Red Hound Auto Premium Shift Boot Seal (fits automatic transmissions only); Highest quality, helps protect shift linkage from dirt and debris; Constructed of durable heavy duty black automotive grade rubber; Direct fit replacement; Approximately 3-5/8" x 3" x 2-1/4"; Compatible with Cadillac/Chevrolet/GMC/Oldsmobile (2001-2006 Escalade, 2002-2006 Avalanche, 2000-2004 S10 & Blazer, 2003-2009 Express, 2000-2006 Silverado, 2007 Silverado Classic, 2000-2006 Suburban, 2000-2006 Tahoe, 2000-2004 Jimmy & Sonoma, 2003-2009 Savana, 2000-2006 Sierra, 2000-2006 Yukon, 2000 2004 Bravada); Genuine Red Hound Auto product, designed for a direct, perfect fit (Reference: 2609-3753 26093753)