Standard Ignition SC801 Vehicle Speed Sensor

Brand Standard Ignition SC801
Attachment Method Plug in
Color/Finish Black
Connector Gender Female
Connector Quantity 1
Connector Shape Oval
Connector Type Plug in
Dust Shield Included No
Hardware Included No
Mounting Bracket(s) Included No
Mounting Hardware Included No
Mounting Location Trans mount
Mounting Type Bolt mount
New or Reman New
Number of Bolt Holes 1
Terminal Gender Male
Terminal Quantity 3
Terminal Type Blade
Fits Buick, Cadillac, Chevrolet, and GMC · 75 vehicles

Plug-in design. Simple bolt-mount installation with a single oval connector.

New sensor. Fresh replacement part with a black finish.

Blade terminals. Three-terminal electrical connection for reliable signal transfer.

Cross-references 24279771, SN8503 and VSS1335 for the same application. See all 3.

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Vehicle Speed Sensor for GM Applications

Standard Ignition SC801 is a new plug-in vehicle speed sensor with a black finish, female oval connector, and 3 blade terminals. It mounts at the transmission and is built for direct replacement service on a wide range of Buick, Chevrolet, Cadillac, and GMC vehicles.

Use SC801 when you need a transmission-mounted input sensor for accurate speed signal delivery in vehicles such as the Chevrolet Malibu, Buick Enclave, and GMC Terrain. The SC801 part number is also referenced in OE-style replacement searches for these applications.

Key Features

  • Brand: Standard Ignition
  • Part number: SC801
  • Vehicle speed sensor / input sensor application
  • Plug-in attachment method
  • Transmission mount, bolt-mount design
  • Female oval connector with 1 connector and 3 blade terminals
  • New replacement part with black finish
  • No dust shield, bracket, or mounting hardware included

Detailed Description

Standard Ignition SC801 is an electrical sensor designed for transmission-mounted speed signal input. Its plug-in connector style, female oval interface, and 3-terminal blade layout support straightforward replacement where the original sensor uses the same connection and mounting style. This part number is used across multiple GM platforms, including Buick Enclave, Buick Envision, Chevrolet Blazer, Chevrolet Traverse, Cadillac XT5, and GMC Acadia applications.

This part cross-references Monroe Shocks & Struts (e.g., SN8503) for the same application.

What It Helps Solve

  • Erratic or missing vehicle speed signal
  • Transmission-related speed sensor fault codes
  • Harsh or incorrect shift behavior tied to speed input loss
  • Speedometer operation issues caused by sensor failure
  • Drivability problems related to inaccurate transmission input data

Installation Notes and Tips

Install SC801 at the transmission mount location using the existing bolt-mount point and plug-in connector interface. Verify connector shape, terminal count, and mounting style against the original sensor before installation. Confirm vehicle application by year, make, and model, especially on Chevrolet Malibu, Buick Enclave, and GMC Terrain fitments.

  • Fits 2020-2026 Buick Encore GX, Input Sensor
  • Fits 2021-2026 Chevrolet Trailblazer, Input Sensor
  • Fits 2018-2024 Buick Enclave, Input Sensor
  • Fits 2019-2024 Buick Envision, Input Sensor
  • Fits 2019-2024 Cadillac XT4, Input Sensor
  • Fits 2020-2024 Cadillac XT5, Input Sensor
  • Fits 2020-2024 Cadillac XT6, Input Sensor
  • Fits 2019-2024 Chevrolet Blazer, Input Sensor
  • Fits 2018-2024 Chevrolet Traverse, Input Sensor
  • Fits 2020-2024 GMC Acadia, Input Sensor
  • Fits 2018-2024 GMC Terrain, Input Sensor
  • Fits 2017-2022 Chevrolet Malibu, Input Sensor
  • Fits 2018-2020 Buick Regal Sportback, Input Sensor
  • Fits 2018-2020 Chevrolet Equinox, Input Sensor
  • Fits 2018-2019 Buick LaCrosse, Input Sensor
  • Fits 2017-2019 Chevrolet Cruze, Input Sensor

Quality Assurance

Standard Ignition supplies replacement electrical components for service applications, and SC801 is a new part built for direct-fit replacement use where the original sensor matches the listed connector and mounting configuration.

This part fits 75 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersPositionNotes
2024BuickEnclaveN/AInput Sensor
2024BuickEnvisionN/AInput Sensor
2024CadillacXT4N/AInput Sensor
2024CadillacXT5N/AInput Sensor
2024CadillacXT6N/AInput Sensor
2024ChevroletBlazerN/AInput Sensor
2024ChevroletTrailblazerN/AInput Sensor
2024ChevroletTraverseN/AInput Sensor
2024GMCAcadiaN/AInput Sensor
2024GMCTerrainN/AInput Sensor
2023BuickEnclaveN/AInput Sensor
2023BuickEnvisionN/AInput Sensor
2023CadillacXT4N/AInput Sensor
2023CadillacXT5N/AInput Sensor
2023CadillacXT6N/AInput Sensor
2023ChevroletBlazerN/AInput Sensor
2023ChevroletTrailblazerN/AInput Sensor
2023ChevroletTraverseN/AInput Sensor
2023GMCAcadiaN/AInput Sensor
2023GMCTerrainN/AInput Sensor
2022BuickEnclaveN/AInput Sensor
2022BuickEnvisionN/AInput Sensor
2022CadillacXT4N/AInput Sensor
2022CadillacXT5N/AInput Sensor
2022CadillacXT6N/AInput Sensor
2022ChevroletBlazerN/AInput Sensor
2022ChevroletMalibu2.0LL4N/AInput Sensor
2022ChevroletTrailblazerN/AInput Sensor
2022ChevroletTraverseN/AInput Sensor
2022GMCAcadiaN/AInput Sensor
2022GMCTerrainN/AInput Sensor
2021BuickEnclaveN/AInput Sensor
2021BuickEnvisionN/AInput Sensor
2021CadillacXT4N/AInput Sensor
2021CadillacXT5N/AInput Sensor
2021CadillacXT63.6LV6N/AInput Sensor
2021ChevroletBlazerN/AInput Sensor
2021ChevroletMalibu2.0LL4N/AInput Sensor
2021ChevroletTrailblazerN/AInput Sensor
2021ChevroletTraverseN/AInput Sensor
2021GMCAcadiaN/AInput Sensor
2021GMCTerrainN/AInput Sensor
2020BuickEnclaveN/AInput Sensor
2020BuickEnvision2.0LL4N/AInput Sensor
2020BuickRegal SportbackN/AInput Sensor
2020CadillacXT4N/AInput Sensor
2020CadillacXT5N/AInput Sensor
2020CadillacXT6N/AInput Sensor
2020ChevroletBlazerN/AInput Sensor
2020ChevroletEquinox2.0LL4N/AInput Sensor
2020ChevroletMalibu2.0LL4N/AInput Sensor
2020ChevroletTraverseN/AInput Sensor
2020GMCAcadiaN/AInput Sensor
2020GMCTerrainN/AInput Sensor
2019BuickEnclaveN/AInput Sensor
2019BuickEnvision2.0LL4N/AInput Sensor
2019BuickLaCrosse3.6LV6N/AInput Sensor
2019BuickRegal SportbackN/AInput Sensor
2019CadillacXT4N/AInput Sensor
2019ChevroletBlazerN/AInput Sensor
2019ChevroletCruzeAutomatic1.6LL4N/AInput Sensor
2019ChevroletEquinox2.0LL4N/AInput Sensor
2019ChevroletMalibu2.0LL4N/AInput Sensor
2019ChevroletTraverseN/AInput Sensor
2019GMCTerrainN/AInput Sensor
2018BuickEnclaveN/AInput Sensor
2018BuickLaCrosse3.6LV6N/AInput Sensor
2018BuickRegal SportbackN/AInput Sensor
2018ChevroletCruzeAutomatic1.6LL4N/AInput Sensor
2018ChevroletEquinox2.0LL4N/AInput Sensor
2018ChevroletMalibu2.0LL4N/AInput Sensor
2018ChevroletTraverseN/AInput Sensor
2018GMCTerrainN/AInput Sensor
2017ChevroletCruzeAutomatic1.6LL4N/AInput Sensor
2017ChevroletMalibu2.0LL4N/AInput Sensor
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
24279771SN8503VSS1335