{"product_id":"sonnax-4-5-servo-piston-assembly-ford-5r55w-transmission","title":"Sonnax 4-5 Servo Piston Assembly - Ford 5R55W Transmission","description":"\u003cp\u003eSonnax 4-5 Servo Piston Assembly for the Ford 5R55W transmission. Servo bore wear is the number one failure point on the 5R55W. Machined from high-strength materials with precision seal grooves to ensure proper hydraulic apply force and zero bypass leakage.\u003c\/p\u003e\u003cp\u003eWorn pistons and servos are a primary cause of soft shifts, delayed engagement, and slipping in these transmissions. This replacement component restores factory apply pressure for firm, consistent shifts. Includes new seals where applicable.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 2002-2010 Ford Explorer, 2002-2005 Mercury Mountaineer\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Sonnax\u003c\/p\u003e","brand":"Sonnax","offers":[{"title":"Default Title","offer_id":50803697615095,"sku":null,"price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-piston-and-servo_365bf8e7-6f51-4941-9f10-b890b7114db5.jpg?v=1780070225","url":"https:\/\/coretransmissionparts.com\/products\/sonnax-4-5-servo-piston-assembly-ford-5r55w-transmission","provider":"CoreTransmissionParts.com","version":"1.0","type":"link"}