The 8 Best Universal Diesel Tachometers (2022 reviews)

The Geloo Universal Diesel Tachometer is long-lasting, rigid and fits well with your regular usage like a dream. The geloo universal diesel tachometer looks good and it is good for simple install. Please make sure the item fits your car before purchase. Moreover, the tachometer is simple and it is electric.

Finally, the geloo universal diesel tachometer is ip67, The whole body is completely waterproof.

Almost all customers found that the tachometer will, it will take some messing around with the programming. Also, a few say that the tachometer works well with a signal from the alternator. And, they also found that the tachometer is set up for both 2 and 4 stroke, and anywhere from two to 8 cylinders according to the instructional paperwork. In short, most customers agree that the tachometer is functionally comfortable and no one questions it.

Why We Like This:

This is good for number of cylinders and it is made with a product description.
Manufacturer says: we have 5 models indicating the range.
This is perfect for anti-vibration and it comes with an installation manual.

Best For High Performance: Auxmart Universal Diesel Tachometer

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate tachometer. The Auxmart Universal Diesel Tachometer is exactly that - it's a simple tachometer that hits all the right notes. The auxmart universal diesel tachometer is for gasoline engine, is designed for high performance, It is great for superior quality and has a waterproof design. Be completely in control even at night, with the red backlight of the tachometer making it easy to see your rpms in the dark. In addition, it features a black dial face, white letters and a vivid orange pointer for easy readability during the day.

Most importantly, the auxmart universal diesel tachometer is manufactured from high-quality stainless steel bezel and anti-fog glass, ip67 waterproof and dustproof grade that will last longer.

Why We Like This:

This is an idle station, tachometer shows 600.
This is great for anti-vibration,, has an LCD display and it is easy to read.
This is simple, it allows for simple installation and has a backlight design.

Best For Flat Glass Lens: Faria Beede Size Gauge

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The Faria Beede Size Gauge is satisfactory and appropriate and fits well with your daily purpose. The faria beede size gauge offers a black aluminum bezel, a contoured white pointer, and a flat glass lens. Make sure this fits by entering your model number. The size 4 gauge requires a 3.375 " ( 85 mm ) mounting hole. Most importantly, the faria beede size gauge features a sleek perimeter-lighted black dial with bold white graphics.

One customer says - "You can glue magnets to a rotating part of your engine and use this tach with a magnetic sender as well. ". They say that this tachometer does not come with magnets or a sending unit.

Why We Like This:

"Size 4 gauge requires a 3.375" (85 mm) mounting hole".
Faria's euro-series provides a great look at your boat's gauge panel.
Perimeter-lighted black dial with a contoured white pointer.

Best For Great Look: Faria Beede Universal Diesel Tachometer

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The Faria Beede Universal Diesel Tachometer's material feels more premium than its price would suggest. The faria beede universaldiesel tachometer offers a polished stainless steel bezel, a contoured white pointer, and a domed glass lens. Faria's chesapeake black-series provides a great look at your boat's gauge panel. The size 4 gauge requires a 3.375 " ( 85 mm ) mounting hole. Above all, the faria beede universal dieseltachometer features a sleek perimeter-lighted black dial with stylish blue and white graphics.

To sum up, for almost all customers, the tachometer was what they were looking for.

Why We Like This:

Size 4 gauge requires a 3.375" (85 mm) mounting hole.
Perimeter-lighted black dial with a contoured white pointer.
Good brand reputation.

Suitable For Diesel Engine: Eling Universal Diesel Tachometer

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The Eling Universal Diesel Tachometer's material feels more premium than its price would suggest. The eling universaldiesel tachometer is used for gasoline engine,s has a lcd display, It is more and has a waterproof design. Press and hold the mode button for 5 seconds to enter the parameter setting mode, then adjust the speed ratio from 1-300 according to your request. And, the tachometer is used for a full range of stepping gauges, great feature with its less power consumption, longer life, higher precision, etc.

Lastly, the eling universal diesel tachometer is suitable for diesel engine, is other and it comes with blue wire.

Most customers agree that the tachometer can be adjusted quite accurately. Also, they strongly agree that the tachometer is great with a jumper off the neg leading to the magnetic sensor on the flywheel. Overall, many have used the tachometer for more than a few months without any complaints, and it shows no sign of giving up.

Why We Like This:

This can be connected to 12vdc and 24vdc power directly.
This is electrical, it comes with black wire and has a backlight design.
1-300 adjustable, You can press the back button to adjust it.
Open a 3-3/8" dimension and 2-3/4" depth hole, put a gauge into it and fasten.

Best For Gasoline Engine: Eling Digital Tachometer

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate tachometer. The Eling Digital Tachometer is exactly that - it's a simple tachometer that hits all the right notes. The eling digital tachometer is perfect for back light, is great for anti-vibration and it is suitable for diesel. If not, you can turn down or turn up the speed ratio to check the rpm difference. The engine is in an idle state, the digital tachometer shows 600.

The tachometer works so far, it is more and has a waterproof design. Also, there is another it works perfectly and has a backlight design. Most importantly, the eling digital tachometer is used for a full range of stepping gauges, great feature with its less power consumption, longer life, higher precision, etc.

Almost all buyers found that the tachometer is designed for an alternator with a tachometer outlet.

Why We Like This:

1-300 adjustable, You can press the back button to adjust it.
Open a 2" dimension and 2-3/4" depth hole, put a gauge into it and fasten.
This can be connected to 12vdc and 24vdc power directly.
Red backlight, 9-32vdc(12vdc/24vdc) working voltage,1 year warranty, 100% waterproof and anti-fogging protection.

Best For Car: Motor Meter Racing Universal Diesel Tachometer

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Motor Meter Racing offers a variety of tachometer for personal choice and yet maintains quality in all the variants. The Motor Meter Racing Universal Diesel Tachometer is suitable for diesel, It comes with an installation manual and has a standard design. Adjust the pole of number easily form gauge back. Moreover, it is the light bulb type, and the installation method is intuitive and straightforward. Lastly, the motor meter racing universal dieseltachometer design is a plastic housing.

Almost all buyers found that the tachometer does work once set where it needs to be. And, they also found that the tachometer is easy to install, works great on Mercedes benz 190e.

Why We Like This:

Warranty: one-year for non-human factor damage and free lifetime technical support.
Packaged: u-bracket kit, vr stick, installation manual.
Specification: standard 2" (52mm) dial for a 2-1/16" (52.4mm) opening.
Available in the dash and on dash installation, you can purchase as you like.

Best With Most Gasoline And Diesel Engines: Auxmart Diesel Tachometer Gauge

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The Auxmart Diesel Tachometer Gauge is capable of outshining several other tachometer featured in this list in overall features for the price point. The auxmart diesel tachometer gauge is manufactured from high-quality stainless steel bezel and anti-fog glass, ip67 waterproof and dustproof grade that will last longer. There is a button on the back of the tachometer, you can press it to adjust the speed ratio. Also, the tachometer is for gasoline engine and it is suitable for diesel engine.s.

The tachometer has an installed diameter, is suitable for diesel, It is great for superior quality and has a backlight design. Moreover, this works with most gasoline and diesel engines. Finally, the auxmart diesel tachometer gauge is simple and it has a lcd display.

Why We Like This:

【Application】practically universal, works with most gasoline and diesel engines.
This is great for anti-vibration and it is great for high performance.
This is an idle station, tachometer shows 600.
This is made for simple installation, it is easy to read and has a waterproof design.