Standard Ignition SC473 Vehicle Speed Sensor

Transmission Input Sensor Replacement

Standard Ignition SC473 is a direct-fit vehicle speed sensor and transmission input sensor replacement for a wide range of GM applications. It uses OE-style mounting and connector details to support straightforward installation on the transmission.

Built with high-quality materials and tested for reliability, this Standard Ignition SC473 sensor is made for demanding underhood and drivetrain conditions. It is a practical replacement for Chevrolet Impala, Chevrolet Equinox, GMC Terrain, and related models that need accurate transmission input speed signal performance.

Key Features

• Direct-fit OE replacement for transmission input sensor and vehicle speed sensor applications
• Mounts on the transmission with a flange-style design
• Plug-in rectangular connector with male connector gender
• Female blade terminals with integrated wiring harness
• 23.5-inch harness length for OE-style routing
• High-quality construction for use in extreme operating conditions
• Standard Ignition SC473 cross-references select aftermarket part numbers for the same application

Detailed Description

The Standard Ignition SC473 is engineered as an OE replacement sensor for vehicles that rely on accurate transmission input speed data. It features one rectangular plug-in connector, female blade terminals, and a harness included for a cleaner replacement on the transmission. This makes it a strong match for service work on Chevrolet Impala, Chevrolet Equinox, Chevrolet Traverse, GMC Acadia, GMC Terrain, Cadillac SRX, and other listed applications.

Because the sensor mounts directly on the transmission, correct signal input is important for drivability and transmission control. The SC473 is built to meet those demands with materials selected to withstand harsh operating conditions and manufacturing controls that support consistent quality. This part number, SC473, is a direct-fit option for technicians and DIY repairs seeking OE-style replacement performance.

What It Helps Fix

• Erratic or missing vehicle speed signal from the transmission
• Transmission shifting concerns related to input speed sensor data
• Illuminated check engine light tied to speed sensor faults
• Harsh, delayed, or inconsistent shifting behavior
• Failed sensor connector or harness-related replacement needs

Installation Notes and Tips

Install on the transmission using the flange mount location and verify the connector orientation before seating the plug. Inspect the harness routing and surrounding transmission components for damage, corrosion, or fluid contamination before installation. Confirm vehicle application by year, make, and model before ordering; this SC473 sensor is listed for 2007-2020 GM passenger and crossover applications including Chevrolet Impala, Chevrolet Equinox, Chevrolet Traverse, GMC Acadia, GMC Terrain, Cadillac XTS, and related models.

For cross-reference purposes, this part cross-references select aftermarket numbers such as 5S8112 and 72-4053 for the same application.

Quality Assurance

Standard Ignition manufactures automotive aftermarket electrical components with in-process quality control and extensive testing to support reliable replacement performance. The SC473 is an OE replacement sensor built to match the original fit and connection style for the listed vehicles.

• Fits 2012-2020 Chevrolet Impala, Input Sensor
• Fits 2013-2019 Cadillac XTS
• Fits 2016-2017 Buick Regal
• Fits 2008-2017 Chevrolet Equinox
• Fits 2009-2017 Chevrolet Traverse
• Fits 2017 GMC Acadia Limited, Automatic Transmission Input Sensor
• Fits 2010-2017 GMC Terrain
• Fits 2010-2016 Cadillac SRX
• Fits 2014-2016 Chevrolet Impala Limited
• Fits 2007-2016 GMC Acadia
• Fits 2012-2015 Chevrolet Impala
• Fits 2008-2012 Chevrolet Malibu
• Fits 2010 Buick LaCrosse
• Fits 2007-2010 Pontiac G6
• Fits 2007-2010 Saturn Outlook
• Fits 2009-2010 Saturn Vue
• Fits 2008-2009 Pontiac Torrent
• Fits 2007-2009 Saturn Aura