{"product_id":"oil-pump-for-nissan-350z-2003-2006-3-5l","title":"Oil Pump for Nissan 350Z (2003-2006) 3.5L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eOEM-Grade Direct-Replacement Oil Pump for 2003-2006 Nissan 350Z (Z33)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Oil Pump replaces the worn factory oil delivery unit on the 2003-2006 350Z to restore critical hydrodynamic lubrication pressure and prevent rod bearing failure.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Nissan 350Z Oil Pressure Decay\u003c\/h3\u003e\n\u003cp\u003eFactory \u003cstrong\u003eVQ35DE\u003c\/strong\u003e oil pumps feature sintered powdered-metal drive gears and relief valve springs that degrade over heat cycles and sustained high-RPM operation. High-mileage \u003cstrong\u003eZ33\u003c\/strong\u003e engines frequently experience pressure relief piston galling, internal gear tooth micro-pitting, and housing wear. This degradation causes severe oil pressure drops at hot idle, hydrodynamic breakdown under load, and catastrophic rod bearing starvation.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis replacement assembly utilizes a high-density, precision-machined die-cast aluminum casing engineered to exact internal tolerances, reducing parasitic cavitation and blow-by past the gerotor face. Calibrated internal bypass springs ensure rigid hydraulic regulation across the full rev range up to factory redline. Shipped with a fresh front main crank seal and elastomeric sealing O-ring to prevent external seepage and oil aeration, this unit restores OEM volume delivery required to protect crankshaft journals and variable valve timing mechanisms.\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;\"\u003e2003-2006 Nissan 350Z\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;\"\u003e\n\u003cstrong\u003eVQ35DE\u003c\/strong\u003e \/ \u003cstrong\u003eZ33\u003c\/strong\u003e\n\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;\"\u003e287-300 hp \/ 260-274 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;\"\u003e\n\u003cstrong\u003eEA-266-41964\u003c\/strong\u003e, \u003cstrong\u003eOP3035\u003c\/strong\u003e, \u003cstrong\u003e13510-31U10\u003c\/strong\u003e\n\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 Nissan 350Z 3.5L V6 VQ35DE (Base, Enthusiast, Performance, Touring, Track)\u003c\/li\u003e\n  \u003cli\u003e2004 Nissan 350Z 3.5L V6 VQ35DE (Base, Enthusiast, Touring, Grand Touring, Track)\u003c\/li\u003e\n  \u003cli\u003e2005 Nissan 350Z 3.5L V6 VQ35DE (Base, Enthusiast, Touring, Grand Touring, 35th Anniversary, Track)\u003c\/li\u003e\n  \u003cli\u003e2006 Nissan 350Z 3.5L V6 VQ35DE (Base, Enthusiast, Touring, Grand Touring)\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 Z33 350Z?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2003-2006 Nissan 350Z equipped with the \u003cstrong\u003eVQ35DE\u003c\/strong\u003e engine. It does not fit 2007-2008 models equipped with the dual-intake VQ35HR engine.\u003c\/p\u003e\n\n\u003ch4\u003eIs pump pre-lubrication required before initial startup?\u003c\/h4\u003e\n\u003cp\u003eYes; pack or thoroughly coat the internal gears with clean engine assembly lube, manually prime the pump prior to timing cover reinstallation, and verify oil pressure via a mechanical gauge on first crank.\u003c\/p\u003e\n\n\u003ch3\u003eThe Nissan JDM Caliber\u003c\/h3\u003e\n\u003cp\u003eEngineered to handle sustained lateral loads and the high piston speeds inherent to the high-revving naturally aspirated VQ platform, this pump maintains precise oil film strength under severe operating conditions.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":68058920354040,"sku":"DS-EFS31U5NT","price":83.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/oil-pump-for-nissan-350z-2003-2006-3-5l-1.jpg?v=1794364686","url":"https:\/\/performancechiptuning.com\/fr\/products\/oil-pump-for-nissan-350z-2003-2006-3-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}