Cooling & Heating

Cooling & Heating

At JGS4x4, we understand that your Land Rover and 4x4 vehicles demand the highest quality parts to ensure they perform at their best, especially when tackling rugged terrains. Our extensive selection of Defender cooling and heating components is designed for those who value durability and reliability in their automotive maintenance. From robust radiators and high-efficiency intercoolers to premium heating elements, each part is crafted to meet OEM standards, ensuring perfect compatibility with your vehicle. Whether you’re an off-road enthusiast seeking to enhance your vehicle’s performance or a dedicated owner looking for reliable replacements, our parts promise exceptional heat management and comfort, even in the harshest conditions.

Our aftermarket upgrades not only improve the efficiency of your cooling and heating systems but also contribute to the overall safety and longevity of your vehicle. With features like corrosion-resistant materials and precision engineering, you can trust that our products will withstand the rigors of off-road adventures while maintaining optimal performance on and off the highway. Enhance your Land Rover's capabilities with parts that not only fit seamlessly but also elevate your driving experience, ensuring you stay cool under pressure and warm when it matters most.

At JGS4x4, we prioritise quality and customer satisfaction, providing you with automotive solutions that keep your 4x4 running smoothly, whether you’re navigating rocky paths or cruising through city streets. Explore our selection today and discover how our Defender cooling and heating components can transform your vehicle's performance, reliability, and overall driving experience. With JGS4x4, you’re not just purchasing parts; you’re investing in the future of your adventure-ready vehicle, ensuring every journey is as thrilling as the last..

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  • Hose Assembly from JGS4x4

    Air Filter to Dump Valve Hose on for Defender 300TDI| ESR3032

    Direct Replacement

    £79.29 Inc. VAT
    £66.07 Ex. VAT
    This Air Filter to Dump Valve Hose is designed specifically for the Defender with the 300TDI engine. It ensures optimal airflow and performance by connecting the air filter to the dump valve efficiently. Ideal for repairs or rebuilds, this hose assembly...
    ESR3032
    £79.29 Inc. VAT
    £66.07 Ex. VAT
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    £79.29 Inc. VAT
    £66.07 Ex. VAT
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  • Hose - ERR1729 from JGS4x4

    Air Cyclone Hose for Defender 200TDI | ERR1729

    Direct Replacement

    £45.89 Inc. VAT
    £38.24 Ex. VAT
    This Air Cyclone Hose is designed for use with the Defender 200TDI engine. It serves as the cyclone to air breather hose, essential for the oil separator system on naturally aspirated and 200TDI engines. Crafted to meet high standards, this hose ensures...
    ERR1729
    £45.89 Inc. VAT
    £38.24 Ex. VAT
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    £45.89 Inc. VAT
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  • Engine Cooling Radiator Assembly - PFI100041 from JGS4x4

    Radiator and Intercooler Assembly for Defender 300TDI | PFI100041

    Direct Replacement

    £297.39 Inc. VAT
    £247.82 Ex. VAT
    This Radiator and Intercooler Assembly is designed specifically for the Defender 300TDI engine. It plays a crucial role in maintaining optimal engine temperature by preventing overheating. If your radiator becomes blocked, leaks, or sustains damage, it...
    PFI100041
    £297.39 Inc. VAT
    £247.82 Ex. VAT
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    £297.39 Inc. VAT
    £247.82 Ex. VAT
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  • Defender/Discovery 1 Heater Hose from JGS4x4

    Heater Hose to Water Pump for Defender 4.0 V8 Petrol | PEH101530

    Direct Replacement

    £1.99 Inc. VAT
    £1.66 Ex. VAT
    This Heater Hose to Water Pump is designed for the Defender with a 4.0 V8 Petrol engine. It provides a reliable and flexible connection for coolant flow within the vehicle's cooling system. Over time, coolant hoses can degrade or split, leading to leaks;...
    PEH101530
    £1.99 Inc. VAT
    £1.66 Ex. VAT
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    £1.99 Inc. VAT
    £1.66 Ex. VAT
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  • Defender/Discovery 1 Engine Cooling Fan - ERR3380 from JGS4x4

    Fan Blades for Viscous Unit on Early for Defender 200TDI| ERR3380

    Direct Replacement

    £24.49 Inc. VAT
    £20.41 Ex. VAT
    This fan blade is designed for early Defender models equipped with the 200TDI engine. It plays a crucial role in the engine cooling system by helping to regulate temperature and prevent overheating. The fan blade works with the viscous coupling unit,...
    ERR3380
    £24.49 Inc. VAT
    £20.41 Ex. VAT
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    £24.49 Inc. VAT
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  • Defender/Discovery 1 Engine Coolant Water Pump Includes Gasket - STC4378 from JGS4x4

    Water Pump for V8 EFI Classic & Discovery 1995 on | STC4378

    Direct Replacement

    £38.69 Inc. VAT
    £32.24 Ex. VAT
    This Water Pump for V8 EFI engines is designed for Range Rover Classic and Discovery MA chassis onwards models. It includes a gasket to ensure a secure seal between components, preventing leaks and maintaining optimal engine cooling performance. Suitable...
    STC4378
    £38.69 Inc. VAT
    £32.24 Ex. VAT
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    £38.69 Inc. VAT
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  • Defender/Discovery 1 Coolant Thermostat With Seal - 88 Degrees from JGS4x4

    Coolant Thermostat With Seal 88 Degrees for Defender, Discovery | ERR3291F

    Direct Replacement

    £6.19 Inc. VAT
    £5.16 Ex. VAT
    This coolant thermostat with seal is designed for Defender and Discovery 1 models, ensuring optimal engine temperature regulation. It operates at 88 degrees, helping to maintain efficient coolant flow from the engine to the radiator. Over time,...
    ERR3291F
    £6.19 Inc. VAT
    £5.16 Ex. VAT
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    £6.19 Inc. VAT
    £5.16 Ex. VAT
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  • Defender/Discovery 1 Coolant Thermostat from JGS4x4

    Thermostat Housing for 300TDI for Defender, Discovery 1, Range Rover Classic| ERR3479

    Direct Replacement

    £88.79 Inc. VAT
    £73.99 Ex. VAT
    This Thermostat Housing is designed for 300TDI engines and fits Defender, Discovery 1, and Range Rover Classic models. It regulates the flow of coolant from the engine to the radiator, ensuring optimal engine temperature. Over time, thermostats can fail...
    ERR3479
    £88.79 Inc. VAT
    £73.99 Ex. VAT
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  • Defender Temperature Transmitter - PRC6663 from JGS4x4

    Coolant Temperature Transducer for Defender 2.5 Petrol, NA, Diesel | PRC6663

    Direct Replacement

    £13.69 Inc. VAT
    £11.41 Ex. VAT
    This Coolant Temperature Transducer is designed for Defender models from 1983 to 2006, compatible with 2.5 Petrol, 2.5 NA, and Diesel engines. It plays a crucial role by relaying temperature information to the engine management system, ensuring optimal...
    PRC6663
    £13.69 Inc. VAT
    £11.41 Ex. VAT
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  • Defender Radiator Upper Hose - ESR2125 from JGS4x4

    Top Radiator Hose for Defender 2.5 Petrol, Diesel, Turbo Diesel | ESR2125

    Direct Replacement

    £7.69 Inc. VAT
    £6.41 Ex. VAT
    This top radiator hose is designed for Defender models equipped with 2.5 Petrol, Diesel, and Turbo Diesel engines from 1983 to 1989. It serves as a flexible coolant pipe, typically made of durable rubber, that facilitates the flow of coolant throughout...
    ESR2125
    £7.69 Inc. VAT
    £6.41 Ex. VAT
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    £7.69 Inc. VAT
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  • Defender Puma Radiator Hose To Thermostat from JGS4x4

    Coolant Hose Radiator to Thermostat Hose Engine for 2.4 Defender Puma| PCH503290

    Direct Replacement

    £28.59 Inc. VAT
    £23.82 Ex. VAT
    This 2.4 coolant hose connects the radiator to the thermostat for the Defender Puma models from 2007 to 2016. Designed to ensure efficient coolant flow within the cooling system, this flexible rubber hose is essential for maintaining optimal engine...
    PCH503290
    £28.59 Inc. VAT
    £23.82 Ex. VAT
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    £28.59 Inc. VAT
    £23.82 Ex. VAT
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  • Defender 2.5 Petrol/2.5 Diesel Engine Coolant Water Pump from JGS4x4

    Water Pump-.2.5 Petrol & NA Diesel No Aircon. Non Viscous for Defender 90/110 2.5 Petrol/Diesel 1983 | STC637

    Direct Replacement

    £43.99 Inc. VAT
    £36.66 Ex. VAT
    This Water Pump 90-110.2.5 Petrol & NA Diesel No Aircon. Non Viscous is designed for Defender models with 2.5 petrol and naturally aspirated diesel engines from 1983 to 1989. It plays a crucial role in the cooling system by circulating coolant through...
    STC637
    £43.99 Inc. VAT
    £36.66 Ex. VAT
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    £43.99 Inc. 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.