Cooling & Heating
Defender L663 Cooling & Heating Parts
Browse selected cooling-system parts for the modern Land Rover Defender L663, including water-pump and coolant-expansion components for specific engine applications.
What you will find in this category
Water Pumps
Replacement water-pump options for the Defender L663 5.0 V8 petrol where specified.
Expansion Tank Fittings
Coolant overflow and expansion-container bleed screws in selected finishes.
Engine-Specific Cooling
Components listed for a particular engine rather than the complete Defender L663 range.
Cooling-System Maintenance
Small replacement parts that can help address leaks, damage or worn original fittings.
Confirm the engine before ordering
Cooling layouts vary by engine and model year. Check the exact engine, part number, connection type and product description, especially where a component is listed only for the 5.0 V8 petrol or another specific powertrain.
Quality choices for the modern Defender
The current selection includes Proflow and Britpart products for verified Defender L663 cooling applications.
Looking for more Defender L663 information?
Visit our Defender L663 information guide for details covering Defender 90, 110, 130 and Hard Top models, engines, suspension systems, drivetrains and parts identification. Explore the Defender L663 information guide.
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Coolant Overflow Container Bleed Screw Blue Aluminium for NEW Defender
Britpart
£8.59 Inc. VAT£7.16 Ex. VATThis blue anodised aluminium coolant overflow container bleed screw is designed to fit most Range Rover models from 2010 onwards. Crafted for durability and a smart finish, it features a 21mm bleed screw size suitable for efficient radiator coolant...LR055301BLUE-6£8.59 Inc. VAT£7.16 Ex. VAT -
Coolant Overflow Container Bleed Screw Red Aluminium for NEW Defender
Britpart
£8.59 Inc. VAT£7.16 Ex. VATThis red anodised aluminium coolant overflow container bleed screw is designed to fit most Range Rover models from 2010 onwards. Crafted from durable aluminium, it features a 21mm bleed screw size, ensuring a secure and efficient fit. The vibrant red...LR055301RED-6£8.59 Inc. VAT£7.16 Ex. VAT -
NEW Defender 5.0 V8 Petrol Water Pump
PROFLOW
£98.99 Inc. VAT£82.49 Ex. VATA replacement OEM water coolant pump. EQUIVALENT TO LAND ROVER PART NUMBER(S): LR097165 SUITABLE FOR THE FOLLOWING LAND ROVER MODELS: NEW Defender, 2020>, 5.0 V8 petrol, 5.0 V8 petrolLR097165G-4£98.99 Inc. VAT£82.49 Ex. VAT