Skip to main content
ASK OUR EXPERTS
1-866-464-6553

Commander 950 Wideband O2 Gauge

3-digit numeric display and 40-segment multicolor bar graph for a quick, easy read

Part # 534-200 Be the first to write a review

Commander 950 Wideband O2 Gauge

Not Available

4

Emissions

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.

    See Emissions Details
Want to closely monitor Air/Fuel ratios with your Commander 950? The Holley Commander 950 Wide Band O2 gauge features a 3-digit numeric display along with a 40 segment bar graph. With the ultra-high intensity light emitting diodes you will be able to see your Air/Fuel ratio even under direct sunlight. The P/N 534-200 is designed to operate in street or race environments and will withstand heat, dirt, and vibration all while fitting in a standard 2-1/16" gauge pod.

Features:

  • Features a 3-digit numeric display and 40 segment multicolor bar graph for a quick read
  • Ultra-high intensity light emitting diodes foreasy viewing even in direct sunlight
  • Standard 2-1/16” diameter for ease of mounting in a standard gauge pod
  • Designed to operate over a temperature range of -4 to 185° F
  • Built for race environments to withstand heat, dirt, and vibration
  • Connects to vehicle light switch to dim the gauge during night time viewing
  • Will only work with 3rd generation wide band controllers - part numbers 534-188 and 534-197

About Holley

Looking for Holley performance products? We're the undisputed leader in carburetors, fuel pumps, fuel injection, intake manifolds, and more. Buy now!

Brand Holley
Emission Code4
Product TypeGauge
UPC090127648599
Part Number534-200
4

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

3rd Generation controllers started being produced in mid-2006. It has a 3 wire weather pack connector for the C950 connection, a black 2 wire connector for the gauge, an orange 2 wire connector for a communications connection (not used at this time), and the 8 pin connector for the O2 sensor. Previous versions do NOT have the 2 wire orange connector.
Reviews

    Your Review

    *Free Shipping & Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.