Genuine GM Parts 19434265 - 5.3L L83 Longblock, Remanufactured
(function() { try { const productName = "GM Genuine 5.3L L83 Long Block (Gen V)"; const productPrice = document.querySelector('.reg-price-val')?.innerText.replace(/[^0-9.]/g, '') || "0.00"; const productSku = "19434265"; const productImg = document.querySelector('meta[property="og:image"]')?.content || ""; const universalSchema = { "@context": "https://schema.org/", "@type": "Product", "name": productName, "image": productImg, "description": "Genuine GM 5.3L L83 (Gen V) service long block. Aluminum block with Direct Injection, AFM/DoD, and VVT. Factory replacement for 2014-2018 Silverado/Sierra 1500.", "sku": productSku, "mpn": productSku, "brand": { "@type": "Brand", "name": "GM Genuine Parts" }, "offers": { "@type": "Offer", "url": window.location.href, "priceCurrency": "USD", "price": productPrice, "availability": "https://schema.org/InStock" }, "additionalProperty": [ { "@type": "PropertyValue", "name": "RPO Code", "value": "L83" }, { "@type": "PropertyValue", "name": "Fuel Delivery", "value": "Direct Injection (DI)" }, { "@type": "PropertyValue", "name": "Cylinder Heads", "value": "Rectangular Port (Gen V)" }, { "@type": "PropertyValue", "name": "Block Material", "value": "Aluminum" } ] }; const script = document.createElement('script'); script.type = 'application/ld+json'; script.text = JSON.stringify(universalSchema); document.head.appendChild(script); console.log("SDPC L83 Long Block Schema Loaded"); } catch (e) { console.log("Schema error: ", e); } })(); Does not include intake, throttle body, or flywheel. As this is a service engine, you will have to transfer over existing sensors, harness, and balancer from your original L83. We recommend a new balancer bolt # 11547372. Technical Specifications: L83 5.3L Longblock (19435110) Brand Genuine GM Parts Horsepower 355 HP @ 5600 RPM Torque 383 lb-ft @ 4100 RPM Compression Ratio 11.1:1 Bore 3.780 in Stroke 3.622 in Displacement 5.3L Crankshaft Nodular Iron Block 319-T7 aluminum with 6-bolt, cross-bolted main caps Camshaft Type AFM Hydraulic Roller Cam Valve Lift (Intake/Exhaust) .502" / .494" Dur. @ 0.050" 193°/199° Cylinder Heads 319-T7 Aluminum L83 Rectangular Port Chamber Volume 57.6cc Valves 1.928"/1.556" GTIN 197224044764