{"title":"Caliper Rebuild Kits","description":null,"products":[{"product_id":"mastercool-43050-powered-brake-caliper-dk2608241xvsgzwt","title":"Mastercool 43050 Air-Powered Brake Caliper Wind-Back Tool Kit – 15-Piece Adapter Set, Left\/Right Hand Operation, 3\/8' Drive, Magnetic Base","description":"\u003cp\u003e\u003cspan\u003eOverview\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e The Mastercool 43050 Air-Powered Brake Caliper Wind-Back Tool Kit is a professional-grade solution for retracting both front and rear caliper pistons during brake service. Designed for pneumatic operation, this tool enables a single technician to perform brake jobs quickly and efficiently—without the effort of manual compression tools. It's ideal for vehicles with electronic parking brakes or challenging caliper access.\u003cbr\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e The 43050 includes a 15-piece press adapter set to fit a wide range of caliper piston configurations. The tool supports both clockwise and counterclockwise rotation, allowing it to work with right- and left-hand threaded calipers. A magnetic base keeps adapters securely positioned, while the chrome alloy shaft and rubber protective sleeve help prevent caliper or component damage. The anodized aluminum body offers lightweight durability, and the O-ring–sealed shaft ensures consistent pneumatic pressure during operation.\u003cbr\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eWhy Mastercool\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e Mastercool designs tools for professionals who expect performance, durability, and long-term reliability. With nearly 50 years of experience and U.S.-based support, our tools are trusted in shops and service bays worldwide. The 43050 is built to streamline brake service—safely, quickly, and effectively.\u003cbr\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e - Operation: Pneumatic, single piston press shaft\u003cbr\u003e - Application: Front and rear caliper pistons\u003cbr\u003e - Rotation: Right- and left-hand wind-back\u003cbr\u003e - Adapter Compatibility: 15-piece press adapter set\u003cbr\u003e - Drive Type: 3\/8' air compressor adapter\u003cbr\u003e - Body Material: Anodized aluminum\u003cbr\u003e - Shaft Material: Chrome alloy steel with rubber guard\u003cbr\u003e - Sealing: O-ring protected shaft\u003cbr\u003e - Storage: Custom molded plastic carrying case\u003cbr\u003e - Weight: Approx. 4 lbs\u003cbr\u003e - Mastercool Part Number: 43050\u003cbr\u003e - UPC: 700376430509\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003eAdditional details\u003c\/p\u003e\u003cul\u003e\u003cli\u003eMaterial Type : Aluminum\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eFeatures \u0026amp; Specs\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAutomotive Fit Type : Universal Fit\u003c\/li\u003e\n\u003cli\u003eExterior Finish : Aluminum\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eItem details\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eASIN : B07CV1C1LS\u003c\/li\u003e\n\u003cli\u003eBrand Name : Mastercool\u003c\/li\u003e\n\u003cli\u003eGlobal Trade Identification Number : 00700376430509\u003c\/li\u003e\n\u003cli\u003eIncluded Components : 15 piece press adapter set ^ O-ring protected shaft to maintain proper pressure ^ Center shaft constructed of chrome alloy steel^Protective rubber guard to prevent damage to shaft and caliper ^3\/8' drive adapter surface\u003c\/li\u003e\n\u003cli\u003eItem Type Name : Air Powered Brake Caliper Wind Back Tool Kit\u003c\/li\u003e\n\u003cli\u003eItem Weight : 4 Pounds\u003c\/li\u003e\n\u003cli\u003eManufacturer : Mastercool\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number : 43050\u003c\/li\u003e\n\u003cli\u003eManufacturer Warranty Description : 1 Year from Date of purchase\u003c\/li\u003e\n\u003cli\u003eModel Number : 43050\u003c\/li\u003e\n\u003cli\u003eUPC : 700376430509\u003c\/li\u003e\n\u003cli\u003eUnit Count : 1.0 Count\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mastercool","offers":[{"title":"Complete Kit – Tool + 15 Adapters + Case","offer_id":44579577397337,"sku":"DK2608241XVSGZWT","price":65.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/4426\/5817\/files\/71kz6kBVJUL._AC_SL1500.jpg?v=1787715277"},{"product_id":"mastercool-43051-powered-brake-caliper-gf260824hxmf0ap8","title":"Mastercool 43051 Air-Powered Brake Caliper Wind-Back Tool – TOOL ONLY, No Adapters – Pneumatic Piston Compressor with Left\/Right Rotation and 3\/8' Drive","description":"\u003cp\u003e\u003cspan\u003eOverview\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e The Mastercool 43051 is a \u003c\/span\u003e\u003cspan\u003estandalone, air-powered brake caliper wind-back tool\u003c\/span\u003e\u003cspan\u003e engineered for use with existing adapter heads. Designed for pneumatic operation, this tool allows technicians to retract front and rear caliper pistons easily and efficiently. This model is ideal for shops and users who already own the full adapter set (included with model 43050) and only need the replacement tool.\u003cbr\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e With support for both right- and left-hand threaded pistons, the 43051 offers full compatibility with most front and rear caliper systems. The 3\/8' drive connects directly to standard air compressor lines, while the chrome-alloy shaft and O-ring seal ensure durability and smooth performance. The lightweight anodized aluminum housing adds strength without extra bulk—making this tool reliable and easy to use.\u003cbr\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eIMPORTANT NOTE\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e This product is \u003c\/span\u003e\u003cspan\u003ethe tool only\u003c\/span\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cspan\u003edoes not include adapter heads or a storage case\u003c\/span\u003e\u003cspan\u003e. For the complete kit, see Mastercool model 43050.\u003cbr\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eWhy Mastercool\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e Mastercool has been designing professional-grade tools for nearly five decades. The 43051 reflects that commitment to performance and reliability—backed by responsive, U.S.-based support and industry-proven durability.\u003cbr\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e - Model: 43051 (Tool Only)\u003cbr\u003e - Operation: Pneumatic, single piston press shaft\u003cbr\u003e - Application: Front and rear brake caliper pistons\u003cbr\u003e - Rotation: Left- and right-hand wind-back\u003cbr\u003e - Drive: 3\/8' air compressor adapter\u003cbr\u003e - Body Material: Anodized aluminum\u003cbr\u003e - Shaft Sealing: O-ring protected\u003cbr\u003e - Weight: Approx. 2.5 lbs\u003cbr\u003e - Adapter Set: \u003c\/span\u003e\u003cspan\u003eNot included\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e - Carry Case: \u003c\/span\u003e\u003cspan\u003eNot included\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e - UPC: [Please confirm]\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003eAdditional details\u003c\/p\u003e\u003cul\u003e\u003cli\u003eMaterial Type : Aluminum\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eFeatures \u0026amp; Specs\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAutomotive Fit Type : Universal Fit\u003c\/li\u003e\n\u003cli\u003eExterior Finish : Aluminum\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eItem details\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eASIN : B07CSF75DK\u003c\/li\u003e\n\u003cli\u003eBrand Name : Mastercool\u003c\/li\u003e\n\u003cli\u003eGlobal Trade Identification Number : 00700376430516\u003c\/li\u003e\n\u003cli\u003eIncluded Components : Air Powered Brake Caliper Wind back tool\u003c\/li\u003e\n\u003cli\u003eItem Type Name : Air Powered Brake Caliper Wind Back Tool\u003c\/li\u003e\n\u003cli\u003eItem Weight : 2 Pounds\u003c\/li\u003e\n\u003cli\u003eManufacturer : Mastercool\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number : 43051\u003c\/li\u003e\n\u003cli\u003eManufacturer Warranty Description : 1 Year from Date of purchase\u003c\/li\u003e\n\u003cli\u003eModel Number : 43051\u003c\/li\u003e\n\u003cli\u003eUPC : 700376430516\u003c\/li\u003e\n\u003cli\u003eUnit Count : 1.0 Count\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mastercool","offers":[{"title":"Tool Only – No Adapters or Case","offer_id":44579577430105,"sku":"GF260824HXMF0AP8","price":44.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/4426\/5817\/files\/61SHgtUJ19L._AC_SL1500.jpg?v=1787715278"}],"url":"https:\/\/zemrelwyck.com\/collections\/caliper-rebuild-kits.oembed","provider":"Zemrelwyck","version":"1.0","type":"link"}