{"product_id":"aisin-wpt-803-engine-water-pump-with-gaskets-oem-fit-and-durability","title":"AISIN WPT-803 Engine Water Pump with Gaskets - OEM Fit and Durability","description":"\u003cp\u003eIn this review of the AISIN WPT-803 water pump, the bottom line is straightforward: it is aimed at owners and technicians who need a reliable OEM-quality replacement for select Lexus and Toyota 3.5L engines, and the single biggest reason to buy is the pump's engineered durability that addresses common failure modes. The reviewer found the pump arrives as an all-new unit with included gaskets and a design focused on smooth coolant flow, efficient rotor action, and robust sealing-features that make it a practical choice when a leaking or noisy pump needs a direct, long-lasting swap.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM pedigree:\u003c\/strong\u003e Built by the number one original equipment manufacturer of water pumps, offering fit and component quality intended to match factory replacements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced sealing:\u003c\/strong\u003e Carbon ceramic mechanical sealing and ball bearing design reduce the risk of early leakage and bearing failure for longer service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth coolant flow:\u003c\/strong\u003e Engineered coolant channels and efficient rotors promote consistent cooling performance across normal operating ranges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion resistance:\u003c\/strong\u003e Materials were selected to resist rust, corrosion, and coolant scaling that commonly shorten pump life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-new components:\u003c\/strong\u003e Supplied as a new unit with upgraded materials rather than a remanufactured part, and it ships with the necessary gasket(s) to simplify installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle compatibility:\u003c\/strong\u003e Compatible with select Lexus ES350, RX350, RX450h and multiple Toyota models, but fitment depends on engine year and variant so verification is advised.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis water pump is best for DIY mechanics, independent repair shops, and owners of compatible Lexus and Toyota models who want an OEM-level replacement without sourcing from a dealer. It suits vehicles experiencing coolant leakage at the pump, grinding or bearing noise, or those undergoing a timing-related service where replacing the pump is preventive maintenance.\u003c\/p\u003e\n\u003cp\u003eIt is not the right choice for cars outside the listed fitment range or for people who need an all-in-one cooling system overhaul kit; purchasers should verify engine-specific fitment with the vehicle fit checker before ordering. Buyers who prefer remanufactured or performance-modified pumps should look elsewhere.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOEM-level construction helps ensure a close fit and factory-like function.\u003c\/li\u003e\n\u003cli\u003eIncluded gaskets and seals simplify installation and reduce the risk of leaks after replacement.\u003c\/li\u003e\n\u003cli\u003eMaterials and sealing design offer improved resistance to rust, corrosion, and coolant scaling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatibility depends on engine and year; incorrect fitment is possible without careful verification.\u003c\/li\u003e\n\u003cli\u003eAs a direct replacement part, it does not add performance beyond restoring factory cooling capacity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAisin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eWPT-803\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003ctd\u003eWater pump with gaskets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eAll new components, not remanufactured\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSealing\u003c\/td\u003e\n\u003ctd\u003eCarbon ceramic mechanical seal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eSelect Lexus ES350, RX350, RX450h and Toyota Camry, Highlander, RAV4, Sienna, Venza (verify fitment)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe AISIN WPT-803 is a sensible, cost-effective choice for owners and shops needing an OEM-grade water pump replacement for compatible Lexus and Toyota models; its all-new construction, attention to sealing, and corrosion-resistant materials make it a dependable repair option and good value compared with dealer parts, provided you confirm exact engine fitment first.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this pump include gaskets?\u003c\/strong\u003e\u003cbr\u003eYes, the pump ships with the necessary gaskets and seals to support installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit my vehicle?\u003c\/strong\u003e\u003cbr\u003eIt fits select Lexus ES350, RX350, RX450h and many Toyota Camry, Highlander, RAV4, Sienna, and Venza model years, but buyers should verify engine-specific fitment using the fit checker before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a remanufactured unit?\u003c\/strong\u003e\u003cbr\u003eNo, the WPT-803 is made from all new components rather than being remanufactured.\u003c\/p\u003e","brand":"Aisin","offers":[{"title":"Default Title","offer_id":48186048119003,"sku":"B008EEZ8A6","price":103.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71ICRToCR2L._AC_SL1500.jpg?v=1769614757","url":"https:\/\/gearmusthave.com\/products\/aisin-wpt-803-engine-water-pump-with-gaskets-oem-fit-and-durability","provider":"GearMustHave","version":"1.0","type":"link"}