{"product_id":"set-of-6-head-o-rings-for-mercury-mariner-200-300-hp-505-51-25-818573-18-7400-397293527698","title":"Set of 6 Head O-Rings for Mercury Mariner 200-300 HP (505-51, 25-818573, 18-7400)","description":"\u003cp\u003eIncludes: - Set of 6 Head O-Rings\u003c\/p\u003e \u003cp\u003eFits Models: - Mercury Mariner\u003c\/p\u003e \u003cp\u003eModel Years: - Check fitment before purchase\u003c\/p\u003e \u003cp\u003eSubmodels: - Common trims include 200 HP, 225 HP, 250 HP, 300 HP; applicable chassis codes may vary by engine configuration\u003c\/p\u003e \u003cp\u003eEngine Options: - Common engine sizes include 3.0L, 4.3L, 5.0L, 5.7L; engine codes may include 2.5L, 3.0L V6, 4.3L V6\u003c\/p\u003e \u003cp\u003eDescription: This set of 6 head O-rings is designed for Mercury Mariner outboard engines ranging from 200 to 300 horsepower. These O-rings are essential for maintaining a proper seal in the head assembly, ensuring optimal engine performance and preventing leaks.\u003c\/p\u003e \u003cp\u003eFeatures: - Premium-grade material for durability - Precision-engineered for a direct replacement fit - Designed for 200-300 HP Mercury Mariner engines - Direct fitment for DIY enthusiasts - Reliable sealing performance\u003c\/p\u003e \u003cp\u003ePart Numbers: 505-51, 25-818573, 18-7400\u003c\/p\u003e","brand":"Slipstream Supply","offers":[{"title":"Default Title","offer_id":43695540404283,"sku":"397293527698","price":100.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4293\/3819\/files\/s-l1600_0d10edb0-7d52-4864-9ef1-1f4250d01b04.webp?v=1782175432","url":"https:\/\/slipstreamsupply.co.nz\/products\/set-of-6-head-o-rings-for-mercury-mariner-200-300-hp-505-51-25-818573-18-7400-397293527698","provider":"Slipstream Supply","version":"1.0","type":"link"}