Dorman 901-072 4WD Switch

Dorman 901-072 4WD Switch for Push-Button Transfer Cases

The Dorman 901-072 4WD switch is a dash-mounted replacement for vehicles equipped with a 2-speed push button shift transfer case. It is built to match the original switch’s appearance and function while using quality materials for dependable operation.

For drivers searching for a 4WD switch for Chevrolet Silverado, GMC Sierra, Cadillac Escalade, or Tahoe applications, this OE-style replacement helps restore transfer case control without changing the factory dash layout.

Key Features

• Dash-mounted 4WD switch for factory-style placement
• Pin terminal design for direct electrical connection
• No attached lead wires
• No wiring harness included
• Engineered to match original switch appearance and function
• Built with quality materials for durability and reliable performance
• Cross-reference part numbers include Standard Ignition TCA-47 and SKP SK901072

Detailed Description

This Dorman 4WD switch, part number 901-072, is designed for vehicles using RPO code NP8 with a 2-speed push button shift transfer case. It is a practical replacement for worn, unresponsive, or damaged dash switches in GM trucks and SUVs, including Chevrolet Silverado, GMC Sierra, Cadillac Escalade, and related Yukon and Tahoe models. The switch is shaped and configured to follow the original equipment layout, helping maintain factory operation and appearance.

Compatible With 2003-2006 Chevrolet Avalanche 1500, 2003-2006 Chevrolet Avalanche 2500, 2003-2006 Chevrolet Silverado 1500, 2003-2006 Chevrolet Silverado 1500 HD, 2003-2006 Chevrolet Silverado 2500 HD, 2003-2006 Chevrolet Suburban 1500, 2003-2006 Chevrolet Suburban 2500, 2003-2006 Chevrolet Tahoe, 2003-2006 GMC Sierra 1500, 2003-2006 GMC Sierra 1500 HD, 2003-2006 GMC Sierra 2500 HD, 2003-2006 GMC Yukon, 2003-2006 GMC Yukon XL 1500, 2003-2006 GMC Yukon XL 2500, 2003-2004 Chevrolet Silverado 2500, 2003-2004 Chevrolet Silverado 3500, 2003-2004 GMC Sierra 2500, 2003-2004 GMC Sierra 3500, and 2006-2007 Cadillac Escalade, Escalade ESV, and Escalade EXT; also 2007 Chevrolet Silverado 1500 Classic, Silverado 1500 HD Classic, Silverado 2500 HD Classic, and 2007 GMC Sierra 1500 Classic, Sierra 1500 HD Classic, and Sierra 2500 HD Classic.

What It Helps Fix

• Inoperative 4WD mode selection from the dash switch
• Intermittent transfer case button response
• Worn, cracked, or damaged factory switch face
• Loss of original dash switch feel or function
• Electrical connection issues at the switch terminal interface

Installation Notes and Tips

Verify the vehicle has RPO code NP8 and a 2-speed push button shift transfer case before ordering. This switch uses pin terminals, has no attached lead wires, and does not include a wiring harness, so confirm the existing connector and dash opening match the original setup. The Dorman 901-072 is intended for dash installation in the factory switch location.

Quality Assurance

Dorman designs this replacement switch to match original fit and function on specified applications. The part is manufactured from quality materials to support reliable performance and long service life in daily use.