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Vehicle Info NeededNOSPART NUMBER: 741-15945NOS
Standalone Wideband Air/Fuel Ratio Gauge
$37195
Ships on Sep 14, 2026
Lowest Price GuaranteeStandalone Wideband Air/Fuel Ratio Gauge2-1/16 in. Diameter 270 Degree Pointer Sweep Adjustable LED Warning Light Peak Recall Feature Compatible with All Fuel Types Black Face, Black Bezel
NOS INC/HOLLEY 15945NOS Features:
The NOS analog-style fully standalone 2-1/16" Air/Fuel Wideband O2 Gauge Kit gives you a great way to monitor air/fuel ratios. This highly accurate and feature packed unit is designed specifically for use with all EFI or carbureted systems and available in both black and white face versions.- Completely standalone with easy-to-read analog dial - Great for EFI or carbureted applications
- Includes Bosch LSU 4.9 wideband O2 sensor which is compatible with all fuel types (Unleaded, Leaded, E85, Diesel, or Methanol)
- Gauge reads in gasoline scale only
- Slim-style mounting requires very little dash space for installation
- 270° sweep pointer from 6 to 3 o’clock makes gauge easy to read at a glance
- Internal microprocessor controls the pointer movement to ensure accurate movement in street, off road, and racing conditions
- Adjustable LED warning light allows user to set both low and high trigger points
- Peak recall button allows user to view min/max gauge readings
- Gauge includes a 5 ft. 6-pin weathertight sensor harness and 4 ft. power/ground/lighting harness allowing for flexible mounting locations
- Spin lock ring threads to back of gauge case for simple and secure gauge mounting
- CNC machined billet aluminum bezels with anodized finish – Bezels are threaded for easy
- Multiple bezel options available separately – User can customize the gauge to their preference
NOS Wideband Air/Fuel Ratio Gauges make monitoring vehicle AFR quick and easy. These analog-style, standalone gauges are LED backlit and are controlled by an internal microprocessor that ensures accurate readings in any driving conditions. An adjustable LED warning light allows low and high trigger points to be set and a peak recall feature allows minimum and maximum values to be viewed after a race.
These AFR gauges are shallow and require very little dash depth to mount. All gauges are designed to fit into a standard 2-1/16 inch gauge porthole
For use with carbureted or fuel injected applications, each NOS Wideband AFR Gauge comes with a Bosch LSU 4.9 wideband oxygen sensor that is compatible with all fuel types.
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Features:
- Internal microprocessor ensure accurate pointer movement
- Adjustable LED warning light
- Peak recall shows min and max gauge readings
- Slim-style mounting requires shallow dash space for installation
- Includes Bosch O2 sensor that is compatible with all fuel types
- Spinlock ring threads to the back of gauge for simple and secure mounting
- Billet aluminum bezel with anodized finish
Part TypeGauge
Product LineNOS Wideband Air/Fuel Ratio Gauges
BrandNOS
Package Height4.75
Package Width6.38
Package Length7.0
Weight0.85 PG
Part CategoryPerformance Parts
Part FitmentUniversal
Vendor Part Number15945NOS
Package Qty1
Package TypeEA
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