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Rectangular green-backlit LCD gauge cluster with sensor kit 185x102mm

Dyno Racing

Dyno Racing DO904 9-in-1 Gauge Kit 185x102mm 7000/9000rpm

SKU CH-K34W-WSN8D MPN DO904

9-in-1 digital gauge kit with green backlit LCD, Bluetooth sensors, alarms and LEDs monitors RPM, speed, oil pressure, AFR, boost, oil, coolant and exhaust temps

  • Gauge typeOil Pressure
  • Product typeInstrument Clusters
  • Clear, bright green backlit LCD for easy reading
  • 9-in-1 sensor kit monitors oil pressure, boost, AFR and more
  • Bluetooth sensor link reduces wiring complexity
  • Selectable 7000 or 9000 rpm tachometer suits different engines
  • 12 V universal fit with 9–16 V DC operating range

9-in-1 Digital Gauge Kit

The Dyno Racing DO904 combines a tachometer, speedometer and seven engine sensors in a single 185x102mm LCD unit. A green backlit display shows RPM, speed, oil pressure, air-fuel ratio, turbo boost, coolant temperature, voltage, time and a configurable multi-purpose field. Designed for 12V universal vehicles, it runs on 9V-16V DC power.

Replaces Separate Gauge Pods

Instead of mounting individual mechanical gauges for each parameter, this kit bundles a data processing unit with Bluetooth-linked sensors for boost, oil pressure, air-fuel ratio, oil temperature, water temperature and exhaust gas temperature. The jump is worth it when you want all critical readings visible on one screen with programmable alarms and LED alerts.

Check Vehicle Voltage and Sensor Mounting

Verify the electrical system stays within the 9V-16V DC range and confirm there is space for the 185x102mm display and the included sensor fittings. The kit provides RPM and speed signal wires plus spare sockets, so plan wiring routes for the Bluetooth-linked data processing unit before ordering.

How it compares

Measured against everything we stock in Gauges & Tachometers, at today’s prices. Recalculated every night.

Price $238.99
Pricier than about 91% of the 193 comparable items (median $35.99).

Specifications

Product
Product typeInstrument Clusters
More details
Gauge typeOil Pressure

Questions about this item

What dashboard cut-out size does the 185x102mm gauge require?

The unit measures 185 by 102 mm, so the cut-out must match those dimensions for a flush fit.

Which wiring step is most often missed when connecting the DPU via Bluetooth?

The green RPM wire and red speed wire must both be terminated at the ECU or coil before pairing the display with the DPU.

When should the nine included sensors be inspected or replaced?

Check sensor readings at each service interval; replace any sensor that shows drift, physical damage or fails the gauge self-test.

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