{"product_id":"21630721-hub-kit-genuine-volvo-penta","title":"21630721 Hub Kit | Genuine Volvo Penta Part","description":"\u003ch2\u003e\n 🔧 Product Description\n\u003c\/h2\u003e\n\u003cp\u003e\n Genuine Volvo Penta hub kit for the 2-blade folding propeller for 5-40 hp. Hub kit, metric standard shaft (1:10 taper), 25 mm shaft (key 6 mm). For a complete propeller, order one blade kit and one hub kit.\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 D2-55F\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta D2-50F\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta D1-30F\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta D1-13F\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta D1-20F\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  D\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   HP Range:\n  \u003c\/strong\u003e\n  13-55 HP\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Year Range:\n  \u003c\/strong\u003e\n  Approximately 1970s onward; shaft dimensions and propeller sizing control final fitment\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  Hub kit for shafts, 25 mm shaft with a 1:10 metric taper and a 6 mm key\n \u003c\/li\u003e\n \u003cli\u003e\n  Includes zinc anodes, locking fluid and the hub hardware\n \u003c\/li\u003e\n \u003cli\u003e\n  Shaft nut and key are not included\n \u003c\/li\u003e\n \u003cli\u003e\n  For the two-blade folding propeller range, 5 to 40 hp\n \u003c\/li\u003e\n \u003cli\u003e\n  2.794 kg\n \u003c\/li\u003e\n \u003cli\u003e\n  25mm (Volvo assembly listing)\n \u003c\/li\u003e\n \u003cli\u003e\n  Hub kit, metric standard shaft (1:10 taper), 25 mm shaft (key 6 mm).\n \u003c\/li\u003e\n \u003cli\u003e\n  Hub kit includes anodes, locking fluid and installation hardware.\n \u003c\/li\u003e\n \u003cli\u003e\n  For the 2-blade folding propeller.\n \u003c\/li\u003e\n \u003cli\u003e\n  Fits: Shaft installations\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 📋 Kit Contents\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Metric 25mm Shaft folding-propeller hub assembly - part number 21630721 - quantity 1\n \u003c\/li\u003e\n \u003cli\u003e\n  Blade \/ shaft pin - part number 21626924 - quantity 2\n \u003c\/li\u003e\n \u003cli\u003e\n  Screw - part number 948000 - quantity 2\n \u003c\/li\u003e\n \u003cli\u003e\n  Hex socket screw - part number 963675 - quantity 2\n \u003c\/li\u003e\n \u003cli\u003e\n  Blade locking screw - part number 3595221 - quantity 2\n \u003c\/li\u003e\n \u003cli\u003e\n  Two-piece sacrificial anode set - current Volvo service reference 23974207 - quantity 1 set; supersedes 3888491\n \u003c\/li\u003e\n \u003cli\u003e\n  Thread-locking fluid 10ml - part number 23284156 - quantity 1\n \u003c\/li\u003e\n \u003cli\u003e\n  Installation instructions - quantity 1; no separate part number\n \u003c\/li\u003e\n \u003cli\u003e\n  873473 M16 nut, 873475 M16 tab washer and 873474 Ø25mm key are separate and are not included\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔌 Function\n\u003c\/h2\u003e\n\u003cp\u003e\n Carries the folding blades on their pivot shafts, clamps onto the drive or propeller shaft and passes engine torque into the blades, while the sacrificial anodes on the hub take the galvanic attack that would otherwise fall on the propeller.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚠️ Common Signs of Failure\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Hub does not seat fully on the shaft taper\n \u003c\/li\u003e\n \u003cli\u003e\n  Keyway, shaft key or propeller nut damaged\n \u003c\/li\u003e\n \u003cli\u003e\n  Excessive blade movement at the pivot pins\n \u003c\/li\u003e\n \u003cli\u003e\n  Hub corrosion or depleted sacrificial anode\n \u003c\/li\u003e\n \u003cli\u003e\n  Propeller vibration or movement caused by incorrect machining or shaft dimensions\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  Measure the shaft, taper and keyway before ordering - a hub of the same outward size with a different taper will not seat\n \u003c\/li\u003e\n \u003cli\u003e\n  The shaft nut and key are separate orders - 873473 is the M16 nut, 873486 the M20, 873474 the 25 mm key and 873487 the 30 mm key\n \u003c\/li\u003e\n \u003cli\u003e\n  The kit is supplied with zinc anodes; Volvo Penta now recommends aluminium anodes for salt and brackish water and is phasing most zinc out\n \u003c\/li\u003e\n \u003cli\u003e\n  For a complete propeller, order one blade kit and one hub kit.\n \u003c\/li\u003e\n \u003cli\u003e\n  Propeller size has to be calculated to match engine and gear ratio - contact your Volvo Penta dealer.\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  21630721 → Supersedes 3888453\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  3888453 earlier number superseded by this part\n \u003c\/li\u003e\n \u003cli\u003e\n  21626924 blade \/ shaft pin\n \u003c\/li\u003e\n \u003cli\u003e\n  23974207 current salt\/brackish-water two-piece anode set\n \u003c\/li\u003e\n \u003cli\u003e\n  3888491 earlier two-piece anode-set reference\n \u003c\/li\u003e\n \u003cli\u003e\n  873473 M16 nut\n \u003c\/li\u003e\n \u003cli\u003e\n  873475 M16 tab washer\n \u003c\/li\u003e\n \u003cli\u003e\n  873474 Ø25mm key\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n Aftermarket \/ Verified Equivalents\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Aftermarket replacement anode sets are available for Volvo 23974207 \/ 3888491\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":53379626074404,"sku":"W621850","price":1085.83,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/pdp21630722_62c889c5-0115-4f4e-9548-3705304d3f81.jpg?v=1788170765","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/21630721-hub-kit-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}