{"product_id":"merc-923","title":"Mercury MerCruiser Trim Cylinder O-Ring Kit 87400A2","description":"\u003cp\u003eThe \u003cstrong\u003eMercury MerCruiser Quicksilver 87400A2 Trim Cylinder O-Ring Kit\u003c\/strong\u003e is an 11-piece seal kit used to service select MerCruiser sterndrive trim cylinders. It replaces the O-rings inside one trim cylinder, helping restore proper hydraulic sealing and reduce trim-cylinder leakage. This kit is commonly used on supported \u003cstrong\u003eR, MR, Alpha One, Alpha One Gen II, and Bravo\u003c\/strong\u003e trim cylinder applications.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury \/ Quicksilver trim cylinder O-ring kit\u003c\/li\u003e\n\u003cli\u003ePart number: \u003cstrong\u003e87400A2\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFull Mercury reference: \u003cstrong\u003e25-87400A2\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e11-piece\u003c\/strong\u003e O-ring replacement kit\u003c\/li\u003e\n\u003cli\u003eServices \u003cstrong\u003eone trim cylinder\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDesigned for select MerCruiser sterndrive power trim cylinders\u003c\/li\u003e\n\u003cli\u003eHelps repair hydraulic fluid leakage at trim cylinder seals\u003c\/li\u003e\n\u003cli\u003eUsed with supported \u003cstrong\u003eR, MR, Alpha One, Alpha One Gen II, and Bravo\u003c\/strong\u003e drive trim systems\u003c\/li\u003e\n\u003cli\u003eUPC reference: \u003cstrong\u003e745061202122\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eDrive Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis O-ring kit is intended for select MerCruiser \u003cstrong\u003eR, MR, Alpha One, Alpha One Gen II, and Bravo\u003c\/strong\u003e sterndrive trim cylinders. It is trim-cylinder specific, so compatibility depends on the exact drive model, trim cylinder style, and serial number range.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eTrim cylinder seal fitment varies by drive generation, trim cylinder design, and serial number. Always confirm compatibility using the MerCruiser drive serial number and trim cylinder parts diagram before ordering, especially when comparing early Alpha, Alpha Gen II, Bravo, and replacement trim cylinder assemblies.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace this O-ring kit when a trim cylinder is leaking hydraulic fluid, drifting down, losing trim pressure, or showing worn, hardened, cut, or flattened seals during service. Trim cylinders should also be resealed if they are already apart and the existing O-rings are aged or damaged.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eService one trim cylinder at a time and keep the internal parts in order during disassembly. Clean the cylinder bore, rod, cap, and seal grooves before installing the new O-rings. Inspect the trim rod for pitting or scoring, since damaged rod surfaces can quickly ruin new seals. Refill and bleed the power trim system according to the MerCruiser service procedure after reassembly.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e87400A2\u003c\/li\u003e\n\u003cli\u003e25-87400A2\u003c\/li\u003e\n\u003cli\u003eMercury 87400A2\u003c\/li\u003e\n\u003cli\u003eMercury Marine 25-87400A2\u003c\/li\u003e\n\u003cli\u003eQuicksilver 87400A2\u003c\/li\u003e\n\u003cli\u003eTrim Cylinder O-Ring Kit\u003c\/li\u003e\n\u003cli\u003eTrim Cylinder Seal Kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis kit services \u003cstrong\u003eone trim cylinder\u003c\/strong\u003e, so two kits may be needed if both port and starboard trim cylinders are being rebuilt. The key match is the trim cylinder style and drive serial number, because similar-looking MerCruiser trim rams can use different seal arrangements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563899486244,"sku":"87400A2","price":59.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/68b7ad57-c5dd-49fc-b5c2-c221d5ea8540.png?v=1778023832","url":"https:\/\/marisolmarine.com\/products\/merc-923","provider":"Marisol Marine Company","version":"1.0","type":"link"}