{"product_id":"21458899-adjusting-screw-genuine-volvo-penta","title":"21458899 Adjusting Screw | Genuine Volvo Penta Part","description":"\u003ch2\u003e\n 🔧 Product Description\n\u003c\/h2\u003e\n\u003cp\u003e\n A later-production valve-clearance adjusting screw used in the rocker-arm assembly of Volvo Penta TAD560VE and TAD760-series engines.\n\u003c\/p\u003e\n\u003ch2\u003e\n 🚤 Compatibility\n\u003c\/h2\u003e\n\u003cp\u003e\n Typically suits:\n\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Volvo Penta TAD765VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD764VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD763VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD762VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD761VE\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Engine Family:\n  \u003c\/strong\u003e\n  TAD\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Serial Range:\n  \u003c\/strong\u003e\n  SN5311033258-\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n ⚙️ Key Features\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Precision valve-clearance adjustment\n \u003c\/li\u003e\n \u003cli\u003e\n  Hardened contact end\n \u003c\/li\u003e\n \u003cli\u003e\n  Fine-thread adjustment\n \u003c\/li\u003e\n \u003cli\u003e\n  Later serial-number specification\n \u003c\/li\u003e\n \u003cli\u003e\n  Used with inlet and exhaust rocker arms\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔌 Function\n\u003c\/h2\u003e\n\u003cp\u003e\n The screw establishes the specified running clearance between the rocker arm and valve-train component.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚠️ Common Signs of Failure\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Adjustment will not remain set\n \u003c\/li\u003e\n \u003cli\u003e\n  Pitted contact face\n \u003c\/li\u003e\n \u003cli\u003e\n  Incorrect valve clearance\n \u003c\/li\u003e\n \u003cli\u003e\n  Rounded adjustment head\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🛠️ Service Notes\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Note and record the existing setting before disturbing anything, so you have a reference to return to if needed\n \u003c\/li\u003e\n \u003cli\u003e\n  Release the lock nut fully before turning the screw, then reset the lock nut and re-check the setting — tightening the lock nut usually moves the adjustment\n \u003c\/li\u003e\n \u003cli\u003e\n  Set to the clearance or position given in the workshop manual for your engine using the correct feeler or gauge; do not judge the setting by feel\n \u003c\/li\u003e\n \u003cli\u003e\n  Inspect the tip and the threads and renew any screw with a worn, mushroomed or picked-up tip, because a worn tip makes the setting drift in service\n \u003c\/li\u003e\n \u003cli\u003e\n  Never use an adjusting screw to force a component into position, and carry out a hot re-check after running if the manual for your engine calls for one\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔄 Supersession \u0026amp; Cross Reference\n\u003c\/h2\u003e\n\u003ch3\u003e\n OEM Supersession Chain\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  21458899 - Used from engine serial 5311033258 onward\n \u003c\/li\u003e\n \u003cli\u003e\n  20861870 - Earlier adjusting screw used through serial 5311033257\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n OEM \/ Related Numbers\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  20861870 - Earlier adjusting screw\n \u003c\/li\u003e\n \u003cli\u003e\n  21458892 - Inlet rocker arm\n \u003c\/li\u003e\n \u003cli\u003e\n  21458904 - Exhaust rocker arm\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 📦 Condition\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Genuine Volvo Penta part\n \u003c\/li\u003e\n \u003cli\u003e\n  Brand new\n \u003c\/li\u003e\n \u003cli\u003e\n  Supplied in original or equivalent packaging\n \u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Volvo Penta","offers":[{"title":"Default Title","offer_id":53385426370852,"sku":"5695918","price":54.96,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_0adb6c07-2786-4238-9288-c01bbbb748e2.jpg?v=1788062269","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/21458899-adjusting-screw-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}