{"product_id":"21255889-gear-set-genuine-volvo-penta","title":"21255889 Gear Set | Genuine Volvo Penta Part","description":"\u003ch2\u003e\n 🔧 Product Description\n\u003c\/h2\u003e\n\u003cp\u003e\n Genuine matched gear set used in Volvo Penta DPR-A and DPR-B sterndrives.\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 D6-370A-C\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta D4-300A-C\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta D4-300A-D\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta D4-300A-E\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta D6-370A-D\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta D6-370A-E\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta D6-400A-E\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta DPR-A\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta DPR-B\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, DPR\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   HP Range:\n  \u003c\/strong\u003e\n  300-400 HP\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  Genuine Volvo Penta matched drive gears\n \u003c\/li\u003e\n \u003cli\u003e\n  DPR-A and DPR-B application\n \u003c\/li\u003e\n \u003cli\u003e\n  Precision-machined and matched tooth profiles\n \u003c\/li\u003e\n \u003cli\u003e\n  Designed for high-output marine propulsion\n \u003c\/li\u003e\n \u003cli\u003e\n  Requires correct shimming and bearing preload\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔌 Function\n\u003c\/h2\u003e\n\u003cp\u003e\n The gear set transfers torque through the sterndrive at the designed reduction ratio.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚠️ Common Signs of Failure\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Abnormal drive noise\n \u003c\/li\u003e\n \u003cli\u003e\n  Metallic debris in gear oil\n \u003c\/li\u003e\n \u003cli\u003e\n  Chipped or pitted teeth\n \u003c\/li\u003e\n \u003cli\u003e\n  Excessive gear backlash\n \u003c\/li\u003e\n \u003cli\u003e\n  Drive vibration\n \u003c\/li\u003e\n \u003cli\u003e\n  Loss of forward or reverse propulsion\n \u003c\/li\u003e\n \u003cli\u003e\n  Overheating caused by incorrect bearing preload\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  Gear sets are supplied as a matched set and must be fitted complete — never run a new gear against a used mate, and keep the set together as it was delivered\n \u003c\/li\u003e\n \u003cli\u003e\n  Setting up requires the shimming, backlash and tooth contact pattern checks in the workshop manual for your engine and drive, together with the proper measuring and pressing tools; this is not a fit-and-hope job\n \u003c\/li\u003e\n \u003cli\u003e\n  Establish why the old set failed before assembly — debris, a collapsed bearing or oil starvation will destroy the new gears just as quickly\n \u003c\/li\u003e\n \u003cli\u003e\n  Renew the bearings, seals and locking hardware at the same time, and flush the housing thoroughly so no metal debris is left in it\n \u003c\/li\u003e\n \u003cli\u003e\n  Fill with the oil specified for your drive, then check the oil early in service for signs of abnormal bedding-in debris\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  21255889 → Supersedes 3862374\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  3862374 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":53383886111012,"sku":"704129L","price":3545.06,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_6ff77a3b-229e-4c28-bbe5-dda3c4bb11cb.jpg?v=1777181631","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/21255889-gear-set-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}