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Air and Fuel› Oxygen Sensors, Controllers and Components

ACDelco

Heated Oxygen Sensor

$121.54 $48.79 Save $72.75

SKU: AFS74

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The ACDelco AFS74 is a heated oxygen sensor designed to be a GM-recommended replacement for your vehicle's original component. It functions as a feedback sensor on your vehicle's exhaust system, measuring the proportion of oxygen in the exhaust gases. This measurement allows the engine management computer to adjust the air/fuel ratio for optimal engine performance, emissions, and fuel economy.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandACDelco
Part NumberAFS74
CategoryAir and Fuel

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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