{"product_id":"single-cylinder-head-assembly-for-1996-2005-chevrolet-astro-4-3l-vortec-12557113","title":"Single Cylinder Head Assembly for 1996-2005 Chevrolet Astro 4.3L Vortec 12557113","description":"\u003cp\u003eReplace one compatible 4.3L Vortec V6 cylinder head with a new cast-iron assembly supplied with the valves and springs shown.\u003c\/p\u003e\u003ch2\u003eCompatibility and Application\u003c\/h2\u003e\u003cp\u003eFor compatible Chevrolet\/GMC 262-cubic-inch 4.3L Vortec V6 engines using casting reference 12557113, including 1996-2005 Chevrolet Astro applications when the original casting, intake pattern and rocker hardware match. The supplier broadly lists 1992-2014 automotive\/marine engines, but that range is not a guarantee for every model or engine revision. Confirm the eight-bolt Vortec intake design and 8 mm rocker studs; early non-Vortec and newer direct-injection engine designs are not assumed compatible.\u003c\/p\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIncludes 1 cylinder head assembly only, not a pair.\u003c\/li\u003e\n\u003cli\u003eCast-iron construction with installed valves and valve springs as pictured.\u003c\/li\u003e\n\u003cli\u003eEngine family: 4.3L 262 V6; Vortec-style intake configuration.\u003c\/li\u003e\n\u003cli\u003eRocker-arm stud size: 8 mm.\u003c\/li\u003e\n\u003cli\u003eCasting\/reference number: 12557113; supplier part UY6JC3.\u003c\/li\u003e\n\u003cli\u003eNew aftermarket replacement; gaskets, bolts and rocker arms are not included unless pictured.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompare the original part, dimensions and mounting points before ordering. Professional installation is recommended. Confirm combustion chamber, coolant passages, sensor provisions, valve-train hardware and intake mounting against the original head before installation. Marine installations also require verification of the specific engine cooling and exhaust arrangement.\u003c\/p\u003e","brand":"German Audio Tech","offers":[{"title":"Default Title","offer_id":71191447502961,"sku":"GAT-TAT-314950433020","price":464.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/7093\/files\/s-l1600_dd9dda0d-7768-438a-858b-83218e95dd1b.webp?v=1794710205","url":"https:\/\/www.germanaudiotech.com\/products\/single-cylinder-head-assembly-for-1996-2005-chevrolet-astro-4-3l-vortec-12557113","provider":"German Audio Tech","version":"1.0","type":"link"}