{"product_id":"powerflex-pfr57-820-porsche-9872-981-engine-mount-bush","title":"Powerflex Engine Mount Replacement Bush - Porsche 987.2 \u0026 981 Boxster\/Cayman","description":"\u003cp\u003e\u003cstrong\u003eFull replacement bush for the front engine mounting on Porsche 987.2 and 981 Boxster\/Cayman applications.\u003c\/strong\u003e Powerflex PFR57-820 replaces the original rubber bush rather than filling its voids with an insert. The original mounting bracket is retained.\u003c\/p\u003e\u003ch2\u003e2009-on mounting design\u003c\/h2\u003e\u003cp\u003ePowerflex identifies the \u003cstrong\u003e987.2 and 981 Boxster\/Cayman, including Cayman R\u003c\/strong\u003e, using original references \u003cstrong\u003e9A137504601 and 9A137502322\u003c\/strong\u003e. The 2009 change matters: earlier 986\/987.1 applications use the \u003ca href=\"\/products\/powerflex-pfr57-520-porsche-986-987-1-front-engine-mount-bush\"\u003ePFR57-520 family\u003c\/a\u003e instead. This listing does not establish fitment for the 718\/982 or 911.\u003c\/p\u003e\u003ch2\u003eSupplied quantity and construction\u003c\/h2\u003e\u003cp\u003eOne replacement bush assembly is supplied, with the corresponding sleeve, outer shell and supporting washers. The Road Series \u003cstrong\u003ePFR57-820\u003c\/strong\u003e uses Yellow 70A polyurethane. The \u003cstrong\u003ePFR57-820BLK\u003c\/strong\u003e option is the Black Series track\/motorsport specification. Neither option includes a complete engine mounting bracket.\u003c\/p\u003e\u003ch2\u003eReplacement bush or supporting insert?\u003c\/h2\u003e\u003cp\u003eChoose this family when replacing the bush itself. The separate \u003ca href=\"\/products\/powerflex-pfr57-821-porsche-9872-981-engine-mount-insert\"\u003ePFR57-821 insert\u003c\/a\u003e supports a retained original bush and is a different installation. An insert should not be used as a repair for torn or failed rubber.\u003c\/p\u003e\u003ch2\u003eRefinement and installation\u003c\/h2\u003e\u003cp\u003eControlling engine movement with firmer material can increase noise and vibration, particularly at idle. Choose the specification around road use versus track priorities. Inspect the mounting bracket and adjacent components, follow the manufacturer instructions and have any persistent vibration diagnosed rather than assuming a bush will cure every cause.\u003c\/p\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/powerflex-performance-polyurethane-bushes\"\u003ePowerflex range\u003c\/a\u003e or view the \u003ca href=\"https:\/\/www.powerflex.co.uk\/product-details\/Front%2BEngine%2BMount%2BBush%2B\/14289.html\"\u003emanufacturer's application and fitting notes\u003c\/a\u003e. Check the exact mounting before ordering; there is no blanket fitment guarantee.\u003c\/p\u003e","brand":"Powerflex","offers":[{"title":"Road Series","offer_id":65968405807453,"sku":"PFR57-820","price":111.5,"currency_code":"GBP","in_stock":false},{"title":"Black Series","offer_id":65968405840221,"sku":"PFR57-820BLK","price":122.14,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0799\/0411\/2989\/files\/powerflex-pfr57-820-porsche-981-9872-engine-mount-bush.png?v=1789891975","url":"https:\/\/nineteen72performance.co.uk\/products\/powerflex-pfr57-820-porsche-9872-981-engine-mount-bush","provider":"Nineteen72 Performance","version":"1.0","type":"link"}