{"product_id":"78458a1-mercury-mercruiser-bellows-kit-genuine-quicksilver-oem-part","title":"78458A1 Mercury MerCruiser Bellows Kit | Genuine Quicksilver OEM Part","description":"\u003cp\u003e\n 🔧 Product Description\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Genuine Quicksilver Exhaust Tube Assembly - Part Number: 78458A1\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Genuine Quicksilver\/MerCruiser exhaust tube assembly for MerCruiser Bravo stern drive applications. Although commonly described as a bellows-style exhaust service part, this component is the exhaust tube assembly used in place of the full exhaust bellows on compatible Bravo I, Bravo II and Bravo III drive installations.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n ⚙️ Key Features\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Genuine Quicksilver\/MerCruiser OEM exhaust tube assembly\n\u003c\/p\u003e\n\u003cp\u003e\n • Used on compatible Bravo stern drive exhaust outlets\n\u003c\/p\u003e\n\u003cp\u003e\n • Direct replacement for 78458 and 78458A1 references\n\u003c\/p\u003e\n\u003cp\u003e\n • Helps direct exhaust discharge through the drive area\n\u003c\/p\u003e\n\u003cp\u003e\n • Easier service-style exhaust tube design compared with full bellows installation\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🔄 Supersession \u0026amp; Cross Reference\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n OEM Supersession Chain:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • 78458A1 → Supersedes 78458\n\u003c\/p\u003e\n\u003cp\u003e\n • 78458 earlier OEM reference\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n OEM \/ Related Numbers:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • 78458A1\n\u003c\/p\u003e\n\u003cp\u003e\n • 78458\n\u003c\/p\u003e\n\u003cp\u003e\n • 78458A 1\n\u003c\/p\u003e\n\u003cp\u003e\n • Exhaust tube assembly\n\u003c\/p\u003e\n\u003cp\u003e\n • Exhaust tube bellows replacement reference\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Aftermarket \/ Verified Equivalents:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Sierra: 18-2756\n\u003c\/p\u003e\n\u003cp\u003e\n • GLM: 89180\n\u003c\/p\u003e\n\u003cp\u003e\n • CEF: exhaust tube bellows equivalent\n\u003c\/p\u003e\n\u003cp\u003e\n • REC: REC78458A1\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🚤 Compatibility\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Commonly used on:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser Bravo stern drive exhaust tube applications\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser Bravo I, Bravo II and Bravo III exhaust outlet service\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser Alpha \/ Bravo-style exhaust service where 78458A1 is specified by parts diagram\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Typically suits:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine models:\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser Bravo One stern drives\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser Bravo Two stern drives\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser Bravo Three stern drives\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser Bravo transom assemblies using exhaust tube 78458A1\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser stern drive applications where the exhaust tube assembly is specified instead of full exhaust bellows\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • HP Range: Not applicable - stern drive exhaust tube component\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine Type: MerCruiser Bravo stern drive exhaust outlet system\n\u003c\/p\u003e\n\u003cp\u003e\n • Year Range: Application dependent by Bravo drive model, transom assembly and parts diagram\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🔌 Function\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n The exhaust tube helps direct exhaust gases and cooling water discharge through the stern drive exhaust outlet area. It provides a shorter open exhaust connection compared with a fully sealed exhaust bellows arrangement and is commonly used on Bravo drive service applications.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Common signs of failure:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Cracked, split or hardened exhaust tube\n\u003c\/p\u003e\n\u003cp\u003e\n • Exhaust noise increase around the transom area\n\u003c\/p\u003e\n\u003cp\u003e\n • Exhaust discharge not directed correctly\n\u003c\/p\u003e\n\u003cp\u003e\n • Tube slipping from the mounting lip\n\u003c\/p\u003e\n\u003cp\u003e\n • Damage found during transom or bellows service\n\u003c\/p\u003e\n\u003cp\u003e\n • Rubber deterioration from heat and age\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 📦 Condition\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Genuine Quicksilver part\n\u003c\/p\u003e\n\u003cp\u003e\n • Brand new\n\u003c\/p\u003e\n\u003cp\u003e\n • Supplied in original or equivalent packaging\n\u003c\/p\u003e\n","brand":"Quicksilver","offers":[{"title":"Default Title","offer_id":53388106301732,"sku":"745061179462","price":103.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_1a7c33d6-332e-4e39-8f24-e04ceae9fcbf.png?v=1777210739","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/78458a1-mercury-mercruiser-bellows-kit-genuine-quicksilver-oem-part","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}