{"product_id":"mercruiser-volvo-penta-7-4l-454-502-mag-mpi-lower-intake-manifold-used","title":"Mercruiser \/ Volvo Penta 7.4L 454 \/ 502 MAG MPI Lower Intake Manifold - Used","description":"Application: Used lower intake manifold for GM Big Block 7.4L (454) \/ 8.2L (502) marine engines with multi-port fuel injection — Mercruiser 454 MAG MPI, 502 MAG MPI, and Volvo Penta 7.4Gi \/ 7.4GSi \/ 8.2GSi. Cast aluminum, eight-runner design with upper-plenum mounting flange and standard BBC head bolt pattern.\n\nCondition: Used take-off, sold as-is with normal service wear, oxidation, and surface corrosion; not cleaned or pressure-tested.\n\nBuyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.","brand":"Mercruiser \/ Volvo Penta (GM Big Block)","offers":[{"title":"Default Title","offer_id":48365173244142,"sku":"YD-105-602","price":275.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7730\/4814\/files\/a9cb06ab-8dfc-442e-88f9-eef8591f69d4.jpg?v=1784723886","url":"https:\/\/yachtsanddiesels.com\/products\/mercruiser-volvo-penta-7-4l-454-502-mag-mpi-lower-intake-manifold-used","provider":"Yachts and Diesels","version":"1.0","type":"link"}