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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  • Direct Replacement Radiator Expansion Bottle Cap for Discovery 1 V8, metal radiator cap with stamped warnings and specifications.

    Radiator Expansion Bottle Cap for Discovery 1 V8

    Direct Replacement

    £3.29 Inc. VAT
    £2.74 Ex. VAT
    A new replacement radiator expansion tank cap. This is the metal type, bayonet fitting cap, rated at 15lbs (15psi). A quality replacement part, equivalent to Land Rover part number: PCD100150 Also supercedes: GRC119, GRC110, RTC3609, 565540, PCD100150...
    PCD100150
    £3.29 Inc. VAT
    £2.74 Ex. VAT
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    £3.29 Inc. VAT
    £2.74 Ex. VAT
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  • O-Ring - RTC4826 from JGS4x4

    O Ring for Power Steering Hose for Defender, Discovery 1, Range Rover Classic | RTC4826

    Direct Replacement

    £0.69 Inc. VAT
    £0.57 Ex. VAT
    This O Ring for Power Steering Hose is designed to fit certain models including Defender, Discovery 1, and Range Rover Classic. It provides a reliable seal to prevent leaks in the power steering system, ensuring optimal performance and longevity. Ideal...
    RTC4826
    £0.69 Inc. VAT
    £0.57 Ex. VAT
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    £0.69 Inc. VAT
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  • Discovery 1 200 TDi Water Coolant Pump from JGS4x4

    00TDI Water Pump Will Fit for Range Rover 200TDI | RTC6395

    Direct Replacement

    £44.49 Inc. VAT
    £37.07 Ex. VAT
    This 00TDI Water Pump is designed for use with Range Rover models equipped with the 200TDI engine. It is suitable for vehicles up to chassis number LA081991. The water pump plays a crucial role in the cooling system by circulating coolant through the...
    RTC6395
    £44.49 Inc. VAT
    £37.07 Ex. VAT
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  • Direct Replacement Heater Matrix for Discovery 1 with Air Conditioning (1994-1998), image of a metallic car heater matrix with cooling fins and mounting points.

    Heater Matrix for Discovery 1 with Air Conditioning (1994-1998) | STC3135

    Direct Replacement

    £50.79 Inc. VAT
    £42.32 Ex. VAT
    Ensure reliable heating performance in your Land Rover Discovery 1 with this high-quality Heater Matrix. Designed as a direct replacement part, this heater matrix provides efficient heating and optimal climate control, ensuring your vehicle remains...
    STC3135
    £50.79 Inc. VAT
    £42.32 Ex. VAT
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    £50.79 Inc. VAT
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  • Discovery 1 Tdi Thermostat & Radiator Blue Aluminium Bleed Screw Plug from JGS4x4 Discovery 1 Tdi Thermostat & Radiator Blue Aluminium Bleed Screw Plug from JGS4x4

    Thermostat & Radiator Blue Aluminium Bleed Screw Plug for Discovery 1 300TDI | ERR4686BLUE-1

    Britpart

    £5.39 Inc. VAT
    £4.49 Ex. VAT
    This blue anodised aluminium bleed screw plug is designed for the thermostat housing and radiator bleed screw hole on Discovery 1 models with the 300TDI engine. It offers enhanced durability compared to the original black plastic plug and comes complete...
    ERR4686BLUE-1
    £5.39 Inc. VAT
    £4.49 Ex. VAT
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  • Direct Replacement Heater Matrix for Discovery 1 and Range Rover Classic, car heater component with metal fins and black foam edges. Direct Replacement Heater Matrix for Discovery 1 and Range Rover Classic, car heater component with metal fins and black foam edges.

    Heater Matrix for Discovery 1 and Range Rover Classic | STC250

    Direct Replacement

    £33.59 Inc. VAT
    £27.99 Ex. VAT
    Ensure reliable heating performance in your Land Rover Discovery 1 and Range Rover Classic with this high-quality Heater Matrix. Designed as a direct replacement part, this heater matrix provides efficient heating and optimal climate control, ensuring...
    STC250
    £33.59 Inc. VAT
    £27.99 Ex. VAT
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    £33.59 Inc. VAT
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  • Discovery 1/Range Rover Classic Fuel Filler Hose from JGS4x4

    Hose Fuel Filler to and from for Discovery 1 Range Rover Classic OEM | ESR2834

    OEM Parts

    £10.49 Inc. VAT
    £8.74 Ex. VAT
    This fuel filler hose is designed for Discovery 1 and Range Rover Classic models. It connects the fuel filler to the fuel tank, ensuring a secure and efficient fuel system. Suitable for various engine types used in these models, this hose is a reliable...
    ESR2834
    £10.49 Inc. VAT
    £8.74 Ex. VAT
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    £10.49 Inc. VAT
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  • ERR3291G - Defender/Discovery 1 Coolant Thermostat With Seal - 88 Degrees | Waxstat from JGS4x4

    Thermostat for Defender 300TDI 88 Degree Waxstat | ERR3291G

    Waxstat

    £17.69 Inc. VAT
    £14.74 Ex. VAT
    This thermostat is designed for Defender models equipped with the 300TDI engine, providing reliable coolant flow regulation at 88 degrees. It includes a seal to ensure a secure fit and prevent leaks. Over time, thermostats can fail to open or close...
    ERR3291G
    £17.69 Inc. VAT
    £14.74 Ex. VAT
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  • Defender/Discovery 1 Engine Cooling Radiator Bleed Screw Plug from JGS4x4

    Filler Plug Radiator Petrol V8 for Defender 90/110, Discovery 1, Range Rover Classic 300TDI and P38 | ERR4686

    Direct Replacement

    £1.99 Inc. VAT
    £1.66 Ex. VAT
    This Filler Plug Radiator 90/110 to TA976035 and P38 Petrol Classic and 109 V8 is designed for use with Defender, Discovery 1, and Range Rover models equipped with 300TDI and Petrol engines. It is an essential component for maintaining proper engine...
    ERR4686
    £1.99 Inc. VAT
    £1.66 Ex. VAT
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    £1.99 Inc. VAT
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  • Drive Belt - ERR5911G | Dayco from JGS4x4

    Dayco Fan Belt 300TDI With 49mm Alternator Pulley for Defender 90/110 Range Rover Classic Dayco | ERR5911G

    Dayco

    £10.59 Inc. VAT
    £8.82 Ex. VAT
    This Dayco Fan Belt ERR5911G is designed for use with 300TDI engines, suitable for Defender and Discovery 1 models. It fits engines from number 16L25165 and from TA163104, compatible with vehicles featuring a 49mm alternator pulley. The belt powers...
    ERR5911G
    £10.59 Inc. VAT
    £8.82 Ex. VAT
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  • Discovery 1 Power Steering Pump High Pressure Hose from JGS4x4

    Power Steering Hose From Reservoir to Pump 300TDI Models for Discovery 1 | ANR3133

    Direct Replacement

    £10.49 Inc. VAT
    £8.74 Ex. VAT
    This Power Steering Hose is designed for Discovery 1 models equipped with the 300TDI engine. It connects the power steering pump to the reservoir, ensuring efficient oil flow within the power steering system. Over time, hoses can degrade or split,...
    ANR3133
    £10.49 Inc. VAT
    £8.74 Ex. VAT
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    £10.49 Inc. VAT
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  • Discovery 1/Range Rover Classic Fuel Tank Breather Pipe from JGS4x4

    Breather Hose for Fuel Filler on for Discovery 1 and Range Rover Classic| ESR1056

    OEM Parts

    £15.79 Inc. VAT
    £13.16 Ex. VAT
    This breather hose for the fuel filler is designed specifically for Discovery 1 and Range Rover Classic petrol models. It ensures proper ventilation of the fuel tank, helping to maintain optimal fuel system performance. Manufactured by OEM Parts, this...
    ESR1056
    £15.79 Inc. VAT
    £13.16 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.