{"product_id":"infiniti-m45-4-5l-vin-a-4th-digit-4-5l-engine-2003-2004","title":"Infiniti M45 4.5L, VIN A, 4th digit 4.5L Engine (2003-2004)","description":"\u003ch1 class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eOEM 4.5L V8 Engine for 2003-2004 Infiniti M45 \u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eRestore your Infiniti M45's commanding V8 performance with our OEM 4.5L VK45DE engine. Designed specifically for 2003-2004 M45 models (4th VIN digit A), this premium V8 powerplant delivers the authoritative power and refined acceleration that defined Infiniti's flagship luxury sedan. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eEngine Specifications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"ds-scroll-area _1210dd7 c03cafe9\"\u003e\n\u003ctable height=\"210\" style=\"width: 61.4443%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: center; width: 38.6741%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"text-align: center; width: 61.1933%;\"\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center; width: 38.6741%;\"\u003eDisplacement\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 61.1933%;\"\u003e\u003cspan\u003e4.5L V8\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center; width: 38.6741%;\"\u003eEngine Code\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 61.1933%;\"\u003e\u003cspan\u003eVK45DE (VIN A)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center; width: 38.6741%;\"\u003eHorsepower\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 61.1933%;\"\u003e\u003cspan\u003e340 HP \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center; width: 38.6741%;\"\u003eTorque\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 61.1933%;\"\u003e\u003cspan\u003e333 lb-ft \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center; width: 38.6741%;\"\u003eFuel System\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 61.1933%;\"\u003e\u003cspan\u003eElectronic Multi-Port Fuel Injection\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center; width: 38.6741%;\"\u003eValvetrain\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 61.1933%;\"\u003e\u003cspan\u003eDOHC 32-Valve with CVTCS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center; width: 38.6741%;\"\u003eBlock Material\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 61.1933%;\"\u003e\u003cspan\u003eAluminum Block \u0026amp; Heads\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center; width: 38.6741%;\"\u003eEmissions\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 61.1933%;\"\u003e\u003cspan\u003eLEV Compliant\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n \u003c\/div\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eCompatibility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2003-2004 Infiniti M45 4th VIN Digit A.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003ePricing \u0026amp; Condition Options:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"ds-scroll-area _1210dd7 c03cafe9\"\u003e\n\u003ctable style=\"width: 84.3739%; height: 121px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003cth style=\"width: 25.078%; height: 19.5833px;\"\u003e\u003cstrong\u003eMileage Range\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"text-align: center; width: 17.1412%; height: 19.5833px;\"\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"text-align: center; width: 57.2353%; height: 19.5833px;\"\u003e\u003cstrong\u003eCondition \u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\u003ctd style=\"width: 25.078%; height: 39.1667px;\"\u003e\u003cspan\u003e\u003cstrong\u003e30K-60K Miles\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 17.1412%; height: 39.1667px;\"\u003e\u003cspan\u003e$ 1,911.00\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 57.2353%; height: 39.1667px;\"\u003e\u003cspan\u003eLow mileage, excellent compression, full service records\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 25.078%; height: 19.5833px;\"\u003e\u003cstrong\u003e60K-90K Miles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 17.1412%; height: 19.5833px;\"\u003e\u003cspan\u003e$ 1,534.00\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 57.2353%; height: 19.5833px;\"\u003e\u003cspan\u003eWell-maintained, strong performance, minimal wear\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 25.078%; height: 19.5833px;\"\u003e\u003cstrong\u003e90K-120K Miles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 17.1412%; height: 19.5833px;\"\u003e\u003cspan\u003e$ 1,106.30\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 57.2353%; height: 19.5833px;\"\u003e\u003cspan\u003eGood condition, includes updated timing components\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 25.078%; height: 19.5833px;\"\u003e\u003cspan\u003e\u003cstrong\u003e120K-150K Miles\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 17.1412%; height: 19.5833px;\"\u003e\u003cspan\u003e$ 754.00\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 57.2353%; height: 19.5833px;\"\u003e\u003cspan\u003eCost-effective solution for M45 V8 restoration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n \u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eKey Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003e\u003cstrong\u003eComplete Long Block Assembly:\u003c\/strong\u003e This complete engine assembly delivers all essential internal components block, crankshaft, pistons, cylinder head, and full valvetrain—ready for installation in your 2003-2004 Infiniti M45 4.5L application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSmooth \u0026amp; Reliable: \u003c\/span\u003e\u003c\/strong\u003eWe guarantee that the engine will not smoke, leak or sound. It will be a good smooth runner.\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eBacked by Warranty:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Backed by comprehensive warranty coverage across all assembly components, this engine delivers the confidence and protection you need for a dependable long-term installation.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eShipping Information:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eStandard shipping 5-7 business days \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eFast-track shipping is available for an additional charge\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eFrequently Asked Questions?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3 class=\"ds-markdown-paragraph\"\u003eQ: Is this engine compatible with the M45's 5-speed automatic transmission?\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eA:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Yes, this engine is specifically calibrated for the M45's 5-speed automatic transmission with manual shift mode and adaptive shift control.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ds-markdown-paragraph\"\u003eQ: What's the difference between the VK45DE and the VQ V6 engines?\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eA:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The VK45DE is a larger displacement V8 engine providing significantly more torque and horsepower while maintaining the smooth, refined character expected in a luxury flagship.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ds-markdown-paragraph\"\u003eQ: Will this engine work with all M45 trim levels?\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eA:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Yes, this engine is compatible with all 2003-2004 M45 models regardless of trim or option packages.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eReady to Order?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eSelect your desired mileage tier in the cart, then proceed to checkout. Our Infiniti engine specialists are available to confirm fitment for your specific vehicle and provide technical guidance throughout the V8 installation process.\u003c\/span\u003e\u003c\/p\u003e","brand":"Infiniti","offers":[{"title":"30K-60K miles","offer_id":45954340552961,"sku":null,"price":1911.0,"currency_code":"USD","in_stock":true},{"title":"60K-90K miles","offer_id":45954340585729,"sku":null,"price":1534.0,"currency_code":"USD","in_stock":true},{"title":"90K-120K miles","offer_id":45954340618497,"sku":null,"price":1106.3,"currency_code":"USD","in_stock":true},{"title":"120K-150K miles","offer_id":45954340651265,"sku":null,"price":754.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/7471\/7441\/files\/Buick_Lacrosse_3.8L_53400df3-a645-4622-93f2-995a5526e48b.jpg?v=1738172134","url":"https:\/\/www.bestuseautoparts.com\/products\/infiniti-m45-4-5l-vin-a-4th-digit-4-5l-engine-2003-2004","provider":"Best Use Auto Parts","version":"1.0","type":"link"}