Performance Water Pump & Thermostat Kit for Jaguar F-Type (2014-2021) 3.0L 5.0L

Heavy-Duty Water Pump & Thermostat Cooling Kit for 2014-2021 Jaguar F-Type (X152)

What it Does: The Performance Water Pump & Thermostat Kit replaces failure-prone factory cooling components on the 2014-2021 Jaguar F-Type to maintain optimal operating temperatures and eliminate catastrophic coolant loss under load.

The Stock Jaguar F-Type Cooling System Failure Point

Factory cooling assemblies on the X152 platform utilize composite, heat-welded plastic coolant crossover pipes and plastic thermostat housings routed deep within the engine valley beneath the supercharger. Continuous thermal cycling and exposure to 200°F+ pressurized coolant embrittles the factory seam welds. This brittle plastic inevitably cracks, leading to rapid coolant expulsion, thermal shock, and critical head gasket or warped deck failures common to supercharged AJ126 and AJ133 powerplants.

The Engineering Solution

This service kit addresses OEM failure modes by upgrading the critical coolant crossover pipes from seam-welded plastic to seamless, heat-treated aluminum construction. The high-flow mechanical water pump features upgraded internal shaft bearings and an improved dynamic seal designed to endure sustained high-RPM operation. Paired with a calibrated thermostat assembly featuring an integrated sensor, high-grade copper fittings, and a copper bleeder screw, this direct-fit solution withstands extreme heat soak and system overpressurization without fatigue.

What's Included

• 1 Thermostat with Sensor
• 1 Aluminum Coolant Crossover Pipe Assembly
• 1 High-Flow Water Pump
• 1 Thermostat Outlet Hose with Copper Fittings
• 1 Copper Bleeder Screw & Crossover Plug
• 1 Heater Outlet Hose

Technical Specifications

Compatibility

• 2014-2021 Jaguar F-Type 3.0L Supercharged V6 (Base, S)
• 2014-2021 Jaguar F-Type 5.0L Supercharged V8 (R, SVR, Project 7)

Frequently Asked Questions & Fitment Warnings

Does this fit the X152 F-Type?

Yes, this is a direct fit for the 2014-2021 Jaguar F-Type equipped with the AJ126 3.0L or AJ133 5.0L supercharged engines. Does not fit naturally aspirated engines or turbocharged inline-4 (Ingenium) configurations.

Do I need to vacuum-bleed the cooling system after installing this kit?

Yes, complete vacuum-assisted bleeding is mandatory during installation to clear air pockets from the engine valley and supercharger intercooler circuits to prevent hot spots.

The Jaguar Precision Standard

Engineered to meet stringent European performance tolerances, these upgraded components eliminate CEL-inducing thermal fluctuations while preserving the precise factory electronic cooling calibration.