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Dorman 601-020 Flex Fuel SensorOE Quality 60-Day Returns
Part #: 601-020

Dorman 601-020 Flex Fuel Sensor

106 vehicles fit this part
Select your vehicle to confirm fitment
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Fitment: Buick, Cadillac, Chevrolet, and GMC, ATS, Caprice, Captiva Sport, Cheyenne, CTS, Equinox, Escalade, Escalade ESV, Express 1500, Impala, Impala Limited, LaCrosse, Regal, Savana 1500, Sierra, Sierra 1500, Silverado 1500, SRX, Suburban 1500, Tahoe, Terrain, Verano, Yukon, Yukon XL, and Yukon XL 1500
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Not what you need? See all Flex Fuel Sensor options

Flex Fuel Sensor for GM Applications

Dorman 601-020 is a flex fuel sensor built to match the fit and function of the original sensor on specified vehicles. It is engineered for durable operation and reliable performance in flex-fuel fuel delivery systems, with direct-fit details that support accurate ethanol content sensing.

Key Features

  • Direct replacement flex fuel sensor for specified GM vehicles
  • Designed to match original fit and function
  • Black finish with oval male connector
  • 3-terminal design with blade-style terminal type
  • Mounts on the chassis or frame
  • Cross-references Continental SE1004S and Standard Ignition FFS3 for the same application
  • Part number 601-020 for easy identification

Detailed Description

This Dorman flex fuel sensor, part number 601-020, is used in vehicles that rely on ethanol content data to manage fuel delivery and engine operation. It is built for specified Cadillac, Chevrolet, Buick, and GMC applications, including models such as the Chevrolet Impala, Tahoe, Silverado 1500, GMC Yukon, and Cadillac Escalade. The sensor features a single oval connector, male terminals, and a black housing designed for chassis or frame mounting. For buyers searching for a flex fuel sensor for 2011-2017 Chevrolet Equinox, 2014-2017 GMC Sierra 1500, or 2014-2019 Cadillac Escalade applications, this part number is a direct-fit option to compare against the original equipment sensor.

What It Helps Address

  • Incorrect ethanol content readings from a failing flex fuel sensor
  • Hard starting or rough running related to fuel composition data errors
  • Check engine lights tied to flex-fuel sensor faults
  • Fuel delivery issues caused by inaccurate sensor output
  • Driveability concerns on flex-fuel GM vehicles

Installation Notes and Tips

Verify connector shape, terminal count, and mounting location before installation. This sensor uses an oval male connector with 3 terminals and is listed for chassis or frame mounting. Confirm vehicle fitment by year, make, and model before ordering, especially on 2012 applications with VIN-specific notes. Professional installation is recommended to ensure proper sensor routing and secure connection.

Quality Assurance

Dorman designs this flex fuel sensor to match original fit and function on specified vehicles and to deliver dependable service in fuel system applications. Part number 601-020 is engineered for durability and reliable performance in compatible GM flex-fuel platforms.

BrandDorman
Part Number601-020
Inside Diameter0.25
Mounting PositionChasis
Mounting PositionFrame
Terminal TypeAspa
Terminal TypeBlade
Connector Quantity1
Connector Quantity1 ensamble de manguera del calentador
Connector ShapeOval
Connector ShapeOvalado
Terminal Quantity3
Connector GenderMacho
Connector GenderMale
Terminal GenderMacho
Terminal GenderMale
Color/FinishBlack
Color/FinishNegro
Color/FinishNoir
Contenidos del paquete1 sensor de combustible flexible
Package Contents1 flex fuel sensor

This part fits 106 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2019CadillacEscalade6.2LV8FLEXN/A
2019CadillacEscalade ESV6.2LV8FLEXN/A
2019ChevroletImpala3.6LV6FLEXN/A
2019ChevroletTahoe5.3LV8FLEXN/A
2019GMCYukon5.3LV8FLEXN/A
2019GMCYukon XL5.3LV8FLEXN/A
2018CadillacEscalade6.2LV8FLEXN/A
2018CadillacEscalade ESV6.2LV8FLEXN/A
2018ChevroletImpala3.6LV6FLEXN/A
2018ChevroletTahoe5.3LV8FLEXN/A
2018GMCYukon5.3LV8FLEXN/A
2018GMCYukon XL5.3LV8FLEXN/A
2017BuickRegal2.4LL4FLEXN/A
2017BuickVerano2.4LL4FLEXN/A
2017CadillacEscalade6.2LV8FLEXN/A
2017CadillacEscalade ESV6.2LV8FLEXN/A
2017ChevroletCaprice3.6LV6FLEXN/A
2017ChevroletCheyenne6.2LV8FLEXN/A
2017ChevroletEquinox2.4LL4FLEXN/A
2017ChevroletImpala3.6LV6FLEXN/A
2017ChevroletSilverado 15004.3LV6FLEXN/A
2017ChevroletTahoe5.3LV8FLEXN/A
2017GMCSierra5.3LV8FLEXN/A
2017GMCSierra 15004.3LV6FLEXN/A
2017GMCTerrain2.4LL4FLEXN/A
2017GMCYukon5.3LV8FLEXN/A
2017GMCYukon XL5.3LV8FLEXN/A
2016BuickLaCrosse3.6LV6FLEXN/A
2016BuickRegal2.4LL4FLEXN/A
2016BuickVerano2.4LL4FLEXN/A
2016CadillacEscalade6.2LV8FLEXN/A
2016CadillacEscalade ESV6.2LV8FLEXN/A
2016CadillacSRX3.6LV6FLEXN/A
2016ChevroletCaprice3.6LV6FLEXN/A
2016ChevroletEquinox2.4LL4FLEXN/A
2016ChevroletImpala3.6LV6FLEXN/A
2016ChevroletImpala Limited3.6LV6FLEXN/A
2016ChevroletSilverado 15004.3LV6FLEXN/A
2016ChevroletTahoe5.3LV8FLEXN/A
2016GMCSierra 15004.3LV6FLEXN/A
2016GMCTerrain2.4LL4FLEXN/A
2016GMCYukon5.3LV8FLEXN/A
2016GMCYukon XL5.3LV8FLEXN/A
2015BuickLaCrosse3.6LV6FLEXN/A
2015BuickRegal2.4LL4FLEXN/A
2015BuickVerano2.4LL4FLEXN/A
2015CadillacATS3.6LV6FLEXN/A
2015CadillacCTS3.6LV6FLEXN/A
2015CadillacEscalade6.2LV8FLEXN/A
2015CadillacEscalade ESV6.2LV8FLEXN/A
2015CadillacSRX3.6LV6FLEXN/A
2015ChevroletCaprice3.6LV6FLEXN/A
2015ChevroletCaptiva Sport2.4LL4FLEXN/A
2015ChevroletEquinox2.4LL4FLEXN/A
2015ChevroletImpala3.6LV6FLEXN/A
2015ChevroletImpala Limited3.6LV6FLEXN/A
2015ChevroletSilverado 15004.3LV6FLEXN/A
2015ChevroletTahoe5.3LV8FLEXN/A
2015GMCSierra 15004.3LV6FLEXN/A
2015GMCTerrain2.4LL4FLEXN/A
2015GMCYukon5.3LV8FLEXN/A
2015GMCYukon XL5.3LV8FLEXN/A
2014BuickLaCrosse3.6LV6FLEXN/A
2014BuickVerano2.4LL4FLEXN/A
2014CadillacATS3.6LV6FLEXN/A
2014CadillacCTS3.6LV6FLEXN/A
2014CadillacEscalade6.2LV8FLEXN/A
2014CadillacEscalade ESV6.2LV8FLEXN/A
2014CadillacSRX3.6LV6FLEXN/A
2014ChevroletCaprice3.6LV6FLEXN/A
2014ChevroletCaptiva Sport2.4LL4FLEXN/A
2014ChevroletEquinox2.4LL4FLEXN/A
2014ChevroletExpress 15005.3LV8FLEXN/A
2014ChevroletImpala3.6LV6FLEXN/A
2014ChevroletImpala Limited3.6LV6FLEXN/A
2014ChevroletSilverado 15004.3LV6FLEXN/A
2014ChevroletSuburban 15005.3LV8FLEXN/A
2014ChevroletTahoe5.3LV8FLEXN/A
2014GMCSavana 15005.3LV8FLEXN/A
2014GMCSierra 15004.3LV6FLEXN/A
2014GMCTerrain2.4LL4FLEXN/A
2014GMCYukon5.3LV8FLEXN/A
2014GMCYukon XL 15005.3LV8FLEXN/A
2013BuickLaCrosse3.6LV6FLEXN/A
2013BuickRegal2.0LL4FLEXN/A
2013BuickVerano2.4LL4FLEXN/A
2013CadillacATS3.6LV6FLEXN/A
2013CadillacCTS3.6LV6FLEXN/A
2013CadillacSRX3.6LV6FLEXN/A
2013ChevroletCaprice3.6LV6FLEXN/A
2013ChevroletCaptiva Sport2.4LL4FLEXN/A
2013ChevroletEquinox2.4LL4FLEXN/A
2013ChevroletImpala3.6LV6FLEXN/A
2013GMCTerrain2.4LL4FLEXN/A
2012BuickLaCrosse3.6LV6FLEXN/AFrom VIN CL XXXXXX
2012BuickRegal2.0LL4FLEXN/A
2012BuickVerano2.4LL4FLEXN/A
2012CadillacSRX3.6LV6FLEXN/AFrom VIN CL XXXXXX
2012ChevroletCaprice3.6LV6FLEXN/AFrom VIN CL XXXXXX
2012ChevroletCaptiva Sport2.4LL4FLEXN/A
2012ChevroletEquinox2.4LL4FLEXN/A
2012ChevroletImpala3.6LV6FLEXN/AFrom VIN CL XXXXXX
2012GMCTerrain2.4LL4FLEXN/A
2011BuickRegal2.0LL4FLEXN/A
2011ChevroletEquinox3.0LV6FLEXN/A
2011GMCTerrain3.0LV6FLEXN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

13507129135774295S13811FFS3FSA1203FFSSE1004S

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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