Global Parts 1815558 Automatic Transmission Speed Sensor - Input or Output

Automatic Transmission Speed Sensor for GM HD Trucks

Global Parts 1815558 is an automatic transmission speed sensor for select Chevrolet Silverado HD and GMC Sierra HD applications. It uses a 2-terminal female connector with an oval shape and a plastic housing for direct replacement service on input and output sensor locations.

• Automatic transmission speed sensor for GM heavy-duty trucks
• Pin terminal type with 2 terminals and female connector gender
• Oval connector shape for application-specific fitment
• Plastic housing construction
• Mounting hardware not included
• Fits input and output sensor positions, depending on vehicle application

Fitment and Application Details

Compatible With Chevrolet Silverado 2500 HD, output: 2002, 2004, 2007-2008, 2010-2015. Compatible With Chevrolet Silverado 2500 HD, input: 2001, 2003, 2005, 2009. Compatible With Chevrolet Silverado 2500 HD Classic, output: 2007. Compatible With Chevrolet Silverado 3500, output: 2001, 2003-2005. Compatible With Chevrolet Silverado 3500, input: 2002. Compatible With Chevrolet Silverado 3500 Classic, output: 2007. Compatible With Chevrolet Silverado 3500 HD, input: 2007. Compatible With GMC Sierra 2500 HD, input: 2001, 2002-2003, 2007-2008, 2014-2015. Compatible With GMC Sierra 2500 HD, output: 2004-2005, 2009-2010, 2013. Compatible With GMC Sierra 2500 HD Classic, input: 2007. Compatible With GMC Sierra 3500, input: 2001, 2005. Compatible With GMC Sierra 3500, output: 2002-2004. Compatible With GMC Sierra 3500 HD, input: 2007, 2010-2011. Compatible With GMC Sierra 3500 HD, output: 2008-2009, 2012-2015.

This part cross-references Dorman - OE Solutions 917-637 and Delphi SS11824 for the same application. Part number 1815558 is also referenced in aftermarket catalogs for related GM transmission speed sensor service.

What This Sensor Helps Address

• Erratic or inaccurate transmission speed readings
• Harsh, delayed, or inconsistent shifting
• Transmission warning lights related to speed sensor faults
• Loss of transmission input or output speed signal
• Driveability concerns tied to sensor signal interruption

Installation Notes and Tips

Verify whether your vehicle uses an input or output sensor position before ordering. Match the connector shape, terminal count, and mounting style to the original part, and inspect the transmission connector and wiring for corrosion or damage during replacement. Global Parts 1815558 is listed for specific Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD applications, so confirm year, model, and position against the vehicle before installation.

Quality Assurance

Global Parts supplies this automatic transmission speed sensor as a direct-fit replacement component for the listed GM truck applications. The part is built with a plastic housing and OE-style connector configuration to support proper electrical connection and service replacement.