Cooling & Heating
Discovery 3 Cooling & Heating Parts
Keep your Discovery 3 engine and cabin temperature systems working with radiators, water pumps, thermostats, hoses, fans and heater parts.
What you will find in this category
Radiators & Coolers
Engine radiators, transmission coolers, oil coolers and associated fittings.
Water Pumps & Thermostats
Replacement pumps, thermostat housings, gaskets and temperature-control parts.
Hoses & Pipework
Coolant, intercooler, heater and expansion-tank hoses, clips and connectors.
Fans, Sensors & Heating
Fan components, temperature sensors, heater parts and climate-system fittings.
Identify the engine and cooling layout
Cooling parts differ between 2.7 TDV6, 4.4 V8 and overseas 4.0 V6 vehicles. Check engine type, hose routing, connector sizes and model year.
Quality choices for your Discovery 3
Choose from Direct Replacement, Britpart, Proflow, OEM, Genuine Land Rover and established cooling-system manufacturers.
Looking for more Discovery 3 information?
Visit our Land Rover Discovery 3 information guide for model history, engine details, air-suspension systems, transmissions and useful parts-identification guidance. Explore the Land Rover Discovery 3 information guide.
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Throttle Housing Hose for Discovery 3 4.4 V8 Range Rover Sport
Genuine Land Rover
£14.11 Inc. VATThis Throttle Housing Hose is designed for vehicles equipped with the 4.4 V8 engine, including Discovery 3 and Range Rover Sport models. It connects essential components within the fuel system,...LR006161LR£14.11 Inc. VAT -
Crankcase Emission Hose for Discovery 3, Range Rover Sport 4.4 Petrol
Genuine Land Rover
£68.22 Inc. VATThis crankcase emission hose is designed for vehicles equipped with the AJ 4.4 Petrol V8 engine, including Discovery 3, Range Rover, and Range Rover Sport models. Manufactured by Genuine Land Rover,...LR005991LR£68.22 Inc. VAT -
Thermostat and Housing for Discovery 3, Range Rover Sport 4.4 V8 Petrol
Genuine Land Rover
£184.87 Inc. VATThis Thermostat and Housing is designed for vehicles equipped with the 4.4 V8 Petrol engine, including Discovery 3, Range Rover, and Range Rover Sport models. The thermostat plays a crucial role in...LR005631LR£184.87 Inc. VAT -
Heater Blower Motor for Discovery 3, Discovery 4, Range Rover Sport 2005-2013
Genuine Land Rover
£206.81 Inc. VATThis Heater Blower Motor is designed for cooling applications on Discovery 3, Discovery 4, Range Rover, and Range Rover Sport models from 2005 to 2013. Manufactured by Genuine Land Rover, it ensures...JGC500050LR£206.81 Inc. VAT -
Thermostat for Discovery 3, Range Rover Sport, Range Rover L322 4.2 & 4.4 AJ Petrol V8
Direct Replacement
£11.29 Inc. VATThis thermostat is designed for use with 4.2 and 4.4 AJ Petrol V8 engines in Discovery 3, Range Rover Sport, and Range Rover L322 models from 2005 to 2009. It regulates the flow of coolant between...LR005765G£11.29 Inc. VAT -
Thermostat Housing Gasket 37mm for Discovery 3, Range Rover Sport 4.2 & 4.4 V8
Direct Replacement
£1.99 Inc. VATThis Thermostat Housing Gasket 37mm is designed for use with Discovery 3 and Range Rover Sport models equipped with 4.2 and 4.4 V8 engines. It provides a reliable seal between thermostat housing...4413478£1.99 Inc. VAT -
Throttle Housing Hose for Discovery 3 and Range Rover Sport 4.4 V8
Direct Replacement
£8.89 Inc. VATThis Throttle Housing Hose is designed for use with the 4.4 V8 engine in Discovery 3 and Range Rover Sport models. It ensures a secure and efficient connection within the fuel system, maintaining...LR006161£8.89 Inc. VAT -
Water Pump for Discovery 3, Range Rover Sport, Range Rover L322 4.2 Supercharged 4.4 AJ V8 Petrol
Genuine Land Rover
£229.34 Inc. VATThis genuine Land Rover water pump is designed for 4.2 Supercharged and 4.4 AJ V8 petrol engines, compatible with Discovery 3, Range Rover, Range Rover Sport, and Range Rover L322 models. The water...4575902LR£229.34 Inc. VAT -
Intercooler To Inlet Silicone Hose for 2.7 TDV6 Discovery 3 & 4, Range Rover Sport
Britpart
£80.29 Inc. VATThis 2.7 TDV6 Intercooler To Inlet Silicone Hose offers a durable and high-performance upgrade for vehicles equipped with the 2.7 TDV6 engine. Made from silicone, this hose is stronger than standard...DA3183-1£80.29 Inc. VAT -
Aluminium Intercooler 2.7 TDV6 Supplied with Mounting Brackets & Fitting Guide for Discovery 3 & 4 / Range Rover Sport
Britpart
£858.29 Inc. VATThis aluminium intercooler is designed to enhance the performance of vehicles equipped with the 2.7 TDV6 engine. It efficiently cools the intake air after turbocharging, resulting in denser air with...DA4635£858.29 Inc. VAT