{"product_id":"420-422-821-a-genuine-vw-audi-inner-tie-rod","title":"420-422-821-A Genuine VW\/Audi Inner Tie Rod","description":"\u003cp\u003e\u003cstrong\u003eGenuine VW\/Audi inner tie rod, part number 420-422-821-A.\u003c\/strong\u003e This steering linkage component connects the steering rack to the separate outer tie rod on the specified Audi R8 applications. The inner joint allows the linkage to articulate as rack movement is transmitted toward the front wheel.\u003c\/p\u003e\u003ch3\u003eTechnical details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOriginal part number: \u003cstrong\u003e420-422-821-A\u003c\/strong\u003e \/ 420422821A.\u003c\/li\u003e\n\u003cli\u003eInner steering tie rod \/ axial joint for the specified Type 42 R8 steering gear.\u003c\/li\u003e\n\u003cli\u003eIncludes the inner joint housing, rod and threaded outer connection shown in the source photo.\u003c\/li\u003e\n\u003cli\u003eConfirmed dealer-catalog assignments include left and right inner steering positions as specified in the fitment table.\u003c\/li\u003e\n\u003cli\u003eThe outer tie rod end, protective bellows, clamps and complete steering rack are separate components.\u003c\/li\u003e\n\u003cli\u003eSupplied as one inner tie rod.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon reasons to replace\u003c\/h3\u003e\u003cp\u003eExcessive play at the inner joint, binding articulation, damaged connection threads or a bent rod can require replacement. Steering looseness, a knock when steering direction changes or unstable alignment can prompt a linkage inspection. A torn bellows can also expose the joint and rack area to contamination.\u003c\/p\u003e\u003cp\u003eThese symptoms can have other causes, including the outer tie rod, steering rack, wheel bearings or suspension joints. Check the inner joint directly and inspect the rest of the linkage before replacing parts. Replacing this rod alone will not correct a worn rack or damaged outer joint.\u003c\/p\u003e\u003ch3\u003eInstallation and service notes\u003c\/h3\u003e\u003cp\u003eConfirm the vehicle's steering gear part number, VIN assignment and mounting position before ordering. Use the factory procedure and appropriate tools to support the rack and remove the inner joint without transmitting unnecessary force through the steering gear. Inspect the bellows and clamps and replace damaged protective parts.\u003c\/p\u003e\u003cp\u003eFollow the vehicle-specific requirements for tightening, locking provisions and replacement hardware. The threaded connection forms part of the steering toe adjustment; record the original setting only as an initial assembly reference. Arrange a proper wheel alignment after replacement, then check steering movement, bellows positioning and all attachment points.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVehicle\u003c\/th\u003e\n\u003cth\u003eModel year\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eRequired configuration\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi R8 Coupe\u003c\/td\u003e\n\u003ctd\u003e2008\u003c\/td\u003e\n\u003ctd\u003e4.2L V8 gasoline\u003c\/td\u003e\n\u003ctd\u003eType 42 quattro; left inner steering position; confirm steering gear assignment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi R8 Coupe\u003c\/td\u003e\n\u003ctd\u003e2010\u003c\/td\u003e\n\u003ctd\u003e4.2L V8 gasoline\u003c\/td\u003e\n\u003ctd\u003eType 42 quattro; left inner steering position; confirm steering gear assignment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi R8 Coupe\u003c\/td\u003e\n\u003ctd\u003e2010\u003c\/td\u003e\n\u003ctd\u003e5.2L V10 gasoline\u003c\/td\u003e\n\u003ctd\u003eType 42 quattro; left inner steering position; confirm steering gear assignment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi R8 Coupe\u003c\/td\u003e\n\u003ctd\u003e2012\u003c\/td\u003e\n\u003ctd\u003e5.2L V10 gasoline\u003c\/td\u003e\n\u003ctd\u003eType 42 quattro; left inner steering position; confirm steering gear assignment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi R8 Spyder\u003c\/td\u003e\n\u003ctd\u003e2014\u003c\/td\u003e\n\u003ctd\u003e4.2L V8 gasoline\u003c\/td\u003e\n\u003ctd\u003eType 42 quattro; left inner steering position; confirm steering gear assignment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi R8 V10 Plus Coupe\u003c\/td\u003e\n\u003ctd\u003e2014\u003c\/td\u003e\n\u003ctd\u003e5.2L V10 gasoline\u003c\/td\u003e\n\u003ctd\u003eType 42 quattro; left inner steering position; confirm steering gear assignment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi R8 GT Coupe\u003c\/td\u003e\n\u003ctd\u003e2012\u003c\/td\u003e\n\u003ctd\u003e5.2L V10 gasoline\u003c\/td\u003e\n\u003ctd\u003eType 42 quattro; right inner steering position; confirm steering gear assignment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi R8 Spyder\u003c\/td\u003e\n\u003ctd\u003e2012\u003c\/td\u003e\n\u003ctd\u003e4.2L V8 gasoline\u003c\/td\u003e\n\u003ctd\u003eType 42 quattro; right inner steering position; confirm steering gear assignment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi R8 Spyder\u003c\/td\u003e\n\u003ctd\u003e2015\u003c\/td\u003e\n\u003ctd\u003e4.2L V8 gasoline\u003c\/td\u003e\n\u003ctd\u003eType 42 quattro; left inner steering position; confirm steering gear assignment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cem\u003eConfirm compatibility by VIN and installed steering gear. The table identifies verified applications; do not infer compatibility with a different steering position or later-generation R8.\u003c\/em\u003e\u003c\/p\u003e","brand":"Genuine VW\/Audi","offers":[{"title":"Default Title","offer_id":48001355743409,"sku":"420-422-821-A","price":172.82,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/420-422-821-a-genuine-vw-audi-inner-tie-rod-01.jpg?v=1790986860","url":"https:\/\/hstuning.com\/products\/420-422-821-a-genuine-vw-audi-inner-tie-rod","provider":"HS Tuning ","version":"1.0","type":"link"}