Rear parking sensors to assist with parking, for Chevrolet Silverado/Tahoe/Suburban, GMC Yukon XL/Sierra, and Cadillac CTS/XTS/XT5/CT6/Escalade, and Buick Encore/Lacrosse 4.3/5.3/6.0L 52050134 I bought it from Amazon for a 19 Tahoe but unfortunately it doesn't fit the Tahoe model. The specifications above are what's mentioned on the website. Each one for 50 SAR