Bosch Mini Triple Gauge Kit — 1-1/2" Cluster (Black Dial & Bezel), Temp/Pressure/Volt, Backlit

The Bosch SP0F000037 Style Line mini triple gauge kit bundles three compact automotive instruments — water/oil temperature, voltmeter and oil pressure — into a single 1-1/2" cluster with a black dial and bezel for tidy dash integration.

This compact gauge set gives hobbyists and professionals a precise, space-saving way to monitor three essential vehicle systems. Designed by Bosch, a legacy name in automotive engineering, the kit combines mechanical and electrical gauges sized to fit small dash openings while delivering clear, backlit readouts for day and night use. It ships with installation fittings, high-temperature tubing and mounting hardware to speed installation on compatible 12-volt negative-ground vehicles.

What measurements does this triple gauge display and how are they driven?

The kit includes three distinct instruments: a mechanical water/oil temperature gauge, a mechanical oil pressure gauge, and an electrical voltmeter. The mechanical gauges use pressure/tube connections and the voltmeter connects to the vehicle’s electrical system for real-time readings.

• Mechanical water/oil temperature — monitored via supplied tubing and sensor connection.
• Mechanical oil pressure — reads engine oil pressure through a direct mechanical line.
• Electrical voltmeter — wired into the 12V system to display battery/charging voltage.
• 12-volt internal lighting for visibility in low-light driving conditions.

How does installation work and what hardware is included?

The kit arrives ready to mount with a set of fittings and 72" of high-temperature nylon tubing for routing sensors. It also contains mounting brackets and the electrical lead for the voltmeter’s power and illumination, making it suitable for most aftermarket dash installations.

• 72" high-temperature nylon tubing with 1/8" and 1/4" NPT thread fittings included.
• Mounting hardware supplied to secure the 1-1/2" gauge cluster in a standard dash opening.
• Wiring for 12-volt internal lighting; compatible with negative-ground systems only.
• Simple mechanical connections reduce the need for bulky adapters or custom hoses.

Will this fit my vehicle and what electrical requirements exist?

The gauges are sized to fit 1-1/2" openings and are intended for 12-volt systems with negative grounding — the standard for most modern and classic cars. Before buying, confirm your dash opening and that your vehicle uses a negative-ground electrical configuration.

• Fits standard 1-1/2" mini gauge cutouts; measure your panel if unsure.
• Requires a 12-volt negative-ground electrical system for power and illumination.
• Mechanical gauges need compatible fittings and routing for accurate sensing.
• Works well in custom dashboards, race cars, restorations, and compact engine bays.

How readable and durable are the Bosch Style Line mini gauges?

Style Line instruments emphasize clear contrast between pointer and dial for quick, at-a-glance readings. The black dial and bezel version offers a sleek appearance while the internal 12V illumination keeps scales legible after dark; materials and tubing are specified for high-temperature engine environments.

• High-contrast black dial with bright pointer for fast visual interpretation.
• Internal 12V lighting improves night visibility without extra lamps.
• High-temperature nylon tubing designed for engine-bay routing.
• Bosch engineering and quality control for dependable sensor response.

Who is this for: This Bosch mini triple gauge is aimed at car enthusiasts, mechanics, and restorers who need three critical readings in a compact footprint. It’s a good fit for custom dashboards, track cars, classic vehicles with limited panel space, and anyone wanting Bosch-branded instrumentation with straightforward mechanical and electrical connections. Ensure your vehicle uses a 12-volt negative-ground system and that a 1-1/2" gauge opening is available before ordering.