Cooling & Heating

Cooling & Heating

Land Rover Defender L663

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.

Ordering tip: Defender L663 specifications vary by engine, model year, wheelbase, trim level and factory equipment. Always check the complete individual product listing and part number before ordering.
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  • NEW Defender Coolant Overflow Container Bleed Screw Blue Aluminium - LR055301BLUE from JGS4x4 NEW Defender Coolant Overflow Container Bleed Screw Blue Aluminium - LR055301BLUE from JGS4x4

    Coolant Overflow Container Bleed Screw Blue Aluminium for NEW Defender

    Britpart

    £8.59 Inc. VAT
    £7.16 Ex. VAT
    This 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
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  • NEW Defender Coolant Overflow Container Bleed Screw Red Aluminium - LR055301RED from JGS4x4 NEW Defender Coolant Overflow Container Bleed Screw Red Aluminium - LR055301RED from JGS4x4

    Coolant Overflow Container Bleed Screw Red Aluminium for NEW Defender

    Britpart

    £8.59 Inc. VAT
    £7.16 Ex. VAT
    This 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
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    £8.59 Inc. VAT
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  • NEW Defender 5.0 V8 Petrol Water Pump from JGS4x4

    NEW Defender 5.0 V8 Petrol Water Pump

    PROFLOW

    £98.99 Inc. VAT
    £82.49 Ex. VAT
    A 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 petrol
    LR097165G-4
    £98.99 Inc. VAT
    £82.49 Ex. VAT
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JGS4x4 is an independent supplier of parts and accessories. We are not affiliated with or endorsed by Jaguar Land Rover Limited. All references to vehicle models are used for identification and compatibility purposes only.