AutoMeter · New

Autometer Stack 52mm Pro-Control Wideband Air/Fuel Ratio (Lambda) Gauge - White

Name: Autometer Stack 52mm Pro-Control Wideband Air/Fuel Ratio (Lambda) Gauge - White
Brand: AutoMeter
SKU: atmST3404

MPN ST3404 · Store SKU atmST3404

Price on request

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Supplier stock checked 11/7/2026, 9:46:22 PM UTC. Adding a part does not reserve it.

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Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

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Product details

Stack Wideband Air-Fuel Ratio (Lambda) gauges are the ultimate tuning aid! Dimmable dual digital red numeric and multi-colour radial LED displays provide accurate real-time readout of either air/fuel ratio or lambda (user-selectable) in a format that is optimised for driver viewing. User adjustable scaling allows for tailored calibration for specialty fuel types and maximum display resolution per application. Inbuilt peak lean value recall and user programmable alarm setting enable quick data review and driver alerts. Inboard photo sensor provides automatic display intensity adjustment for varying ambient lighting conditions (manual driver control may be enabled via switch connection to the illumination wire on the loom). 0-5Volt analogue and serial data outputs may be connected to a data-logger, ECU or other device to provide real-time closed-loop feedback for improved mapping. Pro-Control output allows automatic control of other power systems based on specific Lambda conditions. Supplied complete with wiring harness and includes Bosch LSU4.9 sensor. Stack Instruments Series, Gauge, Wideband Air-Fuel Ratio (Lambda), Pro-Control, 52Mm, Wht GAUGE, WIDEBAND AIR-FUEL RATIO (LAMBDA), PRO-CONTROL, 52MM, WHT

Manufacturer fitment & guides

Check ST3404 against the manufacturer’s application information below.

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Part-specific notes

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What is the return policy?

Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

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This policy does not limit rights required by law.

Autometer Stack 52mm Pro-Control Wideband Air/Fuel Ratio (Lambda) Gauge - White

Product details

Manufacturer fitment & guides

Part-specific notes

THE NEXT PART
OF YOUR BUILD.

Free shipping on $100+ orders.

Build with the right brands.

Find your next upgrade.

Make the whole setup work.

A few things to know.

Your cart.

Freight & oversized shipping quote

Delivery address