{"product_id":"oil-pump-for-infiniti-i35-2002-2004-3-5l","title":"Oil Pump for Infiniti I35 (2002-2004) 3.5L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Flow Replacement Oil Pump for 2002-2004 Infiniti I35 (A33)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The replacement oil pump delivers consistent hydrodynamic lubrication across the critical journal bearings and valvetrain of the 2002-2004 Infiniti I35 to prevent oil starvation and maintain stable oil pressure throughout the rev range.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Infiniti I35 Oil Pressure Degradation\u003c\/h3\u003e\n\u003cp\u003eHigh-mileage \u003cstrong\u003eVQ35DE\u003c\/strong\u003e powerplants in the \u003cstrong\u003eA33\u003c\/strong\u003e chassis are prone to internal oil pump rotor wear and pressure relief valve scoring. Over extended thermal cycles, micro-abrasives score the aluminum pump housing and inner trochoid gear faces, causing internal blow-by and cavitation. This wear significantly lowers hot idle line pressure, starving variable valve timing sprockets and rod bearings, which ultimately triggers timing chain rattle, hydraulic lifter tick, and catastrophic bearing seizure under load.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered to exact OEM dimensional tolerances, this direct-fit oil pump assembly restores factory volumetric efficiency and cold-start pressurization. Precision-machined sintered steel drive gears resist cavitation and flank wear under high-RPM shearing stress. The housing incorporates an inspected, pre-set pressure relief valve spring to eliminate pressure spikes and ensure constant line flow across the primary oil galleries, backed by fresh elastomer sealing surfaces to eliminate front crank seal seepage.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 Oil Pump Assembly\u003c\/li\u003e\n  \u003cli\u003e1 O-Ring\u003c\/li\u003e\n  \u003cli\u003e1 Gasket\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;\"\u003e2002-2004 Infiniti I35\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;\"\u003eVQ35DE \/ A33\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;\"\u003e255 hp \/ 246 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;\"\u003eEA-266-41964, OP3035, 13510-31U10\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\u003e2002 Infiniti I35 3.5L V6 VQ35DE (A33)\u003c\/li\u003e\n  \u003cli\u003e2003 Infiniti I35 3.5L V6 VQ35DE (A33)\u003c\/li\u003e\n  \u003cli\u003e2004 Infiniti I35 3.5L V6 VQ35DE (A33)\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 A33 I35?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2002-2004 Infiniti I35 equipped with the \u003cstrong\u003eVQ35DE\u003c\/strong\u003e engine; it does not fit older 3.0L VQ30DE applications.\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to prime the oil pump prior to first startup?\u003c\/h4\u003e\n\u003cp\u003eYes, pre-packing the pump cavities with clean assembly lube or fresh engine oil is mandatory to generate immediate suction and prevent dry gear galling.\u003c\/p\u003e\n\n\u003ch3\u003eThe Infiniti Standard\u003c\/h3\u003e\n\u003cp\u003eBuilt to withstand high-output Japanese V6 demands, this oil pump matches strict OE hydrodynamic tolerances to protect your valvetrain and bottom end under hard acceleration.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":68058996834552,"sku":"DS-E5Z6NEN0S","price":83.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/oil-pump-for-infiniti-i35-2002-2004-3-5l-1.jpg?v=1794365698","url":"https:\/\/performancechiptuning.com\/products\/oil-pump-for-infiniti-i35-2002-2004-3-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}