{"product_id":"mercury-distributor-cap-rotor-kit-811635q2","title":"Mercury Distributor Cap \u0026 Rotor Kit – 811635Q2","description":"\u003cp data-start=\"87\" data-end=\"490\"\u003eMercury MerCruiser Quicksilver 811635Q2 is a genuine OEM distributor cap and rotor kit for marinized General Motors 4-cylinder MerCruiser engines using Delco EST ignition systems. Mercury’s current product information states that this kit includes both the distributor cap and rotor and is intended for select 4-cylinder GM-based applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"492\" data-end=\"506\"\u003eKey Features\u003c\/p\u003e\n\u003cul data-start=\"507\" data-end=\"1025\"\u003e\n\u003cli data-start=\"507\" data-end=\"557\"\u003eGenuine Mercury MerCruiser Quicksilver OEM kit\u003c\/li\u003e\n\u003cli data-start=\"558\" data-end=\"596\"\u003eDistributor cap and rotor included\u003c\/li\u003e\n\u003cli data-start=\"597\" data-end=\"663\"\u003eFor GM-based 4-cylinder marine engines with Delco EST ignition\u003c\/li\u003e\n\u003cli data-start=\"664\" data-end=\"808\"\u003eDistributor cap is described by Mercury\/Quicksilver sources as using a PBT\/PET plastic blend for strength, stiffness, and warpage resistance\u003c\/li\u003e\n\u003cli data-start=\"809\" data-end=\"888\"\u003eSolid brass inserts are used for corrosion resistance and long service life\u003c\/li\u003e\n\u003cli data-start=\"889\" data-end=\"1025\"\u003eRotor is described as high strength-to-weight for durability and resistance to thermal cracking. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1027\" data-end=\"1436\"\u003eEngine Compatibility\u003cbr data-start=\"1047\" data-end=\"1050\"\u003eFits marinized General Motors 4-cylinder MerCruiser engines with Delco EST (Electronic Spark Timing) ignition systems. Public cross-reference listings also commonly describe this kit on 3.0L Delco EST inline 4-cylinder marine applications, but fitment should still be confirmed by engine model, serial number, and distributor setup before ordering. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1438\" data-end=\"1756\"\u003eSerial Number Fitment Notice\u003cbr data-start=\"1466\" data-end=\"1469\"\u003eFitment should be confirmed by MerCruiser engine serial number and ignition system configuration, not by engine family alone. Mercury’s own parts resources direct owners to use the owner’s manual and parts catalog for exact replacement confirmation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1758\" data-end=\"2233\"\u003eWhen This Part Needs Replacement\u003cbr data-start=\"1790\" data-end=\"1793\"\u003eReplace when the distributor cap shows carbon tracking, terminal corrosion, cracking, or moisture intrusion, or when the rotor shows burning, wear, looseness, or inconsistent spark transfer. Cap-and-rotor wear can lead to hard starting, rough running, and ignition misfire. This maintenance need is an inference from the part’s role as an ignition tune-up component and the OEM replacement positioning. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2235\" data-end=\"2610\"\u003eInstallation Notes\u003cbr data-start=\"2253\" data-end=\"2256\"\u003eInstall only on the correct Delco EST 4-cylinder distributor application. Confirm the replacement matches the removed cap and rotor before installation. Mercury also lists 811635T3 as the matching cap-only service part for the same ignition family, which is a useful cross-check when verifying the distributor setup. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2612\" data-end=\"2649\"\u003eAlternate \/ Superseded Part Numbers\u003c\/p\u003e\n\u003cul data-start=\"2650\" data-end=\"2985\"\u003e\n\u003cli data-start=\"2650\" data-end=\"2662\"\u003e811635Q2\u003c\/li\u003e\n\u003cli data-start=\"2663\" data-end=\"2794\"\u003ePublic replacement listings also associate this application with earlier\/interchange references including 811635Q1 and 811635T2\u003c\/li\u003e\n\u003cli data-start=\"2795\" data-end=\"2985\"\u003eCommon aftermarket cross references listed publicly include Volvo Penta 3854260 \/ 3854261 and OMC 986643 \/ 986651 for equivalent application families. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2987\" data-end=\"3283\"\u003eParts Desk Insight\u003cbr data-start=\"3005\" data-end=\"3008\"\u003eThe key match point on 811635Q2 is the ignition family first: GM 4-cylinder with Delco EST. That is the quickest way to separate it from MerCruiser V6\/V8 Thunderbolt or HEI cap-and-rotor kits that can look similar but do not interchange. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3285\" data-end=\"3340\"\u003eShips same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563880120356,"sku":"811635Q2","price":47.1,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/c43bce8b-e031-4edc-85f5-9f413d5ad7cc.png?v=1775528973","url":"https:\/\/marisolmarine.com\/products\/mercury-distributor-cap-rotor-kit-811635q2","provider":"Marisol Marine Company","version":"1.0","type":"link"}