Replace Part Numbers: 920-023, 920023, DWS226, 1S17415, 10398563, 15109666, 15112970, 15125141, 15181222, 15195299, 15202849, 15883318 Compatible: For Chevy For 2003-2006 Chevrolet Silverado 1500 For 2007 Chevrolet Silverado 1500 Classic For 2003-2004 Chevrolet Silverado 2500 For 2003-2006 Chevrolet Silverado 2500 HD For 2007 Chevrolet Silverado 2500 HD Classic For 2003-2006 Chevrolet Silverado 3500 For 2007 Chevrolet Silverado 3500 Classic For GMC For 2003-2006 GMC Sierra 1500 For 2007 GMC Sierra 1500 Classic For 2003-2004 GMC Sierra 2500 For 2003-2006 GMC Sierra 2500 HD For 2007 GMC Sierra 2500 HD Classic For 2003-2006 GMC Sierra 3500 For 2007 GMC Sierra 3500 Classic Purchase Attention: Fit 4+26+10+12+10 pins only! If the pins do not match, this part will not fit. Please check OE number and plug pins before purchase it! Please compare the plug configuration of original switch with pictures to ensure you are ordering the correct part! Position: Left (Driver Side). Made of ABS plastic & PP plastic, anti-burning, heat resistant, impact-resistant, and excellent electrical, properties for long service life. High Quality: Direct replacement for a proper fit and easy installation, meets or exceeds OEM standards, 100% tested before shipping. Just need to remove your original master power window control switch and install. Replace Part Numbers: 920-023, 920023, DWS226, 1S17415, 10398563, 15109666, 15112970, 15125141, 15181222, 15195299, 15202849, 15883318 Compatible: For Chevy For 2003-2006 Chevrolet Silverado 1500 For 2007 Chevrolet Silverado 1500 Classic For 2003-2004 Chevrolet Silverado 2500 For 2003-2006 Chevrolet Silverado 2500 HD For 2007 Chevrolet Silverado 2500 HD Classic For 2003-2006 Chevrolet Silverado 3500 For 2007 Chevrolet Silverado 3500 Classic For GMC For 2003-2006 GMC Sierra 1500 For 2007 GMC Sierra 1500 Classic For 2003-2004 GMC Sierra 2500 For 2003-2006 GMC Sierra 2500 HD For 2007 GMC Sierra 2500 HD Classic For 2003-2006 GMC Sierra 3500 For 2007 GMC Sierra 3500 Classic Description: Terminal Quantity: 4+26+10+12+10 Pins Location: Front Left Driver Side Switch Type: Master 100% Brand New. High Quality Fitment Type: Direct Replacement Professional Installation is Highly Recommended Features: 1. New and nice quality and easy install. 2. Correct connector no cutting or splicing. 3. Built to strict quality control standards. Not easy to damage, long service life. 4. Stable performance, high reliability. A perfect replacement for your old ones. 5. Made of high quality material, give a sharper and more sophisiticated look for your car. Package List: 1 PCS Driver Side Master Power Window Switch