{"product_id":"dorman-cm640137-clutch-master-cylinder","title":"Dorman CM640137 Clutch Master Cylinder","description":"\u003ch2\u003eReliable Clutch Master Cylinder for Volkswagen Corrado and Passat\u003c\/h2\u003e\u003cp\u003eThe Dorman CM640137 clutch master cylinder is designed to restore proper clutch function in Volkswagen Corrado and Passat models. Engineered as a standard replacement part, it ensures consistent hydraulic pressure for smooth clutch operation.\u003c\/p\u003e\u003ch2\u003eKey Features of Dorman CM640137 Clutch Master Cylinder\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBore diameter of 19 mm for precise hydraulic control\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for dependable performance\u003c\/li\u003e\n\u003cli\u003eOutlet thread size M12 x 1.0 for secure hydraulic line connection\u003c\/li\u003e\n\u003cli\u003ePort thread diameter M12 compatible with OEM specifications\u003c\/li\u003e\n\u003cli\u003eIncludes clutch master cylinder component only\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis clutch master cylinder from Dorman, part number CM640137, is engineered to meet the exact specifications required for Volkswagen Corrado and Passat manual transmission systems. The 19 mm bore diameter provides the necessary hydraulic pressure to engage and disengage the clutch smoothly. The M12 x 1.0 outlet thread size and M12 port thread diameter ensure compatibility with the vehicle’s hydraulic lines, maintaining a secure and leak-free connection. As a standard replacement, this component is designed to restore the clutch system’s original performance without modification.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Clutch Master Cylinder\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDifficulty shifting gears due to low or inconsistent hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eClutch pedal feels spongy or sinks to the floor\u003c\/li\u003e\n\u003cli\u003eHydraulic fluid leaks from the master cylinder\u003c\/li\u003e\n\u003cli\u003eDelayed clutch engagement or disengagement\u003c\/li\u003e\n\u003cli\u003eLoss of clutch pedal resistance affecting drivability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman CM640137 clutch master cylinder, ensure the hydraulic system is properly bled to remove air pockets for optimal clutch performance. Verify that the M12 outlet and port threads align correctly with the vehicle’s hydraulic lines to prevent leaks. It is recommended to inspect related components such as the clutch slave cylinder and hydraulic lines during replacement to maintain system integrity.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the CM640137 clutch master cylinder to meet or exceed OEM standards for fit, form, and function. This part undergoes rigorous quality control to ensure durability and reliable operation in Volkswagen Corrado and Passat vehicles. Warranty coverage details can be obtained from the product documentation or authorized sources.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":51913051570357,"sku":"BKKX-CM640137","price":146.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_CM640137_Fro.jpg?v=1774995814","url":"https:\/\/www.partcatalog.com\/products\/dorman-cm640137-clutch-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}