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Instruction Sheets for Part Number ATM-6178
AutoMeter Cobalt Digital Gauges
Gauge, Cobalt, Air/Fuel Ratio, Pro, 0-5 Ohm Wideband, Lean-Rich, 2 1/16 in., Digital, Electrical, Each
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Estimated Ship Date: Nov 9, 2026 Would you rather pick it up?
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Overview
Brand:
Manufacturer's Part Number:
6178
Part Type:
Product Line:
Summit Racing Part Number:
ATM-6178
UPC:
046074061783
Gauge Type:
Air/Fuel ratio - Wideband
OEM Replacement:
No
Gauge Style:
Digital
Sending Unit:
Electrical
Gauge Diameter (in.):
2 1/16 in.
Gauge Diameter (mm):
52mm
Gauge Range:
Lean-rich
Gauge Shape:
Round
Sweep:
Digital numeric
Gauge Face Color:
Black
Gauge Number Color:
Blue
Bezel Color:
Silver
Illuminated:
Yes
Memory Recall:
No
Playback:
No
Liquid-Filled:
No
Shift Light Included:
No
Tripometer:
No
Sending Unit Included:
Yes
Remanufactured:
No
Quantity:
Sold individually.
Notes:
Includes wide band oxygen sensor. This gauge displays both a bar graph and digital numbers. Air fuel ratio can be programmed for gasoline and alternate fuels (ethanol, methanol, propane, and CNG) from 6:1 to 20:1 depending on fuel type.
AutoMeter Cobalt Digital Gauges
AutoMeter Cobalt digital gauges feature a black face, anodized bezel, blue LED numbering, and blue LED accents (except air/fuel ratio gauge). At night, the Cobalt blue LED lights register your critical information. By using LED technology, the Cobalt series lighting will last you a lifetime. These digital instruments are available to monitor a dozen individual functions. Order the models and options needed for your dash panel.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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