Performance Water Pump & Thermostat Kit for Jaguar F-Pace (2017-2020) 3.0L

Heavy-Duty Performance Water Pump & Thermostat Kit for 2017-2020 Jaguar F-Pace (X761)

What it Does: The Performance Water Pump & Thermostat Kit replaces failure-prone factory cooling components on the 2017-2020 Jaguar F-Pace to prevent coolant loss, stabilize operating temperatures, and eliminate catastrophic overheating risks under load.

The Stock Jaguar F-Pace Cooling System Weakness

The factory cooling assembly on the AJ126 supercharged V6 relies heavily on molded plastic crossover pipes and polymer thermostat housings. Subjected to sustained heat cycles, pressure spikes, and supercharger-induced thermal stress within the tight X761 engine bay, these OEM plastic components degrade rapidly. The seams become brittle, leading to micro-fractures, coolant weeping, and sudden structural blowouts that cause immediate loss of coolant pressure, cylinder head warping, and potential engine seizure.

The Engineering Solution

This upgraded service kit eliminates brittle composite plastic failure points by integrating robust aluminum crossover pipes engineered to endure severe heat cycling and elevated line pressures. Combined with a precision-machined mechanical water pump for consistent coolant flow, a high-durability thermostat with pre-installed sensor, and upgraded hoses featuring copper fittings and bleeder hardware, this kit stabilizes thermodynamic equilibrium without degrading over time. Replaces factory components matching OEM part numbers AJ812119, AJ813909, C2D20660, and LR090630.

What's Included

• 1 Thermostat with Integrated Sensor
• 1 Aluminum Coolant Crossover Pipe Assembly
• 1 Mechanical Water Pump
• 1 Thermostat Outlet Hose with Copper Fittings
• 1 Copper Bleeder Screw and Crossover Plug
• 1 Heater Outlet Hose

Technical Specifications

Compatibility

• 2017-2020 Jaguar F-Pace 35t (3.0L Supercharged V6)
• 2017-2020 Jaguar F-Pace S (3.0L Supercharged V6)
• Select applications powered by the AJ126 3.0L Supercharged V6 and AJ133 5.0L Supercharged V8

Frequently Asked Questions & Fitment Warnings

Does this fit the X761 F-Pace?

Yes, this is a direct fit for the 2017-2020 Jaguar F-Pace equipped with the AJ126 3.0L supercharged V6 engine. This kit does not fit naturally aspirated engines.

Is a full cooling system bleed required after installing this kit?

Yes, vacuum-filling and bleeding the cooling system via the included copper bleeder screw is mandatory to prevent air pockets across the supercharger intercooler loop and engine block.

The Jaguar Precision Standard

Precision-engineered to strict European performance tolerances, this kit maintains factory thermal management characteristics and sensor communication to ensure zero check engine lights while providing critical cooling system longevity.