{"product_id":"performance-oil-pump-timing-chain-water-pump-kit-for-chevrolet-silverado-2500-1999-2004-6-0l","title":"Performance Oil Pump Timing Chain \u0026 Water Pump Kit for Chevrolet Silverado 2500 (1999-2004) 6.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Durability Oil Pump, Timing Chain \u0026amp; Water Pump Kit for 1999-2004 Chevrolet Silverado 2500 (GMT800)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Performance Oil Pump, Timing Chain \u0026amp; Water Pump Kit refreshes critical front-drive engine systems on the 1999-2004 Silverado 2500 to restore oil pressure stability, eliminate valvetrain timing slack, and guarantee consistent coolant flow.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Chevrolet Silverado 2500 Timing and Lubrication Vulnerabilities\u003c\/h3\u003e\n\u003cp\u003eHigh-mileage \u003cstrong\u003eGMT800\u003c\/strong\u003e trucks powered by the \u003cstrong\u003eVortec 6000 LQ4\u003c\/strong\u003e frequently face oil pressure loss due to internal gerotor housing wear and sticking pressure relief valves. Over extended heavy-load operation, the OEM link-belt timing chain stretches, introducing camshaft timing drift, degraded low-end torque, and erratic cam position readings. Simultaneously, factory water pump bearings and mechanical shaft seals degrade under severe heat cycles, resulting in coolant seepage and thermal runaway.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis front-engine overhaul assembly installs a precision-machined oil pump engineered to maintain rigid hydraulic gallery pressure across high-demand duty cycles. The direct-fit timing set includes a pre-stretched, heavy-duty timing chain with matching cam and crank sprockets to eradicate lash and sync timing events accurately. Matched with a high-flow mechanical water pump engineered with heavy-duty internal bearings and a complete front cover gasket package with crank seal, this kit eliminates front-cover leaks and cooling cavitation.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 Oil Pump\u003c\/li\u003e\n  \u003cli\u003e1 Timing Chain Kit (Chain, Camshaft Sprocket, Crankshaft Sprocket)\u003c\/li\u003e\n  \u003cli\u003e1 Timing Cover Gasket Set\u003c\/li\u003e\n  \u003cli\u003e1 Water Pump\u003c\/li\u003e\n  \u003cli\u003eAssorted Seals and O-Rings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e1999-2004 Chevrolet Silverado 2500\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eVortec 6000 LQ4 (6.0L V8) \/ GMT800\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e300 hp \/ 360 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1999-2004 Chevrolet Silverado 2500 Base (6.0L V8 Vortec LQ4)\u003c\/li\u003e\n  \u003cli\u003e1999-2004 Chevrolet Silverado 2500 LS (6.0L V8 Vortec LQ4)\u003c\/li\u003e\n  \u003cli\u003e1999-2004 Chevrolet Silverado 2500 LT (6.0L V8 Vortec LQ4)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the GMT800 Silverado 2500?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 1999-2004 Chevrolet Silverado 2500 equipped with the \u003cstrong\u003eVortec 6000 LQ4\u003c\/strong\u003e engine. \u003cstrong\u003eDoes not fit models equipped with the 8.1L Big Block or 6.6L Duramax Turbo-Diesel engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to prime the oil pump prior to first startup?\u003c\/h4\u003e\n\u003cp\u003eYes, manually packing or priming the replacement oil pump assembly with clean motor oil prior to timing cover reinstallation is necessary to prevent dry start damage and facilitate instantaneous oil pickup.\u003c\/p\u003e\n\n\u003ch3\u003eThe Chevrolet Silverado Heavy-Duty Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered for severe-duty commercial hauling and extreme towing demands, this component package restores factory timing integrity and critical lubrication to sustain long-term Gen III small-block operation.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67545419022584,"sku":"DS-EW2UDS4NO","price":194.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/performance-oil-pump-timing-chain-water-pump-kit-for-chevrolet-silverado-2500-1999-2004-6-0l-1.jpg?v=1790723569","url":"https:\/\/performancechiptuning.com\/es\/products\/performance-oil-pump-timing-chain-water-pump-kit-for-chevrolet-silverado-2500-1999-2004-6-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}