{"product_id":"sierra-18-2748-exhaust-boot","title":"Sierra Exhaust Boot - SIE-18-2748","description":"\u003cp\u003eSierra 18-2748 MerCruiser 4\" Upper Exhaust Boot\u003c\/p\u003e\u003cp\u003eSierra high-quality engine parts are designed to meet OEM specifications. For use on MerCruiser Stern Drive engines.\u003c\/p\u003e\u003cp\u003eFeatures:\u003c\/p\u003e\u003cp\u003eUpper Tube: 4\"\u003c\/p\u003e\u003cp\u003eFits MCM 120, 140 \u0026amp; GM V-6 \u0026amp; V-8 engines\u003c\/p\u003e\u003cp\u003eUse with: 18-1975-1 Riser with Exhaust Tube\u003c\/p\u003e\u003cp\u003eInterchangeable with:\u003c\/p\u003e\u003cp\u003eGLM\u003c\/p\u003e\u003cp\u003e89120\u003c\/p\u003e\u003cp\u003eMallory\u003c\/p\u003e\u003cp\u003e9-72805\u003c\/p\u003e\u003cp\u003eMerCruiser Stern Drive\u003c\/p\u003e\u003cp\u003e32-44348T\u003c\/p\u003e\u003cp\u003e32-44348001\u003c\/p\u003e\u003cp\u003e32-44348\u003c\/p\u003e\u003cp\u003eFrequently Asked Questions\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWhat is the Sierra 18-2748 MerCruiser 4\" Upper Exhaust Boot used for? The Sierra 18-2748 MerCruiser 4\" Upper Exhaust Boot is a replacement exhaust boot for MerCruiser Stern Drive engines. It has a 4-inch upper tube and is designed for MCM 120, 140, and GM V-6 and V-8 engines.\u003c\/li\u003e\n\u003cli\u003eWhich MerCruiser engines fit the Sierra 18-2748 Upper Exhaust Boot? The Sierra 18-2748 fits MCM 120 and 140 engines, as well as GM V-6 and V-8 engines used with MerCruiser Stern Drive applications. Verify your engine application before purchasing to confirm compatibility.\u003c\/li\u003e\n\u003cli\u003eWhat is the upper tube size of the Sierra 18-2748 exhaust boot? The Sierra 18-2748 has a 4-inch upper tube. This specification identifies the upper tube size for the MerCruiser Stern Drive exhaust boot.\u003c\/li\u003e\n\u003cli\u003eWhat riser should be used with the Sierra 18-2748 Upper Exhaust Boot? The Sierra 18-2748 Upper Exhaust Boot is specified for use with the Sierra 18-1975-1 Riser with Exhaust Tube. Confirm that this is the appropriate riser for your particular MerCruiser application before installation.\u003c\/li\u003e\n\u003cli\u003eWhat part numbers are interchangeable with the Sierra 18-2748? The Sierra 18-2748 is interchangeable with GLM 89120, Mallory 9-72805, and MerCruiser Stern Drive part numbers 32-44348T, 32-44348001, and 32-44348. Verify your existing part number or engine application before selecting this exhaust boot.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":50582443131138,"sku":"SIE-18-2748","price":49.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/3024\/2562\/files\/Untitled-1__70358.1753840675.jpg?v=1791081456","url":"https:\/\/allmarineworld.com\/products\/sierra-18-2748-exhaust-boot","provider":"All Marine World","version":"1.0","type":"link"}