{"product_id":"pcm-modular-returnless-fuel-system-5-0-5-7l-ra080034a","title":"PCM Modular Returnless Fuel System – 5.0\/5.7L Closed Cooling | RA080034A","description":"\u003ch2\u003ePCM Modular Returnless Fuel System – 5.0\/5.7L Closed Cooling | RA080034A\u003c\/h2\u003e\u003cp\u003eA complete modular returnless fuel system assembly for PCM 5.0L and 5.7L closed-cooling inboard engines. The returnless design eliminates the fuel return line from the engine back to the tank, reducing heat soak in the fuel rail and simplifying the fuel circuit — a cleaner, more reliable setup than older return-style systems.\u003c\/p\u003e\u003cp\u003eThis is a high-value assembly that combines the fuel delivery components into a single serviceable module. Replacing the full assembly rather than individual components ensures all parts are matched, correctly calibrated, and free of wear — critical on a fuel system where a failure at sea is not an option.\u003c\/p\u003e\u003ch3\u003eBest Use Case\u003c\/h3\u003e\u003cp\u003eBest suited for restoring or rebuilding the fuel delivery system on PCM 5.0L and 5.7L closed-cooling inboard engines where the existing fuel system has failed, is leaking, or is no longer delivering consistent fuel pressure. Also the correct replacement when upgrading from a return-style fuel system to a returnless configuration on compatible engine builds. At this price point, this is a professional-grade repair typically performed by a certified marine technician.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eApplication: PCM 5.0L and 5.7L closed-cooling inboard engines\u003c\/li\u003e\n\u003cli\u003eSystem type: Modular returnless fuel delivery\u003c\/li\u003e\n\u003cli\u003ePart number: RA080034A\u003c\/li\u003e\n\u003cli\u003eIncludes: Complete modular fuel system assembly\u003c\/li\u003e\n\u003cli\u003eCooling system compatibility: Closed cooling (freshwater cooled)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003eConfirm your engine’s exact model, serial number, and cooling system configuration before ordering — PCM 5.0\/5.7L engines were produced in both raw-water and closed-cooling variants, and fuel system components are not interchangeable between them. This assembly (RA080034A) is paired in the PCM catalog with the \u003ca href=\"\/products\/crusader-fuel-water-separator-oem-part-ra080033\"\u003eCrusader Fuel\/Water Separator RA080033\u003c\/a\u003e — if you’re replacing the fuel system, inspect the separator at the same time. For closed-cooling system components, also see the \u003ca href=\"\/products\/pcm-thermostat-170-f-closed-cooling-r026007\"\u003ePCM Thermostat 170°F Closed Cooling R026007\u003c\/a\u003e. Installation should be performed by a qualified marine technician; fuel system work requires proper pressure testing and leak verification before returning the vessel to service.\u003c\/p\u003e","brand":"PCM","offers":[{"title":"Default Title","offer_id":43563969675300,"sku":"RA080034A","price":2353.11,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/19e2f693-a286-4591-97a5-6009ef49d9d8.png?v=1784571131","url":"https:\/\/marisolmarine.com\/products\/pcm-modular-returnless-fuel-system-5-0-5-7l-ra080034a","provider":"Marisol Marine Company","version":"1.0","type":"link"}