{"product_id":"68144664ab-genuine-mopar-brake-master-cylinder","title":"68144664AB Genuine Mopar Brake Master Cylinder","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-8 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe 68144664AB brake master cylinder generates hydraulic pressure when the brake pedal is applied and distributes brake fluid through the factory hydraulic braking system to operate the vehicle's brake components. It is designed to maintain consistent brake pressure and proper fluid flow during normal driving conditions while working with the original brake booster, brake lines, calipers, and other factory braking system components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; height: autopx;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 10.4426%; text-align: center; height: 19.6px;\"\u003e\u003cstrong\u003eYear\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 31.7955%; text-align: center; height: 19.6px;\"\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 18.3915%; text-align: center; height: 19.6px;\"\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 38.6534%; text-align: center; height: 19.6px;\"\u003e\u003cstrong\u003eTrims\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.4426%;\"\u003e2018\u003c\/td\u003e\n\u003ctd style=\"width: 31.7955%;\"\u003eRam 2500\u003c\/td\u003e\n\u003ctd style=\"width: 18.3915%;\"\u003e5.7L V8 - CNG, 6.4L V8 - Gas, 6.7L L6 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 38.6534%;\"\u003eBig Horn, Laramie, Laramie Longhorn, Limited, Power Wagon, SLT, Tradesman\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.4426%;\"\u003e2018\u003c\/td\u003e\n\u003ctd style=\"width: 31.7955%;\"\u003eRam 3500\u003c\/td\u003e\n\u003ctd style=\"width: 18.3915%;\"\u003e5.7L V8 - Gas, 6.4L V8 - Gas, 6.7L L6 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 38.6534%;\"\u003eBig Horn, Laramie, Laramie Longhorn, Limited, SLT, Tradesman\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.4426%;\"\u003e2017\u003c\/td\u003e\n\u003ctd style=\"width: 31.7955%;\"\u003eRam 2500\u003c\/td\u003e\n\u003ctd style=\"width: 18.3915%;\"\u003e5.7L V8 - CNG, 6.4L V8 - Gas, 6.7L L6 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 38.6534%;\"\u003eBig Horn, Laramie, Laramie Longhorn, Limited, Power Wagon, SLT, Tradesman\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.4426%;\"\u003e2017\u003c\/td\u003e\n\u003ctd style=\"width: 31.7955%;\"\u003eRam 3500\u003c\/td\u003e\n\u003ctd style=\"width: 18.3915%;\"\u003e5.7L V8 - Gas, 6.4L V8 - Gas, 6.7L L6 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 38.6534%;\"\u003eBig Horn, Laramie, Laramie Longhorn, Limited, Lone Star, SLT, Tradesman\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.4426%;\"\u003e2016\u003c\/td\u003e\n\u003ctd style=\"width: 31.7955%;\"\u003eRam 2500\u003c\/td\u003e\n\u003ctd style=\"width: 18.3915%;\"\u003e5.7L V8 - CNG, 6.4L V8 - Gas, 6.7L L6 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 38.6534%;\"\u003eBig Horn, Laramie, Laramie Longhorn, Limited, Outdoorsman, Power Wagon, SLT, Tradesman\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.4426%;\"\u003e2016\u003c\/td\u003e\n\u003ctd style=\"width: 31.7955%;\"\u003eRam 3500\u003c\/td\u003e\n\u003ctd style=\"width: 18.3915%;\"\u003e5.7L V8 - Gas, 6.4L V8 - Gas, 6.7L L6 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 38.6534%;\"\u003eBig Horn, Laramie, Laramie Longhorn, Limited, SLT, Tradesman\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.4426%;\"\u003e2015\u003c\/td\u003e\n\u003ctd style=\"width: 31.7955%;\"\u003eRam 2500\u003c\/td\u003e\n\u003ctd style=\"width: 18.3915%;\"\u003e5.7L V8 - CNG, 6.4L V8 - Gas, 6.7L L6 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 38.6534%;\"\u003eBig Horn, Laramie, Laramie Limited, Laramie Longhorn, Lone Star, Outdoorsman, Power Wagon, SLT, Tradesman\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.4426%;\"\u003e2015\u003c\/td\u003e\n\u003ctd style=\"width: 31.7955%;\"\u003eRam 3500\u003c\/td\u003e\n\u003ctd style=\"width: 18.3915%;\"\u003e5.7L V8 - Gas, 6.4L V8 - Gas, 6.7L L6 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 38.6534%;\"\u003eBig Horn, Laramie, Laramie Limited, Laramie Longhorn, Lone Star, SLT, Tradesman\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.4426%;\"\u003e2014\u003c\/td\u003e\n\u003ctd style=\"width: 31.7955%;\"\u003eRam 2500\u003c\/td\u003e\n\u003ctd style=\"width: 18.3915%;\"\u003e5.7L V8 - CNG, 6.4L V8 - Gas, 6.7L L6 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 38.6534%;\"\u003eBig Horn, Laramie, Laramie Limited, Laramie Longhorn, Lone Star, Outdoorsman, Power Wagon, SLT, Tradesman\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.4426%;\"\u003e2014\u003c\/td\u003e\n\u003ctd style=\"width: 31.7955%;\"\u003eRam 3500\u003c\/td\u003e\n\u003ctd style=\"width: 18.3915%;\"\u003e5.7L V8 - Gas, 6.4L V8 - Gas, 6.7L L6 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 38.6534%;\"\u003eBig Horn, Laramie, Laramie Limited, Laramie Longhorn, Lone Star, SLT, Tradesman\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.4426%;\"\u003e2013\u003c\/td\u003e\n\u003ctd style=\"width: 31.7955%;\"\u003eRam 2500\u003c\/td\u003e\n\u003ctd style=\"width: 18.3915%;\"\u003e5.7L V8 - CNG, 6.7L L6 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 38.6534%;\"\u003eBig Horn, Laramie, Laramie Longhorn, Lone Star, Outdoorsman, SLT, Tradesman\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.4426%;\"\u003e2013\u003c\/td\u003e\n\u003ctd style=\"width: 31.7955%;\"\u003eRam 3500\u003c\/td\u003e\n\u003ctd style=\"width: 18.3915%;\"\u003e5.7L V8 - Gas, 6.7L L6 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 38.6534%;\"\u003eBig Horn, Laramie, Laramie Longhorn, Lone Star, SLT, Tradesman\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.4426%;\"\u003e2012\u003c\/td\u003e\n\u003ctd style=\"width: 31.7955%;\"\u003eRam 2500\u003c\/td\u003e\n\u003ctd style=\"width: 18.3915%;\"\u003e5.7L V8 - Bi-Fuel, 6.7L L6 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 38.6534%;\"\u003eLaramie, Laramie Longhorn, Outdoorsman, SLT, ST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.4426%;\"\u003e2012\u003c\/td\u003e\n\u003ctd style=\"width: 31.7955%;\"\u003eRam 3500\u003c\/td\u003e\n\u003ctd style=\"width: 18.3915%;\"\u003e5.7L V8 - Gas, 6.7L L6 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 38.6534%;\"\u003eLaramie, Laramie Longhorn, SLT, ST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable class=\"product-table\" style=\"height: 95.8px; width: 100% !important; table-layout: fixed !important; display: table !important;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 35.2244%;\"\u003e\n\u003ccol style=\"width: 64.5262%;\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e68144664AB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMopar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBrake Master Cylinder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2018–2012\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.4 x 10.7 x 11.2 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.18 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDirect Replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe 68144664AB brake master cylinder generates hydraulic pressure for the factory braking system when the brake pedal is applied. It distributes brake fluid through the hydraulic brake circuits to support consistent braking performance.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenerates hydraulic pressure for the factory brake system during brake pedal operation\u003c\/li\u003e\n\u003cli\u003eDistributes brake fluid through the hydraulic brake circuits as designed\u003c\/li\u003e\n\u003cli\u003eInstalls using the original mounting points and factory brake line connections\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible Mopar hydraulic braking system applications\u003c\/li\u003e\n\u003cli\u003eSupports consistent brake pedal response under normal driving conditions\u003c\/li\u003e\n\u003cli\u003eDirect Replacement for the original brake master cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplication Notes\u003c\/h2\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe 68144664AB is designed for compatible Ram 2500 and Ram 3500 models equipped with the factory hydraulic brake system and installs using the original mounting locations and brake line connections. Inspect the brake fluid reservoir, brake lines, hydraulic seals, and related brake system components before installing the new master cylinder.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-8 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eAlways verify part number, steering column configuration, vehicle equipment, and vehicle compatibility before installation.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/blockquote\u003e","brand":"Mopar","offers":[{"title":"Default Title","offer_id":49497592758499,"sku":"68144664AB","price":248.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/5122\/4547\/files\/s-l1600_b7b73192-8e68-4116-9a0f-486f2d185442.webp?v=1785835528","url":"https:\/\/unitautoparts.com\/products\/68144664ab-genuine-mopar-brake-master-cylinder","provider":"Unit Auto Parts","version":"1.0","type":"link"}