{"product_id":"dorman-rear-main-seal-cover-kit-for-engines-635-518-die-cast-aluminum-gasket-hardware","title":"Dorman Rear Main Seal Cover kit for engines — 635-518 die-cast aluminum, gasket \u0026 hardware","description":"\u003cstrong\u003eDorman 635-518 Engine Rear Main Seal Cover kit is a complete, die-cast aluminum replacement assembly that restores the factory seal area with a new gasket, hardware, and improved seal design.\u003c\/strong\u003e\n\n\u003cp\u003eWhen an engine’s rear main seal or its cover fails, oil leaks can lead to messy garages and costly repairs. The Dorman 635-518 kit provides the components needed to replace the rear main seal cover with a part engineered to match original equipment fit and function. It combines a robust die-cast aluminum cover with updated sealing components and installation hardware to simplify the job and reduce the chance of recurring leaks.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this rear main seal cover kit match my vehicle’s original parts?\u003c\/h3\u003e\n\u003cp\u003eThe kit is made to align with factory dimensions so bolt holes, sealing surfaces, and mounting points replicate the OEM cover. Dorman performs dimensional and performance checks to ensure the part installs properly and works with your engine’s original components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDie-cast aluminum cover sized to OEM specifications\u003c\/li\u003e\n  \u003cli\u003eIncluded gasket precisely matches sealing flange layout\u003c\/li\u003e\n  \u003cli\u003eInstallation hardware aligned to original mounting arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat components come in the Dorman 635-518 kit and why do they matter?\u003c\/h3\u003e\n\u003cp\u003eThis kit supplies everything required to complete the rear main seal cover replacement in one package. Having the cover, a redesigned seal, a fresh gasket, and the fasteners reduces the risk of missing parts mid-repair and helps ensure consistent sealing performance after installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUpdated seal design to improve leak resistance\u003c\/li\u003e\n  \u003cli\u003eNew gasket to replace the original compressed or damaged seal surface\u003c\/li\u003e\n  \u003cli\u003eInstallation hardware to restore correct clamping and alignment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the Dorman cover hold up under normal driving and service conditions?\u003c\/h3\u003e\n\u003cp\u003eThe cover is constructed from die-cast aluminum for durability and to maintain a stable sealing surface over time. Dorman subjects the part to testing procedures to verify fit and functionality, helping ensure the cover withstands typical engine heat cycles and vibration without premature failure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDie-cast aluminum resists warping and provides a consistent sealing face\u003c\/li\u003e\n  \u003cli\u003eValidated through quality testing for reliable service life\u003c\/li\u003e\n  \u003cli\u003eHardware and gasket replacement reduce leak-prone wear points\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I confirm this part fits my exact vehicle before buying?\u003c\/h3\u003e\n\u003cp\u003eUse the vehicle fitment tool on the product page to enter make, model, year, and trim so you can verify compatibility. Also check any fitment notes displayed (for example, the Amazon Confirmed Fit indicator) to review specific vehicle exceptions or installation details.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInput full vehicle details into the garage\/fitment tool\u003c\/li\u003e\n  \u003cli\u003eRead fitment notes or information icons for exceptions or special instructions\u003c\/li\u003e\n  \u003cli\u003eConsult vehicle service manual for removal and torque specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Dorman 635-518 rear main seal cover kit is aimed at DIY mechanics, professional technicians, and anyone replacing a leaking rear main seal who wants a complete replacement assembly that mirrors factory fit. It’s ideal for repairs where the original cover or gasket has failed, offering a single-purchase solution with the cover, upgraded seal, gasket, and fasteners to streamline installation and help prevent repeat leaks.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this kit include the rear main seal itself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit includes an updated rear main seal, a new gasket, and installation hardware for a complete replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Dorman 635-518 cover compatible with my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use the product fitment tool and check the fitment notes or Amazon Confirmed Fit indicator to ensure compatibility with your make and model.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":48079820685470,"sku":"B009ZBSBMO","price":79.67,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/dorman-rear-main-seal-cover-front-view.jpg?v=1785771696","url":"https:\/\/northtrailauto.ca\/products\/dorman-rear-main-seal-cover-kit-for-engines-635-518-die-cast-aluminum-gasket-hardware","provider":"North Trail Auto","version":"1.0","type":"link"}