{"product_id":"1629831-hexagon-screw-genuine-volvo-penta","title":"1629831 Hexagon Screw | Genuine Volvo Penta Part","description":"\u003ch2\u003e\n 🔧 Product Description\n\u003c\/h2\u003e\n\u003cp\u003e\n Hexagon screw supplied as a standard threaded fastener in the 9\/16\" UNF x 51 mm size, used as a service replacement item where that thread and length are specified. As a general-purpose fastener it is not tied to a single engine or drive model, and it is the current replacement for several earlier fastener and anchorage part numbers. Net weight is approximately 0.092 kg.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚙️ Key Features\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  OEM Volvo Penta part number 1629831\n \u003c\/li\u003e\n \u003cli\u003e\n  Hexagon head screw, 9\/16\" UNF thread, 51 mm length\n \u003c\/li\u003e\n \u003cli\u003e\n  Net weight 0.092 kg\n \u003c\/li\u003e\n \u003cli\u003e\n  Supersedes earlier part numbers 1626181, 1698730, 1697966 and 1698731\n \u003c\/li\u003e\n \u003cli\u003e\n  Standard threaded fastener supplied as an individual service item\n \u003c\/li\u003e\n \u003cli\u003e\n  Engine type: Application dependent\n \u003c\/li\u003e\n\n\u003cli\u003e\n Also supersedes Volvo part number 1697217\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔌 Function\n\u003c\/h2\u003e\n\u003cp\u003e\n Provides a threaded clamping fastener that secures two or more components together at a specified torque. Its 9\/16\" UNF thread and 51 mm length determine the joint and grip depth it is intended for.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚠️ Common Signs of Failure\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Rounded, burred or damaged hexagon head preventing correct socket engagement\n \u003c\/li\u003e\n \u003cli\u003e\n  Stripped, galled or cross-threaded threads that will not hold torque\n \u003c\/li\u003e\n \u003cli\u003e\n  Corrosion, pitting or seizure making removal difficult\n \u003c\/li\u003e\n \u003cli\u003e\n  Stretched or necked shank after over-torquing, causing loss of clamping force\n \u003c\/li\u003e\n \u003cli\u003e\n  Repeated loosening of the joint or components working loose in service\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  Check the length, thread and strength grade of the replacement against the screw you removed — engine fasteners are chosen for a specific clamp load, and a longer or softer screw is not a substitute\n \u003c\/li\u003e\n \u003cli\u003e\n  Clean the threads in the component and make sure the mating faces are clean and flat before assembly; dirt, paint or old sealant in a joint feels like tightness and leaves the joint loose\n \u003c\/li\u003e\n \u003cli\u003e\n  Tighten to the torque figure and the tightening sequence given in the workshop manual for your engine, working up progressively rather than pulling each screw down in one go\n \u003c\/li\u003e\n \u003cli\u003e\n  Use thread locking or sealing compound only where the manual calls for it, and renew the locking washer, tab washer or nut that works with the screw\n \u003c\/li\u003e\n \u003cli\u003e\n  Renew rather than reuse screws that are corroded, thread-damaged or visibly stretched, and any screw the manual tightens by torque-plus-angle\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  1629831 → Supersedes 1626181\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  1698730 earlier number superseded by this part\n \u003c\/li\u003e\n \u003cli\u003e\n  1697966 earlier number superseded by this part\n \u003c\/li\u003e\n \u003cli\u003e\n  1698731 earlier number superseded by this part\n \u003c\/li\u003e\n \u003cli\u003e\n  1626181 earlier number superseded by this part\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":53381119017252,"sku":"3544535","price":13.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_b89bca01-2f9b-41fa-a41a-253c2e43207a.jpg?v=1788056257","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/1629831-hexagon-screw-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}