Description About this item Compatible with 2002 Cadillac Escalade Chevrolet Avalanche 1500 2500 Chevrolet Sonora Compatible with 1999-2002 Chevrolet Silverado 1500 GMC Sierra 1500 Compatible with 2001-2002 Chevrolet Silverado 3500 GMC Sierra 3500 Compatible with 2000-2002 Chevrolet Suburban 1500 2500 Chevrolet Tahoe GMC Yukon GMC Yukon Xl 1500 2500 Replacement OEM Number: 18060789, 18040252, 18048538, 390541, F140673, 19209249, 13-2881, M630031, 13570, 10-2881 Bore Diameter: 34 mm; Number of Outlets: 2; Forward Outlet Size: 1/2-20; Rearward Outlet Size: 1/2-20; Package Contents: Master Cylinder; Installation Hardware Included: No; Reservoir Included: Yes; Sensor Included: Yes This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement. We support 1 year warranty