[Vehicle Fitment]: This Automotive Replacement brake calipers is Compatible with 2007-2018 Hyundai Santa Fe;2019 Hyundai Santa Fe XL [Brake Caliper Specification] ： Reference number : 19-B3211 19-B3210 OE Number： Front Driver and Passenger Side Piston Quantity : 2 Piston Size OD - Metric : φ 45 Inlet Thread Size : M10X1 Bleeder Thread Size : M7X1 Bracket Thread Size: M12X1.25 Bracket Thread Pitch-row: Sealing ring material : EPDM Brake Caliper Pair Set of 2 is coated with antirust coating, which can effectively prolong the service life. [Brake caliper material]: This type of caliper is made of heat-resistant, pressure resistant, and wear-resistant ductile iron inside, and is rust proof on the surface by electroplating. And equipped with high-temperature EPDM rubber dust cover and high-quality silicone lubricant to ensure smoother performance and longer durability under harsh conditions. [Compliant with international standards]: Prior to entering the market, Each brake caliper has passed internal liquid fatigue testing, burst testing, and salt spray testing, all of which comply with international standards to ensure that every user receives a high level of product quality. [Perfect Match]: Each brake caliper is reproduced 1:1 according to the original molds of different models to ensure a perfect fit. The users can easily install, realize quick replacement and upgrade, and enhance the performance of the vehicle