{"product_id":"merc-150","title":"Mercury - Double-Wound Split Lock Washer - 13-33734","description":"\u003cp\u003eThe Mercury Quicksilver Double-Wound Split Lock Washer 13-33734 is an OEM heavy-duty lock washer used in select MerCruiser high-vibration mounting and flywheel applications. Its double-wound spring profile helps maintain clamping tension on critical hardware where engine vibration, torque load, and alignment stability matter.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury\/Quicksilver double-wound split lock washer\u003c\/li\u003e\n\u003cli\u003ePart number: 13-33734\u003c\/li\u003e\n\u003cli\u003eAlso referenced as 33734\u003c\/li\u003e\n\u003cli\u003e1\/2\" inside diameter\u003c\/li\u003e\n\u003cli\u003eHeavy-duty spring-style locking washer\u003c\/li\u003e\n\u003cli\u003eGTIN \/ UPC: 0745061079199\u003c\/li\u003e\n\u003cli\u003eUsed in select rear engine mount, transom plate, flywheel, and coupler hardware locations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eUsed on select MerCruiser sterndrive and inboard\/outboard applications where this washer is shown in the rear engine mount, flywheel, or coupler parts diagram.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eVerify fitment by engine serial number, mount\/flywheel diagram, and original hardware stack-up before ordering. Mounting hardware can vary by engine package, transom assembly, flywheel housing, coupler style, and production range.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace this washer if it is flattened, cracked, badly corroded, distorted, missing, or removed during critical engine mount or flywheel service. Lock washers that have lost spring tension should not be reused in high-vibration locations.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eInstall in the correct order shown in the Mercury parts diagram. Inspect the related studs, nuts, mount pads, fiber washers, coupler hardware, and alignment components before reassembly. Follow Mercury service procedures for torque specifications and engine alignment.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplaces Mercury 33734A1 and 33021. Primary references: 13-33734 and 33734.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis washer is small, but it is part of the hardware stack that helps keep alignment-critical fasteners tight. Replacing worn lock washers during mount or flywheel service is cheap insurance against vibration-related loosening.\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":43563853119524,"sku":"33734","price":4.04,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/c654f09a-e210-4401-8ded-a348fc338ef4.png?v=1779402973","url":"https:\/\/marisolmarine.com\/products\/merc-150","provider":"Marisol Marine Company","version":"1.0","type":"link"}