Cooling & Heating

Cooling & Heating

Welcome to JGS4x4, your trusted partner for high-quality Land Rover and 4x4 vehicle parts and accessories, specializing in the Discovery 1's cooling and heating systems. Our extensive selection of durable, OEM-quality replacements and high-performance aftermarket upgrades is designed to enhance your vehicle's reliability, safety, and off-road capability. Each part we offer is meticulously crafted for compatibility with Discovery 1 models, ensuring a seamless fit and optimal functionality. Whether you’re looking to improve your vehicle's heating efficiency during chilly off-road adventures or boost cooling performance under extreme conditions, our parts are engineered to withstand the rigors of off-road driving while maintaining peak performance.

From robust radiators and thermostats to reliable heaters and hoses, every component is built to enhance your driving experience and extend the lifespan of your vehicle. Our offerings not only promise superior durability but also help in maintaining the integrity of your 4x4, providing peace of mind on the toughest terrains. With a focus on quality and performance, JGS4x4 ensures that each product meets the highest standards, making it easier for enthusiasts to find the perfect fit for their vehicle maintenance needs. Upgrade your Discovery 1 with our expertly sourced parts to ensure it can tackle any adventure you throw its way.

Discover the difference that quality automotive parts can make in your vehicle's performance, reliability, and safety. Explore our selection today and equip your Land Rover with the best in cooling and heating solutions, tailored specifically for the needs of dedicated 4x4 owners. Trust JGS4x4 for parts that not only meet but exceed expectations, ensuring your vehicle remains in peak condition for all your off-road escapades..

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  • Discovery 1/Range Rover Classic Front Brake Hose from JGS4x4

    Brake Hose Front 1979 on and for Discovery 1 for Range Rover Classic| NRC4401

    Direct Replacement

    £5.49 Inc. VAT
    £4.57 Ex. VAT
    This front brake hose is designed for use on Range Rover Classic models from 1971 to 1994 and Discovery 1 models from 1989 to 1998. It provides a flexible connection in the hydraulic braking system, allowing for suspension and steering movement while...
    NRC4401
    £5.49 Inc. VAT
    £4.57 Ex. VAT
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    £5.49 Inc. VAT
    £4.57 Ex. VAT
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  • Discovery 1/Range Rover Classic Drive Belt - ERC675 from JGS4x4

    Fan Belt for Discovery 1 Range Rover Classic 3.5 L V8 | ERC675

    Direct Replacement

    £1.99 Inc. VAT
    £1.66 Ex. VAT
    This fan belt is designed for use with the 3.5L V8 engines found in Discovery 1 and Range Rover Classic models. It powers essential components such as the water pump, alternator, power steering, and air conditioning. Over time, drive belts can crack,...
    ERC675
    £1.99 Inc. VAT
    £1.66 Ex. VAT
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    £1.99 Inc. VAT
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  • Discovery 1/Range Rover Classic 300Tdi Oil Separator Drain Hose from JGS4x4

    Engine Breather Oil Separator Drain Hose for Discovery 1 300TDI and Range Rover Classic | ERR4689

    Direct Replacement

    £9.19 Inc. VAT
    £7.66 Ex. VAT
    This Engine Breather Oil Separator Drain Hose is designed specifically for the 300TDI engines used in Discovery 1 and Range Rover Classic models. The hose plays a crucial role in allowing oil to flow efficiently around the engine, transmission, or...
    ERR4689
    £9.19 Inc. VAT
    £7.66 Ex. VAT
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  • Discovery 1/Range Rover Classic 300Tdi Lower Intercooler Hose from JGS4x4

    Lower Intercooler Hose for 300TDI Discovery 1 Range Rover Classic| ESR2913

    Direct Replacement

    £4.99 Inc. VAT
    £4.16 Ex. VAT
    This lower intercooler hose is designed for use with 300TDI engines in Discovery 1 and Range Rover models. It connects the intercooler to the pipe, ensuring efficient turbo performance by withstanding extreme heat and pressure. Over time, these hoses can...
    ESR2913
    £4.99 Inc. VAT
    £4.16 Ex. VAT
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  • ERR6191 - Discovery 1 Drive Belt | Dayco from JGS4x4

    Water Pump Belt for Discovery 1 3.9 V8 EFI Dayco | ERR6191

    Dayco

    £9.39 Inc. VAT
    £7.82 Ex. VAT
    This Water Pump Belt is designed specifically for the Discovery 1 with the 3.9 V8 EFI engine, covering model years 1989 to 1998. Manufactured by Dayco, it ensures reliable performance by driving essential components such as the water pump, alternator,...
    ERR6191
    £9.39 Inc. VAT
    £7.82 Ex. 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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  • 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
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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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  • Revotec B-LRD-TDI 15'' Electric Fan Kit for Discovery 1 200/300 TDi from JGS4x4

    Revotec B LRD TDI 15'' Electric Fan Kit for Discovery 1 200/300 TDI | BA3934-1

    Revotec

    £279.69 Inc. VAT
    £233.07 Ex. VAT
    The Revotec B LRD TDI 15'' Electric Fan Kit is designed for Discovery 1 models with 200TDi and 300TDi engines. This electronic fan conversion kit replaces the original viscous fan, reducing engine warm-up times for improved heater efficiency and better...
    BA3934-1
    £279.69 Inc. VAT
    £233.07 Ex. VAT
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  • Adaptor - ERR335 | Genuine Land Rover from JGS4x4

    Adaptor for Turbo Oil Drain Hose for Defender, Discovery 1, Range Rover Turbo, 200TDi, 300TDI Genuine Land Rover| ERR335LR

    Genuine Land Rover

    £42.59 Inc. VAT
    £35.49 Ex. VAT
    This adaptor is designed for the turbo oil drain hose on Defender, Discovery 1, and Range Rover models equipped with Turbo, 200TDi, and 300TDI engines. It ensures a secure and reliable connection for efficient oil drainage, helping maintain optimal...
    ERR335LR
    £42.59 Inc. VAT
    £35.49 Ex. VAT
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    £42.59 Inc. VAT
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  • Water Outlet Pipe - ERC2143 | OEM from JGS4x4

    Outlet to Inlet Manifold Pipe Coolant 3.5 Twin Carb for Defender, Discovery 1, Range Rover Classic OEM | ERC2143

    OEM Parts

    £43.49 Inc. VAT
    £36.24 Ex. VAT
    This Outlet to Inlet Manifold Pipe is designed for vehicles equipped with the 3.5 Twin Carb engine, compatible with Defender, Discovery 1, and Range Rover Classic models. Manufactured by OEM Parts, this pipe ensures reliable coolant flow between the...
    ERC2143
    £43.49 Inc. VAT
    £36.24 Ex. VAT
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    £43.49 Inc. VAT
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  • Water Outlet Elbow Gasket - ERR4935 from JGS4x4

    Coolant Outlet Elbow Gasket for Defender and Discovery 1 V8 Twin Carb | ERR4935

    Britpart

    £0.79 Inc. VAT
    £0.66 Ex. VAT
    This Coolant Outlet Elbow Gasket is designed specifically for V8 Twin Carb engines and fits Defender and Discovery 1 models. It creates a reliable seal between the inlet manifold and the outlet elbow, preventing coolant leaks and ensuring optimal engine...
    ERR4935
    £0.79 Inc. VAT
    £0.66 Ex. VAT
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    £0.79 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.