{"product_id":"n-903-056-01-genuine-vw-audi-13-x-2-o-ring","title":"N-903-056-01 Genuine VW\/Audi 13 x 2 O-Ring","description":"\u003ch2\u003eFactory 13 x 2 seal for the assigned hydraulic connection\u003c\/h2\u003e\u003cp\u003eN-903-056-01 is the Genuine VW\/Audi 13 x 2 O-ring used at the specific transmission-control and convertible-roof hydraulic assembly positions listed below. Its size must match the original sealing groove and mating component.\u003c\/p\u003e\u003cp\u003eO-rings seal through controlled compression in a correctly prepared groove. A seal with a similar appearance can have a different section or material specification, so match the complete factory number and application before installation.\u003c\/p\u003e\u003ch3\u003eTechnical details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComplete factory number: N-903-056-01.\u003c\/li\u003e\n\u003cli\u003eFactory specification: 13 x 2 mm.\u003c\/li\u003e\n\u003cli\u003eDesign: circular-section elastomer O-ring.\u003c\/li\u003e\n\u003cli\u003eQuantity supplied: one individual O-ring.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe catalog size identifies a 13 mm nominal inside diameter and 2 mm cross-section. Use this genuine application-specific seal rather than selecting an unspecified generic rubber ring by size alone.\u003c\/p\u003e\u003ch3\u003eCommon reasons to replace\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe original seal is cut, nicked or pinched.\u003c\/li\u003e\n\u003cli\u003eThe ring has hardened, flattened or lost its original shape.\u003c\/li\u003e\n\u003cli\u003eFluid leakage is traced to the assigned sealed connection.\u003c\/li\u003e\n\u003cli\u003eThe assembly has been opened and the repair procedure requires a new seal.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCheck the groove and mating surfaces for scratches, contamination and corrosion. Replacing an O-ring does not correct damaged sealing surfaces, a worn component or a fault elsewhere in the hydraulic system.\u003c\/p\u003e\u003ch3\u003eVehicle fitment\u003c\/h3\u003e\u003cp\u003eThis seal is used in different assemblies. The table identifies the confirmed vehicle and original sealing position; confirm both before ordering.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVehicle\u003c\/th\u003e\n\u003cth\u003eModel years\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003cth\u003eApplication restrictions\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi A8\u003c\/td\u003e\n\u003ctd\u003e2000, 2002\u003c\/td\u003e\n\u003ctd\u003e4.2L gasoline V8\u003c\/td\u003e\n\u003ctd\u003eD2 sedan; standard or long wheelbase; quattro; 5-speed automatic transmission control \/ valve-body assembly\u003c\/td\u003e\n\u003ctd\u003eOriginal 13 x 2 O-ring location assigned N90305601; match the installed transmission and sealing position.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi S8\u003c\/td\u003e\n\u003ctd\u003e2002\u003c\/td\u003e\n\u003ctd\u003e4.2L gasoline V8\u003c\/td\u003e\n\u003ctd\u003eD2 sedan; quattro; 5-speed automatic transmission control \/ valve-body assembly\u003c\/td\u003e\n\u003ctd\u003eOriginal 13 x 2 O-ring location assigned N90305601; match the installed transmission and sealing position.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi Cabriolet\u003c\/td\u003e\n\u003ctd\u003e1995\u003c\/td\u003e\n\u003ctd\u003e2.8L gasoline V6\u003c\/td\u003e\n\u003ctd\u003eType 8G convertible; Assigned convertible-roof hydraulic assembly sealing position\u003c\/td\u003e\n\u003ctd\u003eMatch original 13 x 2 O-ring location; not interchangeable with the neighboring 11 x 2, 12 x 2 or 19 x 2 seals.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation guidance\u003c\/h3\u003e\u003cp\u003eFollow the factory procedure for the exact transmission or roof hydraulic assembly. Release pressure and support components as prescribed, clean the groove and fit the seal without twisting or stretching it. Use only the specified assembly lubricant or system fluid.\u003c\/p\u003e\u003cp\u003eReassemble to the prescribed specification and complete the required filling, bleeding and functional checks. Inspect the repaired connection for leakage before returning the system to service.\u003c\/p\u003e\u003ch3\u003eOrdering information\u003c\/h3\u003e\u003cp\u003eSold individually as one genuine O-ring. Hydraulic components, valve body, fluid and other seals are separate. Confirm the original factory number, sealing position and required quantity.\u003c\/p\u003e","brand":"Genuine VW\/Audi","offers":[{"title":"Default Title","offer_id":48047662301361,"sku":"N-903-056-01","price":7.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/n-903-056-01-genuine-vw-audi-1.jpg?v=1792136809","url":"https:\/\/hstuning.com\/products\/n-903-056-01-genuine-vw-audi-13-x-2-o-ring","provider":"HS Tuning ","version":"1.0","type":"link"}