{"product_id":"dorman-cm640221-clutch-master-cylinder","title":"Dorman CM640221 Clutch Master Cylinder","description":"\u003ch2\u003eDorman CM640221 Clutch Master Cylinder\u003c\/h2\u003e\u003cp\u003eDorman CM640221 is a direct replacement clutch master cylinder for manual transmission service on select Toyota Tacoma trucks. It is precision-engineered to match the original equipment design for a reliable replacement when the clutch master cylinder is leaking or not operating correctly.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement for the original clutch master cylinder\u003c\/li\u003e\n\u003cli\u003eFits 2018-2020 Toyota Tacoma applications\u003c\/li\u003e\n\u003cli\u003eAluminum construction with zinc finish\u003c\/li\u003e\n\u003cli\u003e0.75 bore diameter with piston cylinder design\u003c\/li\u003e\n\u003cli\u003eSingle outlet with M10 x 1.0 outlet thread size\u003c\/li\u003e\n\u003cli\u003eRemote reservoir design; reservoir not included\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for manual transmission repair\u003c\/li\u003e\n\u003cli\u003ePart number CM640221 for ordering and cross-reference\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dorman clutch master cylinder is built for select 2018-2020 Toyota Tacoma models and is intended to replace the original hydraulic unit with the same OE-style design. The aluminum body, piston-type cylinder, and 0.75 bore diameter support consistent clutch hydraulic operation, while the zinc finish helps protect the component in underhood conditions. CM640221 is a practical choice for restoring clutch pedal hydraulic function on a Toyota Tacoma with a leaking or malfunctioning master cylinder.\u003c\/p\u003e\u003cp\u003eThis part cross-references LuK LMC589 for the same application. The Dorman CM640221 part number is also useful when verifying the correct replacement during clutch hydraulic service.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eClutch pedal that sinks or loses hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eExternal fluid leakage at the master cylinder\u003c\/li\u003e\n\u003cli\u003eDifficulty disengaging the clutch\u003c\/li\u003e\n\u003cli\u003eInconsistent or soft clutch pedal feel\u003c\/li\u003e\n\u003cli\u003eHydraulic clutch operation problems on manual transmission Tacoma models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eFits 2018-2020 Toyota Tacoma, N\/A. Confirm the outlet thread size, bore diameter, and remote reservoir layout before installation. Because this unit is not pre-bled and does not include a reservoir, the hydraulic system will need to be filled and bled after installation. Inspect the clutch line, fittings, and related hydraulic components for wear or contamination during service. Verify the part number CM640221 against the removed component before assembly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman manufactures this clutch master cylinder as a standard replacement component engineered to match the original equipment design for the listed Toyota Tacoma applications.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52409489391797,"sku":"BKKX-CM640221","price":76.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_CM640221_Fro.jpg?v=1777778770","url":"https:\/\/www.partcatalog.com\/products\/dorman-cm640221-clutch-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}