{"product_id":"oil-pump-for-infiniti-fx35-2003-2008-3-5l","title":"Oil Pump for Infiniti FX35 (2003-2008) 3.5L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Flow Replacement Oil Pump Kit for 2003-2008 Infiniti FX35 (S50)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The replacement oil pump restores critical lubrication pressure and oil volume across the internal journals on the 2003-2008 FX35 to prevent hydrodynamic bearing failure and engine seizure.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Infiniti FX35 Oil Pressure \u0026amp; Lubrication Breakdown\u003c\/h3\u003e\n\u003cp\u003eOn high-mileage \u003cstrong\u003eVQ35DE\u003c\/strong\u003e engines, factory oil pumps suffer from internal gerotor gear scoring, front main journal seal degradation, and pressure relief valve sticking due to severe thermal cycling. As mechanical clearances widen between the inner\/outer rotors and the housing, the factory unit fails to sustain hydraulic pressure at hot idle. This leads to starvation across the cylinder heads, cam phase lag, timing chain tensioner slack, and accelerated rod bearing degradation inside the \u003cstrong\u003eS50\u003c\/strong\u003e chassis engine bay.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eManufactured to strict OE volumetric standards, this replacement oil pump features precision-machined internal gears housed within a high-integrity, pressure-tested aluminum casing. Tight gear-to-body tolerances eliminate cavitation and pressure loss under sustained operating loads, ensuring constant oil delivery to the variable valve timing galleries. Direct-fit replacement for OEM part numbers \u003cstrong\u003eEA-266-41964\u003c\/strong\u003e, \u003cstrong\u003eOP3035\u003c\/strong\u003e, and \u003cstrong\u003e13510-31U10\u003c\/strong\u003e, supplied with a brand-new O-ring and gasket to guarantee leak-free front timing cover reassembly.\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 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;\"\u003e2003-2008 Infiniti FX35\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 \/ S50\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;\"\u003e280 hp \/ 270 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\u003eInfiniti FX35 3.5L V6 VQ35DE (2003-2008)\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 S50 FX35?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2003-2008 Infiniti FX35 equipped with the \u003cstrong\u003eVQ35DE\u003c\/strong\u003e engine.\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to prime the oil pump before initial startup?\u003c\/h4\u003e\n\u003cp\u003eYes, pre-priming the pump cavity with clean engine oil prior to timing cover installation is required to establish rapid hydraulic pickup and prevent dry pump cavitation.\u003c\/p\u003e\n\n\u003ch3\u003eThe Infiniti Performance Caliber\u003c\/h3\u003e\n\u003cp\u003eEngineered to handle the high-revving demands of the Japanese VQ platform, this oil pump delivers constant hydraulic integrity, stabilizing vital oil pressure across both street cruising and aggressive track-style driving.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":68058935755000,"sku":"DS-ELGVJH2YZ","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-fx35-2003-2008-3-5l-1.jpg?v=1794364921","url":"https:\/\/performancechiptuning.com\/fr\/products\/oil-pump-for-infiniti-fx35-2003-2008-3-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}