NP246 Trucks Front-Output Seal Installer Tool Fits Chevy GMC 1998-Up T-M109RAC. 1 × Front-Output Seal Install Tool. Perfectly fits for transferring the front-output seal of the 1998-up General Motors full-size truck, Chevrolet Avalanche 2007, Chevrolet Avalanche 1500 2006-2002, Chevrolet Silverado 1998, Chevrolet Silverado 1500 2007-1999, Chevrolet Silverado 1500 Classic 2007, Chevrolet Suburban 1500 2006-1998, Chevrolet Tahoe 2006-1998, GMC Sierra 1500 2007-1999, GMC Sierra 1500 Classic 2007, GMC Yukon 2006-1998, Cadillac Escalade 2000-1999.