{"product_id":"21884026-gear-set-genuine-volvo-penta","title":"21884026 Gear Set | Genuine Volvo Penta Part","description":"\u003ch2\u003e\n 🔧 Product Description\n\u003c\/h2\u003e\n\u003cp\u003e\n This genuine Volvo Penta matched gear pair is used in AQ290 DuoProp and DP-D1 sterndrives with a 1.78:1 reduction ratio. The lapped gears must remain together as a set.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚙️ Key Features\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Matched upper-gear pair\n \u003c\/li\u003e\n \u003cli\u003e\n  Reduction ratio: 1.78:1\n \u003c\/li\u003e\n \u003cli\u003e\n  AQ290 DP and DP-D1 application\n \u003c\/li\u003e\n \u003cli\u003e\n  Factory tooth-contact pattern\n \u003c\/li\u003e\n \u003cli\u003e\n  Drive serial and ratio verification required\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔌 Function\n\u003c\/h2\u003e\n\u003cp\u003e\n Transfers engine torque through the sterndrive at the specified 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  Gear whine\n \u003c\/li\u003e\n \u003cli\u003e\n  Pitting or chipped teeth\n \u003c\/li\u003e\n \u003cli\u003e\n  Metal in gear oil\n \u003c\/li\u003e\n \u003cli\u003e\n  Incorrect backlash or contact pattern\n \u003c\/li\u003e\n \u003cli\u003e\n  Loss of drive\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  21884026 → Supersedes 3861458 → Supersedes 854464 → Supersedes 853532\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  3861458 earlier number superseded by this part\n \u003c\/li\u003e\n \u003cli\u003e\n  854464 earlier number superseded by this part\n \u003c\/li\u003e\n \u003cli\u003e\n  853532 earlier number superseded by this part\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n Other-Brand OEM Numbers\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  VOE21884026\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  Earlier\/related ratio reference: 853532\n \u003c\/li\u003e\n \u003cli\u003e\n  Related gear-set reference: 3860904 - verify drive revision\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":53379635806500,"sku":"1622207","price":4040.05,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_a09e1072-6db8-42a3-bc91-cb8419cf69bd.jpg?v=1788057885","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/21884026-gear-set-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}