brands
100% Sensor Testing & QC
50+ Export Markets

Technical Architecture & OEM Engineering Specifications

Understanding the electronics, sensory mechanics, and signal-conditioning systems behind custom auto meter oil pressure gauges.

Pressure Transducer Tech

We use high-fidelity, solid-state silicon piezoresistive pressure transducers rather than old-fashioned mechanical diaphragms. This prevents leakage and guarantees consistent calibration over millions of pressure cycles.

Microstepper Motor Drive

Our pointer gauges (GragonGauge series) use high-torque microstepper motors. This provides sub-degree positional accuracy, preventing needle flutter caused by chassis vibration.

Adaptive Backlight System

Our custom instrument systems offer selectable 7-color LED backlighting. This ensures clear legibility in bright sunlight and reduces night-driving glare.

Global Commercial and Industrial Context

In today's automotive market, accurate engine oil telemetry is more critical than ever. As vehicles shift toward high-efficiency turbocharged engines, oil temperatures and pressures fluctuate quickly. Mechanical oil lines running into the passenger cabin pose a safety risk.

This has driven global demand for electronic pressure senders that convert oil pressure into a digital signal under the hood. As an established manufacturer, Ruian DongOu Factory offers complete solutions that balance safety, precision, and ease of installation. Our products feature compact 52mm designs with simple plug-and-play wiring harnesses.

Brand Identity & Application Environments

Our gauges are engineered to look great and perform reliably across a wide range of mounting configurations.

DongOu Gauge Dial Printing Process

Custom Dials & Branding

Tailor the graphics, logo, and scale increments to match your vehicle's interior.

Precision Calibration

Sensor Validation

Each pressure sender is tested at multiple points to guarantee accuracy.

DongOu Quality Check

Component Assembly

Careful manual assembly in dust-free zones prevents internal contamination.

Production Facility View
Custom Instrument Testing
Finished Products Inventory

Flexible Installation Options

DongOu gauge systems are engineered to integrate seamlessly into a variety of mounting setups.

Combined Gauge Pods

Combined Gauge Clusters

Position multiple gauges in a single pod to monitor oil temperature, coolant temperature, and boost pressure simultaneously.

Dashboard Integration

Integrated Digital Dashboards

Our SincoTech displays combine up to 18 critical parameters into a single, high-resolution screen for simplified race car telemetry.

A-Pillar Custom Mounting

Custom Mounting Configurations

Gauges can be mounted in standard A-pillar pods, dashboard cutouts, or center consoles to suit different cabin layouts.

Localization Support & International Standards

As an international supplier, our engineering division supports metric and imperial scaling conventions. This makes our gauges compatible with markets in North America, Europe, Australia, and Asia.

Global Regulatory Compliance

Our manufacturing lines comply with CE, RoHS, and FCC standards, ensuring low electromagnetic interference. We also offer localization options for pressure readouts in PSI, BAR, or kPa.

Technological Roadmap

We are actively developing next-generation instrumentation to meet the evolving needs of the automotive industry:

  • [2026] Wireless Sensor Hubs: Reducing engine-to-cabin wiring complexity with encrypted, low-latency 2.4GHz sensor links.
  • [2027] CAN-FD Protocol Integration: Supporting high-bandwidth diagnostics for modern engine management systems.
  • [2028] Predictive Wear Analysis: Integrating microprocessors that detect pressure anomalies and alert drivers to potential oil pump failures before they happen.

Global Export and Distribution

Ruian DongOu Automobile Meter Factory has built a dependable global logistics network. We work closely with international distributors and tuning brands to provide customized manufacturing services.

Our facility handles high-volume production while maintaining competitive lead times. From custom dial printing to modified housing designs, we ensure our products meet your brand's specific requirements.

OEM/ODM Capabilities

✔ Custom Dial Graphic Layouts ✔ Customized Alarm Thresholds ✔ Multi-Format Thread Adapters

Technical Q&A

Common technical questions answered by our engineering and product development teams.

Why choose electronic pressure senders over mechanical ones?
Electronic gauges keep pressurized oil out of the passenger cabin. Instead, a solid-state pressure sender under the hood sends a low-voltage electrical signal to the display, providing a safer and cleaner installation.
Which thread sizes are standard for DongOu pressure senders?
Our standard senders use a 1/8" NPT thread, which fits most domestic and import engines. We also provide metric adapters (like M10x1.0 and M12x1.5) to match different mounting requirements.
How do SincoTech race dashboards handle electrical noise in modified cars?
High-output ignition systems and alternators can cause electrical noise. Our SincoTech and GragonGauge systems feature built-in voltage filtering and shielded cables to ensure stable sensor readings and prevent needle flutter.
Can I customize the dial logo and backlight behavior?
Yes. We offer complete OEM/ODM customization services. We can print your brand logo on the dial face, adjust the warning thresholds, and pre-program specific backlight color schemes.
Are the sensor units waterproof and durable enough for off-road use?
Yes. Our pressure transducers feature sealed, IP67-rated connectors that resist water, mud, and road debris, making them suitable for rally racing and industrial machinery.
What is the typical lead time for custom OEM orders?
Lead times depend on the size of the order and the level of customization. Typical production runs take 3 to 5 weeks. Sample testing units can be prepared sooner for engineering evaluation.

Additional Gauge Solutions

Explore more specialized products from our manufacturing line, built for performance tuning and racing telemetry.

SincoTech DO908 9-in-1 LCD Rally Car Dash Panel

DO908 LCD Rally Dash Panel

9-in-1 waterproof racing dashboard with integrated sensor kit for demanding off-road conditions.

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Wholesale 85mm Universal GPS Speedometer LCD Antenna

85mm GPS Speedometer (DO917)

Accurate speed measurements using satellite data. Features odometer tracking and digital display.

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Wholesale 2 Inch Electronic Car Fuel Level Gauge

2" 52mm Electronic Fuel Gauge

Reliable fuel level tracking for 12V and 24V automotive electrical systems.

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Custom Multifunctional Race Dash Panel DO922

DO922 7-Color LCD Racing Dash

Multifunctional, user-configurable display interface designed for modified 12V vehicles.

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Custom 2 inch 52mm Car Gauge Series

52mm Multi-Parameter Gauge (614)

Versatile monitoring options for boost pressure, EGT, water temp, oil temp, and oil pressure.

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Wholesale China Multi-Function OBDII Racing Gauge

Multi-Function OBDII Race Panel

Simple plug-and-play installation via the vehicle's OBDII port. Features 7-color display.

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Wholesale 3.5 Inch LCD Racing Gauge SincoTech DO916

SincoTech DO916 3.5" Racing Dashboard

High-contrast LCD screen with integrated alarm alerts and comprehensive sensor kit.

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Wholesale DO909 Race Dashboard LCD Touchscreen

DO909 Touchscreen Race Dashboard

Large, high-resolution color touchscreen interface with advanced sensor connectivity.

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