Air and Fuel Fuel Pumps, Regulators and Components

Chevrolet

Flex Fuel Sensor

$455.04

SKU: 13577394

In Stock
In Stock
Ships by Sep 13
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The Chevrolet Performance flex fuel sensor is an OEM GM component with long inlets. It monitors the ethanol content of the fuel in your flex fuel vehicle, supplying accurate readings to the ECM to make proper adjustments for gas mixture and ignition timing.
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The Chevrolet Performance flex fuel sensor, also known as ACDelco Part #13577394 or GM Part #13577394, is an Original Equipment (OE) component designed for flex fuel vehicles. By supplying accurate real-time data, the flex fuel sensor enables the ECM to make necessary adjustments to the air/fuel mixture and ignition timing, ensuring optimal engine performance and efficiency when operating on various gasoline and ethanol blends. It is a GM-recommended replacement part for your vehicle's original factory component, offering the quality, reliability, and durability expected from GM OE. This particular sensor features long inlets, specified as 3/8", and includes mounting tabs for secure installation. As an ACDelco GM Original Equipment part, it is built to the same standards as the component originally installed in your Chevrolet vehicle.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandChevrolet
Part Number13577394
CategoryAir and Fuel

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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