Bosch 2" Electrical Water/Oil Temperature Gauge — Black Dial & Bezel, 100–280°F, 12V Backlight

The Bosch SP0F000049 Style Line is a 2" electrical water/oil temperature gauge with a 100–280°F range, built-in 12V backlighting, and a sender kit with multiple adapters for easy installation.

This compact instrument combines Bosch engineering with a clean, easy-to-read design for monitoring engine water or oil temperature in automotive and marine applications. The gauge fits a 2-1/16" dash opening and ships with a sending unit featuring a 1/8" NPT thread plus 1/4", 3/8" and 1/2" adapters, making it adaptable to a number of engine fittings. Its black dial and bezel produce high contrast for quick readings, while the removable mounting panel and supplied hardware simplify installation and servicing.

How accurate and readable is the temperature display?

The dial spans 100–280°F with a bright pointer that stands out against the black face, providing clear visual feedback at a glance. Internal 12V backlighting ensures visibility in low-light conditions without altering the dial’s contrast.

• Full-scale range: 100–280°F for common engine temperatures
• 2" standard dial designed for a 2-1/16" opening
• High-contrast pointer and black dial for fast legibility
• 12V internal backlight for night or low-light use

What comes with the gauge and what do I need to install it?

The package includes the Bosch gauge, a sender with 1/8" NPT thread, three thread adapters, removable black mounting panel, and mounting hardware. You will need hookup wire and a 12V negative-ground electrical system to power the gauge and its internal light.

• Included: sending unit (1/8" NPT) plus 1/4", 3/8" and 1/2" adapters
• Included: mounting hardware and removable black bezel panel
• Required: hookup wire and 12V negative ground vehicle/boat electrical system
• Panel cutout: fits standard 2-1/16" instrument openings

Can this gauge be used in different vehicles and engines?

Yes — the sender and adapters allow the gauge to connect to a variety of engine fittings, making it suitable for many cars, light trucks, and marine engines that use compatible temperature senders. Verify the electrical system is 12V negative-ground and that the sender thread and adapter match your engine’s port.

• Versatile sender with multiple adapters for common thread sizes
• Designed for 12V negative-ground systems only
• Fits standard 2" panel instruments and 2-1/16" openings
• Appropriate for water or oil temperature monitoring applications

How durable is the Style Line gauge for everyday use?

Bosch builds the Style Line with durable materials and a secure bezel assembly to withstand dashboard vibration and routine use. The removable mounting panel and included hardware provide a snug installation, while the sealed sender and metal threads resist wear from repeated connections.

• Robust bezel and mounting hardware for stable panel fitment
• Metal sender with NPT thread and multiple adapters for longevity
• Internal lighting designed for reliable night visibility
• Bosch engineering and quality control standards behind the product

Who is this for: The Bosch SP0F000049 is ideal for DIY mechanics, restorers, and boat owners who want a compact, accurate temperature gauge with flexible sender options and clear nighttime visibility. Choose this gauge if you need a standard 2" instrument that installs into a 2-1/16" opening, works on 12V negative-ground systems, and comes with the adapters and hardware to simplify fitting to different engines.