{"product_id":"marine-distributor-gasket-for-gm-v6-v8-omc-4-3l-8-2l-replaces-omc-312780-mercury-27-34486-3-sierra-18-0874-2-pack","title":"Sierra Distributor Gasket 18-0874-9, Replaces 16.50-00162, GM V-6 \u0026 V-8, Pack of 2","description":"\u003cp\u003eThe Sierra 18-0874-9 is a marine distributor gasket engineered to seal the distributor housing on GM V-6 and V-8 marine engines. It is sold in a pack of two, providing a spare for a future service or covering a job that calls for replacing gaskets on both sides of a dual application. As a distributor gasket, its primary job is to maintain a proper seal between the distributor base and the engine block, preventing oil seepage and helping keep ignition timing components free of contamination during operation. Installing a fresh gasket whenever the distributor is removed for service, timing adjustment, or replacement is standard practice, since a used gasket can lose its sealing properties once disturbed. The 18-0874-9 is a direct fit for GM V-6 and V-8 marine engine applications and cross-references to the OEM number 16.50-00162. Keeping a correct-fit gasket on hand simplifies routine ignition system maintenance and helps avoid oil leaks around the distributor base after reinstallation. This is a lightweight, low-cost component that is easy to keep in a parts inventory for scheduled maintenance or unexpected repairs.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sierra\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 18-0874-9\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Distributor Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e GM V-6 \u0026amp; V-8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e Pack of 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.01 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282161798\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Cross Reference:\u003c\/strong\u003e 16.50-05756, 16.50-00162\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eGM V-6 \u0026amp; V-8 marine engines\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e16.50-05756\u003c\/li\u003e\n\u003cli\u003e16.50-00162\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat engines does the Sierra 18-0874-9 distributor gasket fit?\u003c\/strong\u003e The 18-0874-9 is designed for GM V-6 and V-8 marine engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many gaskets come in one order of part 18-0874-9?\u003c\/strong\u003e This listing is a pack of 2 distributor gaskets, part number 18-0874-9.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat OEM part numbers does the 18-0874-9 gasket replace?\u003c\/strong\u003e It replaces OEM numbers 16.50-05756 and 16.50-00162.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the 18-0874-9 an OEM or aftermarket gasket?\u003c\/strong\u003e The 18-0874-9 is a Sierra-brand replacement gasket that cross-references to the OEM numbers 16.50-05756 and 16.50-00162, so it is an aftermarket equivalent rather than a factory-branded part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the Sierra 18-0874-9 gasket weigh?\u003c\/strong\u003e Each pack of the 18-0874-9 distributor gasket weighs 0.01 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat shape is the distributor gasket?\u003c\/strong\u003e The 18-0874-9 distributor gasket is round in shape, matching the distributor base it seals.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen should I replace the distributor gasket on my marine engine?\u003c\/strong\u003e Replace the 18-0874-9 gasket any time the distributor is removed from a GM V-6 or V-8 marine engine, since a disturbed gasket should not be reused.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo I need any other parts to install the 18-0874-9 gasket?\u003c\/strong\u003e The 18-0874-9 pack includes only the distributor gasket itself; no other components are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan the 18-0874-9 gasket be used on a single-engine repair?\u003c\/strong\u003e Yes, since it comes as a pack of 2, one gasket from the 18-0874-9 pack can be used for a single repair with a spare left over.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is included in the box with the 18-0874-9 part?\u003c\/strong\u003e The box contains 2 distributor gaskets, part number 18-0874-9, and no additional hardware.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988086436059,"sku":"SIE-18-0874-9","price":3.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/SIE-18-0874_lg__73723.1736969262.500.750.jpg?v=1785188101","url":"https:\/\/www.goodvibesmarina.com\/products\/marine-distributor-gasket-for-gm-v6-v8-omc-4-3l-8-2l-replaces-omc-312780-mercury-27-34486-3-sierra-18-0874-2-pack","provider":"Good Vibes Marina","version":"1.0","type":"link"}