{"product_id":"performance-oil-pump-timing-chain-water-pump-kit-for-chevrolet-ssr-2003-2004-5-3l","title":"Performance Oil Pump Timing Chain \u0026 Water Pump Kit for Chevrolet SSR (2003-2004) 5.3L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHeavy-Duty Oil Pump, Timing Chain \u0026amp; Water Pump Kit for 2003-2004 Chevrolet SSR (GMT368)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Performance Oil Pump, Timing Chain, and Water Pump Kit refreshes critical front-drive engine operations on the 2003-2004 SSR to maintain steady hydraulic oil pressure, reliable thermal regulation, and precise valvetrain timing.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Chevrolet SSR Valvetrain and Cooling Weakness\u003c\/h3\u003e\n\u003cp\u003eAging GM Gen III small blocks like the aluminum \u003cstrong\u003eLM4\u003c\/strong\u003e are susceptible to timing chain stretch over extended duty cycles, leading to slack, cam retard, and timing scatter at elevated engine speeds. Simultaneously, OEM oil pumps experience internal clearance wear and relief valve galling, culminating in low hot-idle oil pressure. Combined with factory water pump mechanical seal degradation and bearing play from continuous thermal cycling, front-drive failure risks sudden overheating and valvetrain starvation.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive front-end service overhaul kit replaces critical friction points with precision-matched components. The timing set incorporates hardened sprockets and a pre-stretched, heavy-duty chain engineered to prevent deflection under aggressive throttle transitions. The performance oil pump utilizes tighter internal gerotor tolerances to maintain stable oil flow through the lifter galleries, while the direct-replacement water pump features robust bearings and a high-durability internal seal designed to withstand sustained cooling system pressures.\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 and sprockets)\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: solid font-size: min-width:\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;\"\u003e2003-2004 Chevrolet SSR\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;\"\u003e5.3L LM4 Vortec V8 \/ GMT368\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 \/ 331 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\u003e2003 Chevrolet SSR Base 5.3L V8 OHV (LM4)\u003c\/li\u003e\n  \u003cli\u003e2004 Chevrolet SSR Base 5.3L V8 OHV (LM4)\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 GMT368 SSR?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2003-2004 Chevrolet SSR equipped with the \u003cstrong\u003eLM4\u003c\/strong\u003e 5.3L engine. \u003cstrong\u003eNote: This kit does not fit 2005-2006 Chevrolet SSR models equipped with the 6.0L LS2 V8.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eWhich oil pump pickup tube O-ring should be used during installation?\u003c\/h4\u003e\n\u003cp\u003eSelect the correct colored O-ring from the assorted set that precisely matches the thickness and recess groove of your factory oil pickup tube to prevent aeration.\u003c\/p\u003e\n\n\u003ch3\u003eThe Chevrolet Reliability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to preserve the powertrain integrity of your retro muscle truck, these components withstand sustained torque loads and severe heat cycles to keep your V8 running with factory-fresh oil pressure and cooling efficiency.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67545417449720,"sku":"DS-EXTNKE1P1","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-ssr-2003-2004-5-3l-1.jpg?v=1790723443","url":"https:\/\/performancechiptuning.com\/products\/performance-oil-pump-timing-chain-water-pump-kit-for-chevrolet-ssr-2003-2004-5-3l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}