{"product_id":"performance-water-pump-thermostat-kit-for-land-rover-discovery-2017-2020-3-0l","title":"Performance Water Pump \u0026 Thermostat Kit for Land Rover Discovery (2017-2020) 3.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHeavy-Duty Cooling System Overhaul Kit for 2017-2020 Land Rover Discovery (L462)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Performance Water Pump \u0026amp; Thermostat Kit replaces brittle OEM plastic coolant routing lines and aged pump assemblies on the 2017-2020 Discovery to maintain steady operating temperatures and eliminate catastrophic coolant loss.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Land Rover Discovery Plastic Pipe Degradation\u003c\/h3\u003e\n\u003cp\u003eThe factory cooling architecture on the **L462** chassis equipped with the **AJ126** 3.0L supercharged V6 relies on molded two-piece plastic crossover pipes. Repeated heat cycling causes the bonded plastic seams to fatigue, warp, and split directly beneath the supercharger manifold. Compounding the issue, the OEM plastic bleeder plugs and quick-connect fittings become micro-fractured under standard 15-20 PSI operating pressures. Unchecked seepage often leads to sudden catastrophic fluid loss, head gasket failure, and warped aluminum cylinder heads.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis kit resolves OEM material vulnerabilities by substituting fragile composite lines with precision-machined aluminum coolant crossover pipes. Aluminum construction prevents heat-soak embrittlement and holds rigid structural integrity under extreme thermal load. Accompanied by heavy-duty copper bleed screws, reinforced thermostat outlet hoses, and a high-flow water pump, this package is designed to ensure reliable hydrodynamic circulation, mitigating hotspot development in the engine valley. The direct replacement thermostat with integrated temperature sensor ensures precise ECU thermal feedback without triggering check engine lights.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 Thermostat with Sensor\u003c\/li\u003e\n  \u003cli\u003e1 Aluminum Coolant Crossover Pipe Assembly\u003c\/li\u003e\n  \u003cli\u003e1 Water Pump\u003c\/li\u003e\n  \u003cli\u003e1 Thermostat Outlet Hose with Copper Fittings\u003c\/li\u003e\n  \u003cli\u003e1 Copper Bleeder Screw \/ Cross Over Plug\u003c\/li\u003e\n  \u003cli\u003e1 Heater Outlet Hose\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;\"\u003e2017-2020 Land Rover Discovery\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**AJ126** 3.0L Supercharged V6 \/ **L462**\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;\"\u003e340 hp \/ 332 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**AJ812119**, **AJ813909**, **C2D20660**, **LR090630**\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\u003e2017-2020 Land Rover Discovery 3.0L Supercharged V6 (**AJ126**)\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 L462 Discovery?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2017-2020 Land Rover Discovery equipped with the **AJ126** 3.0L supercharged engine. \u003cstrong\u003eDoes not fit naturally aspirated engine configurations.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eIs intake manifold removal required for installation?\u003c\/h4\u003e\n\u003cp\u003eYes, replacing the front and rear coolant crossover pipes requires unbolting and lifting the supercharger assembly to access the valley cooling ports.\u003c\/p\u003e\n\n\u003ch3\u003eThe Land Rover Caliber\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet stringent European cooling tolerances, this metal-upgraded kit prevents common fault codes and maintains peak thermal efficiency under continuous highway hauling and sustained off-road operation.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67545309970680,"sku":"DS-E2XDJ3DVC","price":246.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/performance-water-pump-thermostat-kit-for-land-rover-discovery-2017-2020-3-0l-1.jpg?v=1790721404","url":"https:\/\/performancechiptuning.com\/products\/performance-water-pump-thermostat-kit-for-land-rover-discovery-2017-2020-3-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}