{"product_id":"cylinder-head-gasket-1980-1995-chevrolet-gmc-7-4l","title":"DNJ Cylinder Head Gasket 1980-1995 Chevrolet, GMC 7.4L","description":"\u003cdiv class=\"po-desc\" data-gen=\"v2\"\u003e\n\u003cp\u003eDNJ Cylinder Head Gasket for the 1980–1995 Chevrolet and GMC with the 7.4L engine. Head gasket jobs take the top of the engine apart, which is why most people replace the related gaskets and bolts at the same time. Part number: HG3111.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMade for VIN S 16V OHV engines\u003c\/li\u003e\n\u003cli\u003eListed for V8 7.4L 454 OHV 16V engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e DNJ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart type:\u003c\/strong\u003e Head gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HG3111\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e 7.4L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine code:\u003c\/strong\u003e VIN S 16V OHV\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment for the 1980–1995 Chevrolet and GMC\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYears:\u003c\/strong\u003e 1980–1995\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicles:\u003c\/strong\u003e GM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinders:\u003c\/strong\u003e V8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplacement:\u003c\/strong\u003e 7.4L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e 454 OHV 16V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCheck your year, model, engine and trim against this list before you order.\u003c\/p\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cp\u003eA failed head gasket can mix coolant and oil, push coolant out of the system or cause overheating, so it is a job worth doing once and doing right. Using the correct part for your exact engine keeps oil pressure, sealing and timing where the engine was designed to run, and doing related parts at the same time saves taking it apart twice.\u003c\/p\u003e\n\u003ch3\u003eInstallation \u0026amp; tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMost head gaskets call for new head bolts and a flat, clean deck surface. Check the head and block before you reassemble.\u003c\/li\u003e\n\u003cli\u003eHead bolts: Many engines use torque-to-yield head bolts that should not be reused.\u003c\/li\u003e\n\u003cli\u003eCoolant: Refill with the coolant type your engine calls for.\u003c\/li\u003e\n\u003cli\u003ePut the new part next to the old one and compare the shape, mounting points and connections before you install it.\u003c\/li\u003e\n\u003cli\u003eWork on a cool engine with the vehicle secured, and use a service manual for your vehicle for torque specs and procedures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the part number of this cylinder head gasket?\u003c\/strong\u003e\u003cbr\u003eHG3111 (DNJ). Compare it with the number on your old part or in your parts catalog.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich engine is it for?\u003c\/strong\u003e\u003cbr\u003eIt is listed for the 7.4L VIN S 16V OHV engine in the 1980–1995 Chevrolet and GMC. Check the engine code on your vehicle if it was offered with more than one engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003cbr\u003eMany owners do this job at home with basic tools and a service manual for their vehicle. If you are not sure, have it fitted by a qualified mechanic.\u003c\/p\u003e\n\u003ch3\u003eBefore you order\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm your year, make, model, engine and trim match the fitment listed above (1980–1995 Chevrolet and GMC 7.4L).\u003c\/li\u003e\n\u003cli\u003eCompare part number HG3111 with your original part.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGood to know\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"DNJ","offers":[{"title":"Default Title","offer_id":67735665312058,"sku":"HG3111","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1025\/8245\/2538\/files\/engine-cylinder-head-gasket-1980-1995-chevrolet-gmc-c10-c10-suburban-c1500-v8-7-4l-hg3111.jpg?v=1792445676","url":"https:\/\/partotter.com\/products\/cylinder-head-gasket-1980-1995-chevrolet-gmc-7-4l","provider":"PartOtter","version":"1.0","type":"link"}