{"product_id":"sierra-18-1956-3-mercruiser-2-5l-3-0l-exhaust-manifold","title":"Sierra Exhaust Manifold w\/Hardware","description":"\u003cp\u003eSierra 18-1956-3 MerCruiser 2.5L\/3.0L Exhaust Manifold Replaces 860235A04\u003c\/p\u003e\u003cp\u003eThis sierra exhaust manifold features a one piece design and is for use with MerCruiser 2.5L\/3.0L engines.\u003c\/p\u003e\u003cp\u003eUsed With:\u003c\/p\u003e\u003cp\u003eRiser with Exhaust Tube 18-1975-1\u003c\/p\u003e\u003cp\u003eExhaust Manifold Mounting Gasket 18-1204-1\u003c\/p\u003e\u003cp\u003eInterchangeable With:\u003c\/p\u003e\u003cp\u003eBarr\u003c\/p\u003e\u003cp\u003eMC 1 99798\u003c\/p\u003e\u003cp\u003eGLM\u003c\/p\u003e\u003cp\u003e51210\u003c\/p\u003e\u003cp\u003eMarine Power\u003c\/p\u003e\u003cp\u003e600333\u003c\/p\u003e\u003cp\u003eMerCruiser Stern Drive\u003c\/p\u003e\u003cp\u003e860235A04\u003c\/p\u003e\u003cp\u003e99798A16\u003c\/p\u003e\u003cp\u003e99798A3\u003c\/p\u003e\u003cp\u003e99798A9\u003c\/p\u003e\u003cp\u003eOsco\u003c\/p\u003e\u003cp\u003e9798\u003c\/p\u003e\u003cp\u003eSupersedes 18-1956-1 \u0026amp; 18-1956-2\u003c\/p\u003e\u003cp\u003eFrequently Asked Questions\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWhat is the Sierra 18-1956-3 MerCruiser 2.5L\/3.0L Exhaust Manifold used for? The Sierra 18-1956-3 is a one-piece exhaust manifold designed for use with MerCruiser 2.5L and 3.0L engines. It is a replacement for specified MerCruiser exhaust manifold part numbers and is designed for the listed marine engine applications.\u003c\/li\u003e\n\u003cli\u003eWhat MerCruiser engines does the Sierra 18-1956-3 exhaust manifold fit? The Sierra 18-1956-3 is specified for MerCruiser 2.5L and 3.0L engines. The supplied product description does not provide specific model years or serial-number ranges, so verify your engine application before purchasing or installing this manifold.\u003c\/li\u003e\n\u003cli\u003eWhat components are used with the Sierra 18-1956-3 exhaust manifold? The Sierra 18-1956-3 is used with the Sierra 18-1975-1 riser with exhaust tube and the 18-1204-1 exhaust manifold mounting gasket. Verify the applicable components for your specific MerCruiser exhaust system before installation.\u003c\/li\u003e\n\u003cli\u003eWhat MerCruiser part does the Sierra 18-1956-3 exhaust manifold replace? The Sierra 18-1956-3 replaces MerCruiser 860235A04 and is also interchangeable with 99798A16, 99798A3, and 99798A9. It is additionally listed as interchangeable with Barr MC 1 99798, GLM 51210, Marine Power 600333, and Osco 9798.\u003c\/li\u003e\n\u003cli\u003eDoes the Sierra 18-1956-3 supersede other Sierra exhaust manifolds? Yes. The Sierra 18-1956-3 supersedes the Sierra 18-1956-1 and Sierra 18-1956-2 exhaust manifolds. Verify the application information and existing part number before selecting the replacement.\u003c\/li\u003e\n\u003cli\u003eWhat type of design does the Sierra 18-1956-3 MerCruiser exhaust manifold have? The Sierra 18-1956-3 features a one-piece exhaust manifold design. It is intended for the listed MerCruiser 2.5L and 3.0L engine applications and should be matched to the applicable exhaust system components.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":50582417539330,"sku":"SIE-18-1956-3","price":698.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/3024\/2562\/files\/18-1956-3__20950.1737824252_8547c241-c1f7-4362-a4f5-c4baef3661a8.jpg?v=1791081235","url":"https:\/\/allmarineworld.com\/products\/sierra-18-1956-3-mercruiser-2-5l-3-0l-exhaust-manifold","provider":"All Marine World","version":"1.0","type":"link"}